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Structure of Barbituratobis(2,2'-Dipyridyl)copper(II) Heptahydrate / N. N. Golovnev [et al.] // Russ. J. Coord. Chem. - 2019. - Vol. 45, Is. 8. - P. 569-572, DOI 10.1134/S1070328419080037. - Cited References: 25. - This work was supported by the Ministry of Education and Science of the Russian Federation in the framework of the state task for the Siberian Federal University for 2017-2019 (4.7666.2017/BCh). . - ISSN 1070-3284. - ISSN 1608-3318

РУБ Chemistry, Inorganic & Nuclear
Рубрики:
IONIC CO-CRYSTALS
   BARBITURIC-ACID
   COMPLEXES
   STATE
Кл.слова (ненормированные):
copper(II) -- barbituric acid -- 2,2 '-dipyridyl -- complex -- structure -- properties
Аннотация: The structure of the complex [Cu(Bipy)2(BA)] ∙ 7H2O (I), where Bipy is 2,2'-dipyridyl, and BA2– is the barbituric acid anion (H2BA), is determined (CIF file CCDC no. 1887338). The thermal decomposition and IR spectrum of complex I are studied. The crystals are orthorhombic: a = 26.118(3), b = 27.685(3), c = 15.683(2) Å, V = 11 370(2) Å3, space group Fdd2, Z = 16. The discrete structure of the polar crystal consists of neutral [Cu(Bipy)2(BA)] particles and molecules of crystallisation water . The Cu2+ ion is bound to the N atoms of two bidentate Bipy molecules and the N atom of the BA2− ion at the vertices of the trigonal bipyramid CuN5. Compound I is the first example of the metal complex only with the N-coordinated anions of barbituric acid (BA2−, НBA−). The structure is stabilized by hydrogen bonds O−H∙∙∙O and N−H∙∙∙O to form a three-dimensional network with the π–π interaction between the Bipy molecules. The compound begins to lose water at ~50°С and is completely dehydrated above 200°С.

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Публикация на русском языке Структура гаптагидрата барбитурато-бис-(2,2'-дипиридил)-меди(II) [Текст] / Н. Н. Головнев [и др.] // Координ. химия. - 2019. - Т. 45 № 8. - С. 481-484

Держатели документа:
Siberian Fed Univ, Krasnoyarsk, Russia.
Russian Acad Sci, Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk, Russia.
Far East State Transport Univ, Khabarovsk, Russia.
Russian Acad Sci, Favorskii Inst Chem, Siberian Branch, Irkutsk, Russia.

Доп.точки доступа:
Golovnev, N. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Sterkhova, I. V.; Lesnikov, M. K.; Ministry of Education and Science of the Russian Federation [4.7666.2017/BCh]
}
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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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Ion-exchange sorption of palladium(II) from hydrochloric acid solutions in the presence of silver(I) / O. N. Kononova [et al.] // Russ. J. Phys. Chem. A. - 2018. - Vol. 92, Is. 10. - P. 2053-2059, DOI 10.1134/S0036024418100138. - Cited References: 36 . - ISSN 0036-0244. - ISSN 1531-863X

РУБ Chemistry, Physical
Рубрики:
PLATINUM-GROUP METALS
   RECOVERY
   COMPLEXES
   CHLORIDE
   PD(II)
Кл.слова (ненормированные):
palladium -- silver -- hydrochloric acid solutions -- sorption -- sorptive extraction
Аннотация: The sorptive extraction of palladium(II) chloride complexes in the presence of silver(I) chloride complexes from 2 and 4 M aqueous solutions of HCl with a series of Purolite anionites with different functional groups is studied. An anion exchange mechanism of sorption is identified from Raman spectroscopy data. Kinetic properties that are inherent to the investigated ionites and allow the elution of palladium(II) and silver(I) after their extraction in a dynamic mode are revealed.

