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1.
Головнев, Николай Николаевич
.
Строение гидратов комплексов металлов с барбитуровыми кислотами / Николай Николаевич Головнев, М. С. Молокеев, M. K. Лесников> // Журн. СФУ. Химия. - 2017. -
Т. 10
,
№ 3
. - С. 401-415 ; J. Sib. Fed. Univ. Chem.,
DOI
10.17516/1998-2836-0036. - Библиогр.: 20. - Работа выполнена в рамках государственного задания Минобрнауки РФ Сибирскому федеральному университету в 2017-2019 гг. (4.7666.2017/БЧ). . - ISSN 1998-2836. - ISSN 2313-6049
Перевод заглавия:
Structure of hydrates of metal
complexes
with barbituric acids
Кл.слова (ненормированные):
барбитуровые кислоты
--
ионы металлов
--
комплексы
--
гидраты
--
структура
--
barbituric acids
--
metal ions
--
complexes
--
hydrates
--
structure
Аннотация:
Обобщены данные о синтезе и структуре комплексов металлов с барбитуровой (H2ba), тиобарбитуровой (H2tba) и 1,3-диэтил-2-тиобарбитуровой (HDetba) кислотами, в состав которых входит различное количество координированных молекул воды. В зависимости от условий из водного раствора кристаллизуются соединения состава [M(H2O)n−kLm]0∙pH2O (Mm+ – ион металла; L− = Hba−, Htba− и Detba−; k≥0, p≥0). Образование нейтральных комплексов [M(H2O)n−kLm]0∙pH2O, содержащих разное количество координированных молекул воды (n−k), имеет место в случае лигандов L− с потенциально разной дентатностью и/или с мостиковым способом координации. Кристаллизация нескольких гидратов [M(H2O)n−kLm]0∙pH2O также ожидается, если в них молекулы воды могут быть как концевыми, так и мостиковыми лигандами, а центральные ионы, например, щелочноземельных металлов, легко образуют разные координационные полиэдры. Синтез новых гидратов может существенно расширить круг доступных соединений, в том числе и с потенциально полезными функциональными свойствами.
Data on the synthesis and structure of metal
complexes
with barbituric (H2ba), thiobarbituric (H2tba) and 1,3-diethyl-2-thiobarbituric (HDetba) acids, which include a different number of coordinated water molecules, are summarized. Depending on the conditions, compounds of the composition [M(H2O)n−kLm]0∙pH2O (Mm+ – metal ion; L− = Hba−, Htba− и Detba−; k≥0, p≥0) crystallize from the aqueous solution. The formation of neutral
complexes
of [M(H2O)n−kLm]0∙pH2O containing different amounts of coordinated water molecules (n-k) occurs in the case of L− ligands with potentially different dentateness and/or bridging coordination. Crystallization of several hydrates [M(H2O)n−kLm]0∙pH2O is also expected if water molecules can be both terminal and bridged ligands in them, and central ions, for example, of alkaline earth metals, easily form different coordination polyhedra. Synthesis of new hydrates can significantly expand the range of available compounds, including potentially useful functional properties.
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Держатели документа:
Сибирский федеральный университет
Институт физики им. Л.В. Киренского, ФИЦ КНЦ СО РАН Россия
Доп.точки доступа:
Молокеев, Максим Сергеевич; Molokeev, M. S.; Лесников, Максим Кириллович; Lesnikov M. K.; Golovnev N. N.
}
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2.
Синтез алкинильных комплексов
циклопентадиенилдикарконил железа в условиях реакций pd/cu-катализируемого m-c сочетания / В. В. Верпекин [и др.]> //
Полифункциональные химические материалы и технологии : матер. междунар. науч. конф. : в 2-х т. - 2019. -
Т. 1
. - С. 174-175. - Исследование выполнено за счет гранта Российского научного фонда (проект № 18-73-00150) . - ISBN 978-5-6042143-9-8
Перевод заглавия:
Synthesis of iron cyclopentadienyldicarbonyl alkynyl
complexes
in conditions of pd/cu-catalyzed m-c cross-coupling reactions
Аннотация:
Reactions between cyclopentadienyliron dicarbonyl iodide and terminal alkynes containing such substituents as ortho-, meta-, para-pyrydyl, 2-thiophenyl, 2,1,3-benzothiadiazole in condition of Pd/Cu-catalyzed cross-coupling are studied. New synthetic methods for о-alkynyl iron
complexes
are developed.
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,
РИНЦ
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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН
Доп.точки доступа:
Верпекин, Виктор Васильевич; Васильев, Александр Дмитриевич; Vasiliev, A. D.; Павленко, Нина Ивановна; Семейкин, О. В.; Крейндлин, А. З.; Полифункциональные химические материалы и технологии(2019 ; май. ; 22-25 ; Томск); Томский государственный университет
}
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3.
Реакции фенилацетиленидных комплексов
золота (i) и фенилвинилиденов марганца и рения / В. В. Верпекин [и др.]> //
Полифункциональные химические материалы и технологии : матер. междунар. науч. конф. : в 2-х т. - 2019. -
Т. 1
. - С. 172-173. - Исследование выполнено при финансовой поддержке Российского фонда фундаментальных исследований, Правительства Красноярского края, Красноярского краевого фонда науки в рамках научного проекта «Новые соединения на основе золота и благородных металлов: синтез, физико-химические свойства, каталитическая способность» (грант №18-43-240010) . - ISBN 978-5-6042143-9-8
Перевод заглавия:
Reactions of gold (i) phenylacetylide
complexes
with manganese and rhenium phenylvinyidene
complexes
Аннотация:
A reactivity of gold phenylacetylides (L)Au-C=C-Ph (L = SMe2, C4H8S, C5H5N) towards the vinylidene
complexes
of rhenium and manganese containing a metallaallene system M=C=C are studied for the first time.
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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН
Доп.точки доступа:
Верпекин, Виктор Васильевич; Васильев, Александр Дмитриевич; Vasiliev, A. D.; Павленко, Нина Ивановна; Зимонин, Дмитрий Валерьевич; Бурмакина, Галина Вениаминовна; Полифункциональные химические материалы и технологии(2019 ; май. ; 22-25 ; Томск); Томский государственный университет
}
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4.
Using Redox-Active pi
Bridging Ligand as a Control Switch of Intramolecular Magnetic Interactions / X. Z. Ma [et al.]> // J. Am. Chem. Soc. - 2019. -
Vol. 141
,
Is. 19
. - P. 7721-7725,
DOI
10.1021/jacs.9b03044. - Cited References: 38. - This work was supported by the ANR (ANR-16-CE29-0001-01, Active-Magnet project), the University of Bordeaux, the Region Nouvelle Aquitaine, the CNRS, the MOLSPIN COST action CA15128 and the Chinese Scholarship Council (CSC) for the PhD funding of X.M. E.A.S. thanks EPSRC for support (EP/N006895/1), the IRIDIS High Performance Computing Facility and associated services at the University of Southampton and RSC for travel grant. The authors thank also S. De, D. Woodruff, P. Perlepe, I. Oyarzabal, and S. Exiga for their assistance and fruitful discussions as well as the GdR MCM-2. . - ISSN 0002-7863
РУБ
Chemistry, Multidisciplinary
Рубрики:
GROUND-STATE
COMPLEXES
Аннотация:
Intramolecular magnetic interactions in the dinuclear
complexes
[(tpy)Ni(tphz)Ni(tpy)]n+ (n = 4, 3, and 2; tpy, terpyridine; tphz, tetrapyridophenazine) were tailored by changing the oxidation state of the pyrazine-based bridging ligand. While its neutral form mediates a weak antiferromagnetic (AF) coupling between the two S = 1 Ni(II), its reduced form, tphz•–, promotes a remarkably large ferromagnetic exchange of +214(5) K with Ni(II) spins. Reducing twice the bridging ligand affords weak Ni–Ni interactions, in marked contrast to the Co(II) analogue. Those experimental results, supported by a careful examination of the involved orbitals, provide a clear understanding of the factors which govern strength and sign of the magnetic exchange through an aromatic bridging ligand, a prerequisite for the rational design of strongly coupled molecular systems and high TC molecule-based magnets.
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Держатели документа:
CNRS, CRPP, UMR 5031, F-33600 Pessac, France.
Univ Bordeaux, CRPP, UMR 5031, F-33600 Pessac, France.
Univ Bath, CSCT, Claverton Down, Bath BA2 7AY, Avon, England.
ESRF, CS 40220, F-38043 Grenoble 9, France.
Доп.точки доступа:
Ma, Xiaozhou; Suturina, Elizaveta A.; Rouzieres, Mathieu; Platunov, M. S.; Платунов, Михаил Сергеевич; Wilhelm, Fabrice; Rogalev, Andrei; Clerac, Rodolphe; Dechambenoit, Pierre; ANRFrench National Research Agency (ANR) [ANR-16-CE29-0001-01]; University of Bordeaux; Region Nouvelle Aquitaine; CNRSCentre National de la Recherche Scientifique (CNRS); MOLSPIN COST actionEuropean Cooperation in Science and Technology (COST) [CA15128]; Chinese Scholarship Council (CSC)China Scholarship Council; EPSRCEngineering & Physical Sciences Research Council (EPSRC) [EP/N006895/1]; IRIDIS High Performance Computing Facility; University of Southampton; RSC
}
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5.
Two novel mixed-ligand
Ni(II) and Co(II)
complexes
with 1,10-phenanthroline: Synthesis, structural characterization, and thermal stability / N. N. Golovnev [et al.]> // Chem. Phys. Lett. - 2018. -
Vol. 708
. - P. 11-16,
DOI
10.1016/j.cplett.2018.07.058. - Cited References: 29. - The study was carried out within the public task of the Ministry of Education and Science of the Russian Federation to the Siberian Federal University (4.7666.2017/BP) in 2017-2019. X-ray data from single crystals were obtained with use the analytical equipment of Baikal Center of collective use of SB RAS and with use the analytical equipment of Krasnoyarsk Center of collective use of SB RAS. . - ISSN 0009-2614
Перевод заглавия:
Два новых комплекса смешанных лигандов Ni (II) и Co (II) с 1,10-фенантролином: синтез, структурная характеризация и термическая стабильность
Кл.слова (ненормированные):
Barbituric acid
--
1,10-Phenanthroline
complexes
--
X-ray diffraction
--
Thermal decomposition
--
Infrared spectroscopy
Аннотация:
Two nickel(II) and cobalt(II)
complexes
with phenanthroline, [Ni(Phen)(H2O)3Br]Br (1) and [Co(Phen)2(H2O)2](Hba)2·2H2O (2), Phen = 1,10-phenanthroline and Hba− = barbiturate anion, were synthesized and characterized by powder XRD, TGA and FT-IR. Their structures were determined by single crystal X-ray diffraction techniques. The Ni2+ ion is coordinated by two N atoms of Phen molecule, Br− ion and three H2O molecules forming an octahedron. Uncoordinated and coordinated Br− ions are connected with water molecules by OH⋯Br intermolecular hydrogen bonds with the formation of a 2D plane network which is extended into a 3D network by π−π stacking interactions. The [Co(Phen)2(H2O)2]2+ cation contains a six-coordinated cobalt atom chelated by two Phen ligands and two aqua ligands in the cis arrangement. NH⋯O, OH⋯O and CH⋯O intermolecular hydrogen bonds form a 3D net. NH⋯O hydrogen bonds form the infinite chains of Hba–. In addition, coordinated Phen molecules and lattice water molecules are linked via CH⋯OW hydrogen bonds to form infinite zigzag chains. These different chains are connected by OWH⋯O hydrogen bonds. π−π interaction plays an important role in the stabilization of structures 1–2. FT-IR, TGA, the diffuse reflectance, and UV–Vis spectra were also used to characterize these compounds.
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Держатели документа:
Siberian Federal University, 79 Svobodny Ave., Krasnoyarsk, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, bld. 38 Akademgorodok 50, Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, 47 Seryshev Str., Khabarovsk, Russian Federation
Favorsky Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky, Irkutsk, Russian Federation
Доп.точки доступа:
Golovnev, N. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Sterkhova, I. V.; Lesnikov, M. K.
}
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6.
Two new Cu(II)
and Ni(II) 1,10-phenanthroline
complexes
with anions of barbituric acids in the outer sphere: Synthesis, structure, spectroscopic, magnetic and thermal properties / N. N. Golovnev, M. S. Molokeev, I. V. Sterkhova [et al.]> // J. Mol. Struct. - 2020. -
Vol. 1219
. - Ст. 128526,
DOI
10.1016/j.molstruc.2020.128526. - Cited References: 40. - The study was funded by RFBR according to the research project № 19-52-80003 . X-ray data from single crystals were obtained with use the analytical equipment of Baikal Center of collective use of SB RAS and powder pattern were obtained with use the analytical equipment of Krasnoyarsk Center of collective use of SB RAS . - ISSN 0022-2860
Перевод заглавия:
Два новых комплекса 1,10-фенантролина Cu (II) и Ni (II) с анионами барбитуровой кислоты во внешней сфере: синтез, структура, спектроскопические, магнитные и термические свойства
Кл.слова (ненормированные):
Barbituric acids
--
Phenanthroline
complexes
--
X-ray diffraction
--
Thermal
--
Spectroscopic and magnetic properties
Аннотация:
Two new
complexes
[Cu(Phen)2(H2O)](Hba)2∙3H2O (1) and [Ni(Phen)3](Htba)2]∙Phen∙2H2O (2) (Phen = 1,10-phenanthroline, Hba− = barbiturate ion, Htba− = thiobarbiturate ion) have been synthesized and characterized by elemental analysis, single-crystal and powder XRD, magnetic measurements, TG-DSC, FT-IR, and Vis absorption spectra. Complex 1 shows a distorted square pyramidal geometry around the copper (II) metal center. The coordination around the Ni atom is a distorted octahedron NiN6. The 3D and 2D supramolecular structures of 1 and 2 are formed respectively by intermolecular H-bonds. Two N–H⋯O hydrogen bonds in 1, and N–H⋯O, N–H⋯S hydrogen bonds in 2 form infinite chains. As a result of π–π interactions, similar 4-membered zigzag chains in structures 1 and 2 respectively are formed.
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Держатели документа:
Siberian Federal University, 79 Svobodny Ave., Krasnoyarsk, 660041, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Bld. 38 Akademgorodok 50, Krasnoyarsk, 660036, Russian Federation
Department of Physics, Far Eastern State Transport University, 47 Seryshev Str., Khabarovsk, 680021, Russian Federation
Favorsky Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky, Irkutsk, 664033, Russian Federation
Laboratory of Magnetic Dynamics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Bld. 38 Akademgorodok 50, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Golovnev, N. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Sterkhova, I. V.; Lesnikov, M. K.; Demina, A. V.; Patrin, G. S.; Патрин, Геннадий Семёнович
}
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7.
Tuning of the
coordination and emission properties of 4-amino-2,1,3-benzothiadiazole by introduction of diphenylphosphine group / T. S. Sukhikh, R. M. Khisamov, D. A. Bashirov [et al.]> // Cryst. Growth Des. - 2020. -
Vol. 20
,
Is. 9
. - P. 5796-5807,
DOI
10.1021/acs.cgd.0c00406. - Cited References: 58. - This work is supported by the Russian Science Foundation (project no. 19-73-00030) and partly by RFBR (viz., powder XRD data processing and determination of the structure of 1. CINF7/INFHINF8/INF using powder XRD) according to the research project no. 19-52-80003. We acknowledge the European Synchrotron Radiation Facility for provision of synchrotron radiation facilities and thank Prof. Andrew N. Fitch. We are grateful to Siberian Supercomputer Centre of Institute of Computational Mathematics and Mathematical Geophysics for computational capability and thank the technical staff of the Institute for the assistance . - ISSN 1528-7483. - ISSN 1528-7505
Перевод заглавия:
Настройка координационных и эмиссионных свойств 4-амино-2,1,3-бензотиадиазола путем введения дифенилфосфиновой группы
РУБ
Chemistry, Multidisciplinary + Crystallography + Materials Science, Multidisciplinary
Рубрики:
COMPLEXES
BENZOTHIADIAZOLE
CHEMISTRY
SUBSTITUENTS
LIGANDS
PROGRAM
Аннотация:
A novel amino-benzothiadiazole bearing diphenylphosphine groups (L) was designed and synthesized. A number of its coordination compounds of Cu(I) (1·0.75C7H8, 2a,b), Pd(II) (4), and Pt(II) (5) were prepared demonstrating the coordination of L ligand via N and/or P atoms. The reaction with strong Lewis acid Zn(II) resulted in the rearrangement of P—N—P to P–P–N moiety and formation of complex 3. The structures of L, 2–5 were determined by single crystal X-ray (XRD) diffraction, while that of 1·0.75C7H8 was determined by powder XRD analysis. Intermolecular secondary bonding of S···S interactions in the compounds, unusual for benzothiadiazoles, was discussed supported by quantum chemical calculations. Differences in the structures of the compounds cause significant changes of photophysical properties. In particular, the position of the electronic absorption band is featured by the conformation of L, viz., the dihedral angle between the benzothiadiazole unit and the P—N—P moiety, as proved by TD-DFT calculations performed on model molecules. The photophysical properties of the compounds also strongly depend on the coordination mode of L: the presence of a bond between the metal and the N atom of the thiadiazole unit plays an essential role in defining the position of the absorption and emission bands as well as emission lifetime of these compounds. The thermally activated delayed fluorescence and phosphorescence mechanisms in a thermal equilibrium were determined for 1·0.75C7H8. Complex 5 features a broad emission band spanning the entire visible region; moreover, it shows an unusual clear-white luminescence, which remains visible even in the daylight.
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Держатели документа:
Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia.
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Novosibirsk State Univ, Natl Res Univ, Dept Nat Sci, Novosibirsk 630090, Russia.
Shihexi Univ, Dept Chem, Shihezi 832000, Xinjiang, Peoples R China.
Доп.точки доступа:
Sukhikh, Taisiya S.; Khisamov, Radmir M.; Bashirov, D. A.; Komarov, Vladislav Yu; Molokeev, M. S.; Молокеев, Максим Сергеевич; Ryadun, Alexey A.; Benassi, E.; Konchenko, Sergey N.; Russian Science FoundationRussian Science Foundation (RSF) [19-73-00030]; RFBRRussian Foundation for Basic Research (RFBR) [19-52-80003]
}
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8.
Trinuclear ReFePt clusters
with a μ3-phenylvinylidene ligand: synthetic approaches, rearrangement of vinylidene, and redox-induced transformations / V. V. Verpekin, O. S. Chudin, A. D. Vasiliev [et al.]> // Dalton Trans. - 2022. -
Vol. 51
,
Is. 1
. - P. 324-339,
DOI
10.1039/d1dt03750a. - Cited References: 66. - This work was conducted within the framework of the budget project # 0287-2021-0012 for Institute of Chemistry and Chemical Technology SB RAS using the equipment of Krasnoyarsk Regional Research Equipment Centre of Federal Research Centre, SB RAS . - ISSN 1477-9226. - ISSN 1477-9234
РУБ
Chemistry, Inorganic & Nuclear
Рубрики:
RAY CRYSTAL-STRUCTURE
METAL-METAL
HETEROBIMETALLIC
COMPLEXES
Аннотация:
A series of trinuclear μ3-vinylidene ReFePt clusters were synthesized by the application of two approaches: (i) reactions of the binuclear RePt μ-vinylidene
complexes
with Fe2(CO)9; (ii) ligand substitution or exchange reactions at the Pt atom in the synthesized ReFePt clusters. The molecular structures of CpReFePt(μ3-C==CHPh)(CO)5[P(OEt)3]L [L = CO; P(OEt)3] were determined by an X-ray diffraction study. The obtained compounds were studied by IR and 1H, 13C and 31P NMR spectroscopy. The spectroscopic study revealed that the clusters CpReFePt(μ3-C==CHPh)(CO)5[P(OEt)3]L [L = CO; P(OEt)3] and CpReFePt(μ3-C==CHPh)(CO)6[P(OPri)3] undergo isomerization upon dissolution, resulting in three isomers with different positions of the μ3-vinylidene ligand over the ReFePt core. The redox properties of the clusters were studied by electrochemical methods. The relatively stable cation-radicals obtained by chemical oxidation of CpReFePt(μ3-C==CHPh)(CO)6[P(OPri)3] and CpReFePt(μ3-C==CHPh)(CO)5[P(OEt)3]2 with ferrocenium tetrafluoroborate were characterized by EPR spectroscopy.
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Держатели документа:
SB RAS, Inst Chem & Chem Technol, Fed Res Ctr, Krasnoyarsk Sci Ctr, Akademgorodok 50-24, Krasnoyarsk 660036, Russia.
SB RAS, Inst Phys, Fed Res Ctr, Krasnoyarsk Sci Ctr, Akademgorodok 50-38, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny Prospect 79, Krasnoyarsk 660041, Russia.
Доп.точки доступа:
Verpekin, Victor V.; Chudin, Oleg S.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Kondrasenko, Alexander A.; Shor, Aleksey M.; Burmakina, G. V.; Zimonin, D. V.; Maksimov, N. G.; Rubaylo, A. I.; [0287-2021-0012]
}
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9.
Thermodynamic stability and
electron structure of polymeric sandwich
complexes
of porphyrins with different metals / A. A. Kuzubov [et al.]> // Russ. J. Phys. Chem. A. - 2012. -
Vol. 86
,
Is. 10
. - P. 1567-1569,
DOI
10.1134/S0036024412100159. - Cited References: 14 . - ISSN 0036-0244
РУБ
Chemistry, Physical
Рубрики:
INITIO MOLECULAR-DYNAMICS
TRANSITION
Кл.слова (ненормированные):
porphyrins
--
sandwich
complexes
--
electron structure
--
thermodynamic stability
Аннотация:
The thermodynamic stability of different conformers of the polymeric sandwich structures of metalloporphyrins (MeP) is studied by means of quantum chemistry. The possibility of forming stable layered BaP, SrP, ScP, YP, and ZrP structures with shielded and retarded conformation is demonstrated. Shielded conformers are preferable in the case of SrP, BaP, and ScP
complexes
, while retarded conformers are most advantageous for YP and ZrP
complexes
. Based on the results from calculating the electron structure of the investigated compounds, we find that SrP and BaP are semiconductors and ScP, YP, and ZrP are electrical conductors.
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Публикация на русском языке
Термодинамическая устойчивость и электронная структура полимерных “сэндвичевых” комплексов порфиринов с различными металлами [Текст] / А. А. Кузубов [и др.] // Журн. физ. химии. - 2012. - Т. 86 № 10. - С. 1669-1672
Держатели документа:
[Kuzubov, A. A.
Krasnov, P. O.
Ignatova, N. Yu.
Fedorov, A. S.
Tomilin, F. N.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Kuzubov, A. A.
Krasnov, P. O.
Tomilin, F. N.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Kuzubov, A. A.
Krasnov, P. O.
Fedorov, A. S.] Siberian State Technol Univ, Krasnoyarsk 660049, Russia
Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Krasnov, P. O.; Краснов, Павел Олегович; Ignatova, N. Y.; Fedorov, A. S.; Федоров, Александр Семенович; Tomilin, F. N.; Томилин, Феликс Николаевич
}
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10.
Theoretical study of
the toroidal forms of carbon and related endohedral
complexes
with lithium / A. A. Kuzubov [et al.]> // Phys. Solid State. - 2001. -
Vol. 43
,
Is. 10
. - P. 1982-1988,
DOI
10.1134/1.1410643. - Cited References: 11 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Аннотация:
The atomic and electron structures of toroidal carbon molecules (C-240 and two C-120 isomers) and related endohedral
complexes
with lithium (Li-2@C-n and Li-4@C-n) were theoretically studied using both nonempirical (3-21G basis set) and semiempirical (MNDO) calculation schemes. For the metal-containing compounds, the behavior of lithium atoms embedded into internal cavities of the carbon framework was studied using methods of molecular dynamics. It is demonstrated that the structure of electron levels of metal-containing carbon
complexes
exhibits an embedded state in the forbidden band, which appears due to the presence of electrons accepted from metal atoms. The position of this embedded state and the bandgap width depend both on the initial carbon structure and on the amount of metal atoms incorporated. (C) 2001 MAIK "Nauka/Interperiodica".
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Держатели документа:
Krasnoyarsk State Tech Univ, Krasnoyarsk, Russia
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Div, Krasnoyarsk, Russia
ИФ СО РАН
ИХХТ СО РАН
Krasnoyarsk Stt. Tech. University, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Inst. of Chem. and Chem. Technology, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Avramov, P. V.; Аврамов, Павел Вениаминович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Varganov, S. A.; Tomilin, F. N.; Томилин, Феликс Николаевич
}
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11.
Melnikova, S. V.
The role of structural and nonstructural water in oxyfluoride K2WO2F4 center dot H2O / S. V. Melnikova, A. D. Vasilev, A. G. Kocharova> // Phys. Solid State. - 2011. -
Vol. 53
,
Is. 12
. - P. 2435-2440,
DOI
10.1134/S1063783411120146. - Cited References: 16. - This work was supported by the Presidential Grant of the Russian Federation NSh-4645.2010.2, by the Russian Foundation for Basic Research, project no. 09-02-00062, and by the Integration Project of the Siberian Branch of the Russian Academy of Sciences no. 101. . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
PHASE-TRANSITIONS
OXOPEROXOFLUORO
COMPLEXES
MO V
CRYSTAL STRUCTURE
OXOFLUORO
(NH4)(2)NBOF5
(NH4)(2)WO2F4
MONOHYDRATE
DISORDER
Аннотация:
X-ray structural and polarization optical investigations have been performed, and birefringence and rotation angles of the optical indicatrix phi (b) and phi (c) of the K2WO2F4 center dot H2O crystal have been measured in the temperature range of 100-600 K. The structure and symmetry of compounds at room temperature have been refined. It has been established that the layered crystal K2WO2F4 center dot H2O can exist in two states (A and B) depending on the atmospheric humidity and undergoes the sequence of reversible and irreversible phase transformations G (3)↔ G (2)↣ G (1)↣ G (0). The sequences of changes in the phase symmetry P (1) over bar↔C2/m↣ {4/nmm for samples A and m↔ C2/m↣P4/nmm for samples B havve been found. The second older proper ferroelastic phase transition (P(1) over bar↔ C2/m) at T-03 = 2700-290 K (G (3)↔ G (2)) is accompanied by twinning and appearance of the shift deformation x (6). The crystal system of the substance for the B crystals remains invariable after the second-order phase transition G (3) a dagger" G (2). The irreversible first-order phase transition G (2)↣ G (1) occurs in a temperature range T (02) a parts per thousand 350-380 K; it is accompanied by the loss of the crystallization water, which then is reduced easily from the atmosphere for a day. The substance decomposes at T (01) approximate to 510 K (G (1)↣ G (0)). The distinction between the A and B crystals has been explained by the presence or absence of free water in interlayer spacings.
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Держатели документа:
[Melnikova, S. V.
Vasilev, A. D.
Kocharova, A. G.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
Vasilev, A. D.; Kocharova, A. G.; Кочарова, Алла Георгиевна; Мельникова, Светлана Владимировна
}
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12.
MALAKHOVSKII, A. V.
THE ORIGIN OF ANOMALOUS TEMPERATURE DEPENDENCES OF INTENSITIES OF SPIN-FORBIDDEN D-D TRANSITIONS IN OCTAHEDRAL
COMPLEXES
/ A. V. MALAKHOVSKII, G. G. VASILJEV> // Solid State Commun. - 1983. -
Vol. 48
,
Is. 4
. - P. 353-356,
DOI
10.1016/0038-1098(83)90739-1. - Cited References: 13 . - ISSN 0038-1098
РУБ
Physics, Condensed Matter
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,
Scopus
Держатели документа:
L.V. Kirensky Institute of Physics, Academy of Sciences, the USSR, 660036 Krasnoyarsk, Russian Federation
ИФ СО РАН
Доп.точки доступа:
VASILJEV, G. G.; Малаховский, Александр Валентинович
}
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13.
Golovnev, N. N.
The crystal structure of lead(II) 1,3-diethyl-2-thiobarbiturate / N. N. Golovnev, M. S. Molokeev, I. I. Golovneva> // Russ. J. Coord. Chem. - 2015. -
Vol. 41
,
Is. 5
. - P. 300-304,
DOI
10.1134/S1070328415050012. - Cited References:25 . - ISSN 1070. - ISSN 1608-3318. -
РУБ
Chemistry, Inorganic & Nuclear
Рубрики:
HYDROGEN-BOND
COMPLEXES
ACID
2-THIOBARBITURATE
DIFFRACTION
SERIES
Аннотация:
The complex [Pb2(DETBA)4] n (I), where HDETBA is 1,3-diethyl-2-thiobarbituric acid (C8H12N2O2S), was obtained and structurally characterized by X-ray diffraction (CIF file CCDC no. 1031501). The crystals of complex I are trigonal: a = 12.9503(3), c = 32.077(1) Å, V = 4658.9(3) Å3, space group R3¯ , Z = 9. One of the crystallographically independent lead ions, Pb(1)2+, is coordinated in an octahedral fashion by six DETBA− ions through the O atoms. The other ion, Pb(2)2+, is coordinated to six DETBA− ions through three O atoms and three S atoms making up a trigonal prism. The polyhedra Pb(1)O6 and Pb(2)O6 are united through bridging DETBA− ions into infinite layers. The ligands are linked by neither intermolecular hydrogen bonds nor π-π interactions.
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Публикация на русском языке
Головнёв, Николай Николаевич. Кристаллическая структура 1,3-диэтил-2-тиобарбитурата свинца(II) [Текст] / Н. Н. Головнёв, М. С. Молокеев, И. И. Головнева // Координ. химия : Наука, 2015. - Т. 41 № 5. - С. 266–270
Держатели документа:
Siberian Fed Univ, Krasnoyarsk, Russia.
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk, Russia.
Far Eastern State Transport Univ, Khabarovsk, Russia.
State Agr Univ, Krasnoyarsk, Russia.
Доп.точки доступа:
Molokeev, M. S.; Молокеев, Максим Сергеевич; Golovneva, I. I.
}
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14.
The comparative analysis
of the solid-state 31P NMR spectra of Re-Pt vinylidene
complexes
/ K. T. Smolyarov [et al.]> // J. Phys. Conf. Ser. - 2019. -
Vol. 1399
. - Ст. 022028,
DOI
10.1088/1742-6596/1399/2/022028. - Cited References: 11 . - ISSN 1742-6588. - ISSN 1742-6596
Рубрики:
Applied Physics
Аннотация:
The two vinylidene
complexes
Cp(CO)2 RePt(μ-C=CHPh)(PPh3 )(CO) and Cp(CO)2 RePt(μ-C=CHPh)(PPh3 )2 and their precursors PPh3 and P(PPh3 )4 were studied by solid-state nuclear magnetic resonance. We analysed 31P cross-polarization spectra acquired in static conditions and with magic angle spinning. The chemical shift tensors of each sample were determined by fitting their spectra using SIMPSON simulations.
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Держатели документа:
Federal Research Center "Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences" (KSC SB RAS), Krasnoyarsk, Russia
Kirensky Institute of Physics SB RAS, Krasnoyarsk, Russia
Institute of Chemistry and Chemical Technology SB RAS, Krasnoyarsk, Russia
Siberian Federal University, Krasnoyarsk, Russia
Доп.точки доступа:
Smolyarov, K. T.; Volkov, N. V.; Matsulev, A. N.; Kondrasenko, A. A.; Кондрасенко, Александр Александрович; International Scientific Conference "Conference on Applied Physics, Information Technologies and Engineering"(25-27 September 2019 ; Krasnoyarsk, Russian Federation)
}
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15.
The cis-trans isomer
transformation, spectroscopic and thermal properties of Li, Na, K 1,3-diethyl-2-thiobarbiturate
complexes
/ N. N. Golovnev [et al.]> // Polyhedron. - 2015. -
Vol. 85
. - P. 493-498,
DOI
10.1016/j.poly.2014.09.011. - Cited References:42. - The study has been carried out within the public task of the Ministry ofEducation and Science of the Russian Federation for research engineeringat the Siberian Federal University in 2014. V.V.A. is partly supportedby the Ministry of Education and Science of the Russian Federation. . - ISSN 0277-5387
Перевод заглавия:
Трансформация цис-транс изомеров, спектроскопические и термические свойства Li, Na, K 1,3-диэтил-2-тиобарбитуратных комплексов
РУБ
Chemistry, Inorganic & Nuclear + Crystallography
Рубрики:
CRYSTAL-STRUCTURE
2-THIOBARBITURIC ACID
STRUCTURAL-CHARACTERIZATION
HYDROGEN-BOND
DIFFRACTION
THIOBARBITURATE
CHEMISTRY
NETWORKS
SPECTRA
SERIES
Кл.слова (ненормированные):
1,3-Diethyl-2-thiobarbituric acid
--
Alkali ions
--
X-ray diffraction
--
Infrared spectroscopy
--
Thermal analysis
Аннотация:
Three new
complexes
of 1,3-diethyl-2-thiobarbituric acid (C8H11N2O2S, HDETBA) with Li+, Na+, K+ alkali ions were synthesized. The
complexes
have been prepared by neutralization of 1,3-diethyl-2-thiobarbituric acid with the corresponding metal hydroxide in aqueous solution. The colorless crystals have been investigated using X-ray single crystal and powder techniques and characterized by differential scanning calorimetry, thermogravimetry and infrared spectroscopy. The compounds of MDETBA with M = Li and M = Na crystallize in the monoclinic lattice with a = 10.678(1) Å, b = 7.2687(9) Å, c = 13.202(2) Å, β = 108.841(2)°, Z = 4, V = 969.8(2) Å3, S.G. P21/n and a = 10.534(2) Å, b = 7.604(1) Å, c = 14.186(1) Å, β = 108.964(4)°, Z = 4, V = 1074.6(3) Å3, S.G. P21/n, respectively. Сompound KDETBA crystallizes in the orthorhombic lattice with a = 4.2541(6) Å, b = 14.739(2) Å, c = 16.635(3) Å, Z = 4, V = 1043.1(3) Å3, S.G. P212121. In Li(I) and Na(I)
complexes
, the DETBA− ion is in cis-configuration and, in the K(I) complex, this ion is in trans-configuration. The reason for the transformation from cis- to trans-configuration has been rationalized.
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Держатели документа:
Siberian Fed Univ, Dept Chem, Krasnoyarsk 660041, Russia
SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia
SB RAS, Inst Chem & Chem Technol, Lab Catalyt Convers Small Mol, Krasnoyarsk 660036, Russia
SB RAS, Irkutsk Favorsky Inst Chem, Phys Chem Lab, Irkutsk 664033, Russia
Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090, Russia
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia
Novosibirsk State Univ, Lab Semicond & Dielect Mat, Novosibirsk 630090, Russia
Доп.точки доступа:
Golovnev, N. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Vereshchagin, Sergey N.; Sterkhova, I. V.; Atuchin, V. V.; Ministry of Education and Science of the Russian Federation
}
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16.
The 5-(isopropylidene)-2-thiobarbituric acid:
Preparation, crystal structure, thermal stability and IR-characterization / N. N. Golovnev [et al.]> // J. Mol. Struct. - 2014. -
Vol. 1068
. - P. 216-221,
DOI
10.1016/j.molstruc.2014.04.024. - Cited References: 30. - V.V.A. is grateful to the Ministry of Education and Science of Russian Federation for the financial support of the investigation. . - ISSN 0022-2860. - ISSN 1872-8014
Перевод заглавия:
5-(изопропилиден)-2-тиобарбитуровая кислота: Синтез, кристаллическая структура, термическая стабильность и ИК характеризация
РУБ
Chemistry, Physical
Рубрики:
2-THIOBARBITURIC ACID
COMPLEXES
DERIVATIVES
Кл.слова (ненормированные):
5-(Isopropylidene)-2-thiobarbituric acid
--
Synthesis
--
Thiobarbituric acid
--
X-ray diffraction
--
Infrared spectroscopy
--
Thermography
Аннотация:
5-(Isopropylidene)-2-thiobarbituric acid (1), C7H8N2O2S, has been crystallized by reacting 2-thiobarbituric acid with excessing acetone for 5–6 days under ambient conditions. The pale yellow crystals have been investigated using X-ray single crystal and powder techniques and characterized by differential scanning calorimetry, thermogravimetry and infrared spectroscopy. The compound crystallizes in the monoclinic system with a = 8.8268(19) Å, b = 12.044(3) Å, c = 8.0998(19) Å, β = 105.388(6)°, Z = 4, V = 830.2(3) Å3, space group P21/c. The geometric parameters of the heterocycle of the molecule 1 are similar to those found previously for the molecule of thionedicarbonyl tautomer in polymorphic modifications of 2-thiobarbituric acid. Infrared spectroscopy also evidences the thionedicarbonyl structure of the 1 heterocyclic ring. Intermolecular NH⋯O hydrogen bonds join the molecules in the chains along b axis. The 1 compound is thermally stable up to 230.0 °С and melts with decomposition at 261.4 °C. The results of mass spectrometric analysis are consistent with the structural parameters found by X-ray diffraction methods.
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Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Krasnoyarsk Sci Ctr SD RAS, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090, Russia
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia
Novosibirsk State Univ, Lab Semicond & Dielect Mat, Novosibirsk 630090, Russia
Доп.точки доступа:
Golovnev, N. N.; Головнёв, Николай Николаевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Tarasova, L. S.; Atuchin, V. V.; Vladimirova, N. I.
}
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17.
Synthesis, mass spectroscopy
detection, and density functional theory investigations of the Gd endohedral
complexes
of C82 fullerenols / A. A. Shakirova, F. N. Tomilin, V. A. Pomogaev [et al.]> // Computation. - 2021. -
Vol. 9
,
Is. 5
. - Ст. 58,
DOI
10.3390/computation9050058. - Cited References: 41. - The experimental results were funded by RFBR project No. 18-29-19003 MK. The quantum chemical study was funded by project 0721-2020-0033 of the Russian Ministry of Science and Education. The collaboration and coordination of Russian and Korean teams was supported by Collaborative NRF-RFBR grant (Korean ID: NRF-2019K2A9A1A06100125; Russian ID: Project No. 19-53-51005 NIFa RFFI-Korea) and NRF 2021R1A2C1010455 grant . - ISSN 2079-3197
Перевод заглавия:
Синтез, масс-спектроскопическое определение и исследование теорией функционала плотности Gd-эндоэдральных комплексов фуллеренолов C82
РУБ
Mathematics, Interdisciplinary Applications
Рубрики:
ZETA VALENCE QUALITY
BIOLOGICAL-ACTIVITY
BASIS-SETS
TOXICITY
Кл.слова (ненормированные):
endohedral fullerenes
--
density functional theory
--
antioxidant activity
--
reactive oxygen species
--
magnetic resonance imaging
Аннотация:
Gd endohedral
complexes
of C82 fullerenols were synthesized and mass spectrometry analysis of their composition was carried out. It was established that the synthesis yields a series of fullerenols Gd@C82Ox(OH)y (x = 0, 3; y = 8, 16, 24, 36, 44). The atomic and electronic structure and properties of the synthesized fullerenols were investigated using the density functional theory calculations. It was shown that the presence of endohedral gadolinium increases the reactivity of fullerenols. It is proposed that the high-spin endohedral fullerenols are promising candidates for application in magnetic resonance imaging.
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Держатели документа:
Siberian Fed Univ, Dept Biophys, Sch Engn Phys & Radio Elect, Sch Petr & Gas Engn, Pr Svobodny 79, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk Sci Ctr, Akad Gorodok 50, Krasnoyarsk 660036, Russia.
Natl Res Tomsk State Univ, Dept Phys, Lenina Ave 36, Toms 634050, Russia.
Kyungpook Natl Univ, Dept Chem, 80 Daehak Ro, Daegu 41566, South Korea.
Kyungpook Natl Univ, Green Nano Mat Res Ctr, 80 Daehak Ro, Daegu 41566, South Korea.
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk Sci Ctr, Akad Gorodok 50-50, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Shakirova, A. A.; Tomilin, F. N.; Томилин, Феликс Николаевич; Pomogaev, V. A.; Vnukova, N. G.; Внукова, Наталья Григорьевна; Churilov, G. N.; Чурилов, Григорий Николаевич; Kudryasheva, N. S.; Tchaikovskaya, O. N.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Avramov, P. V.; RFBRRussian Foundation for Basic Research (RFBR) [18-29-19003 MK]; Russian Ministry of Science and EducationMinistry of Education and Science, Russian Federation [0721-2020-0033]; Collaborative NRF-RFBR grant (Korean) [NRF-2019K2A9A1A06100125]; Collaborative NRF-RFBR grant (Russian) [19-53-51005 NIFa RFFI-Korea]; NRF [2021R1A2C1010455]
}
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18.
Synthesis and thermal
transformation of a neodymium(III) complex [Nd(HTBA)2(C2H3O2)(H2O)2]·2H2O to non-centrosymmetric oxosulfate Nd2O2SO4 / N. N. Golovnev [et al.]> // J. Coord. Chem. - 2015. -
Vol. 68
,
Is. 11
. - P. 1865-1877,
DOI
10.1080/00958972.2015.1031119. - Cited References:59. - The study was carried out within the public task of the Ministry of Education and Science of the Russian Federation for research engineering at the Siberian Federal University in 2014. V.V.A. is grateful to the Ministry of Education and Science of the Russian Federation for the financial support of this investigation. - Cover image: Artwork representing main idea of this article . - ISSN 0095. - ISSN 1029-0389
Перевод заглавия:
Синтез и термическое разложение комплекса неодима(III) [Nd(HTBA)2(C2H3O2)(H2O)2]·2H2O до нецентросимметричного оксосульфата Nd2O2SO4
РУБ
Chemistry, Inorganic & Nuclear
Рубрики:
THIOBARBITURIC ACID
COMPLEXES
TRANSITION-METAL-
COMPLEXES
Кл.слова (ненормированные):
Neodymium
--
2-Thiobarbituric acid
--
Crystal structure
--
Thermal
--
decomposition
--
IR spectroscopy
Аннотация:
Neodymium complex [Nd(HTBA)2(C2H3O2)(H2O)2]n·2nH2O (1) (H2TBA = 2-thiobarbituric acid, C4H4N2O2S) has been synthesized in an aqueous solution at 80–90 °C. The crystal structure of 1 has been determined by the Rietveld method in space group P21/n, a = 8.5939(2), b = 22.9953(5), c = 10.1832(2) Å, β = 112.838(1)°, Z = 4, and R = 0.0181. In 1, the Nd(III) is coordinated by four μ2-HTBA– ions through O, three oxygens from two μ2-η2 : η1-bridging CH3COO– anions, and two terminal waters with a tri-capped trigonal prism structure. The prisms form an edge-contact pair through two O from two acetates. The pairs are connected by HTBA– and form a 3-D framework. The principle product of thermal decomposition of 1 at >750 °C is Nd2O2SO4 (2). The crystal structure of 2 has been obtained in space group I222, a = 4.1199(4), b = 4.2233(4), c = 13.3490(12) Å, Z = 2, and R = 0.0246. The structure is related to an orthorhombic structure type of M2O2SO4 (M = Ln) compounds. In 2, the Nd3+ is coordinated by six oxygens in a trigonal prism. Each NdO6 prism links with two SO4 tetrahedra by nodes, with four other NdO6 prisms by edges, and with four other NdO6 prisms by nodes, and the units form the 3-D frame. In the frame, the layers of SO4 tetrahedra are alternated by two NdO6 prism layers.
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Держатели документа:
Siberian Fed Univ, Dept Chem, Krasnoyarsk, Russia
SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk, Russia
Far Eastern State Transport Univ, Dept Phys, Khabarovsk, Russia
SB RAS, Inst Chem & Chem Technol, Lab Catalyt Convers Small Mol, Krasnoyarsk, Russia
SB RAS, Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk, Russia
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia
Novosibirsk State Univ, Lab Semicond & Dielect Mat, Novosibirsk 630090, Russia
Доп.точки доступа:
Golovnev, N. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Vereshchagin, S. N.; Atuchin, V. V.; Ministry of Education and Science of the Russian Federation
}
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19.
Synthesis and study
of iron-containing fullerene
complexes
/ G. N. Churilov [et al.]> // Tech. Phys. - 1997. -
Vol. 42
,
Is. 9
. - P. 1111-1113,
DOI
10.1134/1.1258784. - Cited References: 9 . - ISSN 1063-7842
РУБ
Physics, Applied
Рубрики:
C-60
WOS
,
Scopus
Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Доп.точки доступа:
Churilov, G. N.; Чурилов, Григорий Николаевич; Bayukov, O. A.; Баюков, Олег Артемьевич; Petrakovskaya, E. A.; Петраковская, Элеонора Анатольевна; Korets, A. Y.; Isakova, V. G.; Исакова, Виктория Гавриловна; Titarenko, Y. N.
}
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20.
Synthesis and molecular
structure of cobalt(II) complex with 1-(1-silatranylmethyl)-1,2,4-triazole / A. D. Vasiliev [et al.]> // Struct. Chem. - 2013. -
Vol. 24
,
Is. 4
. - P. 1001-1005,
DOI
10.1007/s11224-012-0121-0. - Cited References: 24 . - ISSN 1040-0400
Перевод заглавия:
Синтез и молекулярная структура комплекса кобальта(II) с 1-(1-силатранилметил)-1,2,4-триазолом
РУБ
Chemistry, Multidisciplinary + Chemistry, Physical + Crystallography
Рубрики:
REACTIVITY
DERIVATIVES
CRYSTAL
SPECTRA
Кл.слова (ненормированные):
Complexes
--
1-(1-Silatranylmethyl)-1,2,4-triazole
--
Cobalt dichloride
--
X-ray diffraction
Аннотация:
Reaction of cobalt chloride with 1-(1-silatranylmethyl)-1,2,4-triazole in benzene afforded complex CoCl2 center dot 2L (L = 1-(1-silatranylmethyl)-1,2,4-triazole). It was isolated as the solvate [CoCl2 center dot 2L]center dot CH2Cl2 (1) by recrystallization from dichloromethane and structurally characterized by single-crystal X-ray diffraction. It crystallizes in the monoclinic space group P2(1)/m with a = 6.798(2) E, b = 20.326(5) E, c = 11.005(3) E, and Z = 4. The cobalt atom is in slightly distorted square-planar environment, coordinated to two nitrogen atoms from two ligands and two chloride ions.
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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
East Siberian State Academician Educ, Irkutsk 664011, Russia
Russian Acad Sci, Siberian Branch, AE Favorsky Irkutsk Inst Chem, Irkutsk 664033, Russia
Доп.точки доступа:
Vasiliev, A. D.; Васильев, Александр Дмитриевич; Zel'bst, E. A.; Soldatenko, A. S.; Bolgova, Yu.I.; Trofimova, O. M.; Voronkov, M. G.
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