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Публикация на русском языке Ионообменная сорбция палладия (II) в присутствии серебра (I) из солянокислых растворов [Текст] / О. Н. Кононова [и др.] // Журн. физ. химии. - 2018. - Т. 92 № 10. - С. 1641-1647

Держатели документа:
Siberian Fed Univ, Inst Nonferrous Met & Mat Sci, Krasnoyarsk 660025, Russia.
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Kononova, O. N.; Duba, E. V.; Medovikov, D. V.; Krylov, A. S.; Крылов, Александр Сергеевич
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Chemistry of vinylidene complexes. XXIV. A new μ-vinylidene complex containing RePt core, and platinum-bound carbonyl ligand. Spectroscopic, structural and electrochemical study / V. V. Verpekin [et al.] // J. Mol. Struct. - 2018. - Vol. 1163. - P. 308-315, DOI 10.1016/j.molstruc.2018.03.020. - Cited References: 45. - The reported study was funded by the State budget allocated to the fundamental research in the Russian Academy of Sciences in the framework of Project No. V.44.1.7 and was financially supported by Krasnoyarsk Region Science and Technology Support Fund (the junior scientists project no. 3/15). . - ISSN 0022-2860. - ISSN 1872-8014

РУБ Chemistry, Physical
Рубрики:
TRI-METAL COMPLEXES
   RAY CRYSTAL-STRUCTURE
   BRIDGING CARBENE
   CARBYNE
Кл.слова (ненормированные):
Rhenium -- Platinum -- Vinylidene complexes -- Heterometallic complexes -- Electrochemistry
Аннотация: The novel heterobinuclear μ-vinylidene complex [Cp(CO)2Re(μ-C=CHPh)Pt(PPh3)(CO)] (1) was isolated from the reaction mixture of [Cp(CO)2Re(μ-C=CHPh)Fe(CO)4] and Pt(PPh3)4 for the first time. Alternative high-yield synthetic approaches to 1 were developed including the reactions of [Cp(CO)2Re(μ-C=CHPh)Pt(PPh3)2] (2) with Co2(CO)8 and Rh(acac)(CO)2. The complex was characterized by IR and ¹H, ¹³C and ³¹P NMR spectroscopy, a molecular structure of 1 was determined by X-ray diffraction analysis. The electrochemical behavior of the new complex was studied by cyclic voltammetry at platinum or glassed carbon electrodes and by dc polarography at a dropping mercury electrode.

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Держатели документа:
RAS, SB, Inst Chem & Chem Technol, Krasnoyarsk Sci Ctr,Fed Res Ctr, Akademgorodok 50-24, Krasnoyarsk 660036, Russia.
RAS, SB, Fed Res Ctr, Inst Phys,Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
RAS, Fed Res Ctr, SB, Krasnoyarsk Sci Ctr, Akademgorodok 50, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny Prospect 79, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Verpekin, V. V.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Kondrasenko, A. A.; Burmakina, G. V.; Chudin, O. S.; Pavlenko, N. I; Zimonin, Dmitry V.; Rubaylo, Anatoly I.; Russian Academy of Sciences [V.44.1.7]; Krasnoyarsk Region Science and Technology Support Fund [3/15]
}
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    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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    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.

Материалы конференции,
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; Зимонин, Дмитрий Валерьевич; Бурмакина, Галина Вениаминовна; Полифункциональные химические материалы и технологии(2019 ; май. ; 22-25 ; Томск); Томский государственный университет
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Molecular epitope determination of aptamer complexes of the multidomain protein C-met by proteolytic affinity-mass spectrometry / L. Lupu, P. Wiegand, N. Huttmann [et al.] // ChemMedChem. - 2020. - Vol. 15, Is. 4. - P. 363-369, DOI 10.1002/cmdc.201900489. - Cited References: 40. - We gratefully acknowledge the advice and assistance of Prof. Friedemann Volklein and Oliver Muller, MSc in the preparation of chips for the SPR affinity determinations. We thank Dr. Stefan Maeser, Biogen GmbH, Munchen, for valuable advice and critical reading of the manuscript. This work has been partially funded (Chip-MS epitope analysis) by the LOEWE-3 Funding Agency, Hessen-Agentur, Wiesbaden, Germany; Grant 696/19-16 . - ISSN 1860-7179. - ISSN 1860-7187

РУБ Chemistry, Medicinal + Pharmacology & Pharmacy
Рубрики:
DNA APTAMERS
ANTIBODIES
RECOGNITION
Кл.слова (ненормированные):
C-Met protein -- tumor biomarkers -- aptamer-C-Met complexes -- aptamer epitopes -- affinity-mass spectrometry -- epitope peptide analysis
Аннотация: C‐Met protein is a glycosylated receptor tyrosine kinase of the hepatocyte growth factor (HGF), composed of an α and a β chain. Upon ligand binding, C‐Met transmits intracellular signals by a unique multi‐substrate docking site. C‐Met can be aberrantly activated leading to tumorigenesis and other diseases, and has been recognized as a biomarker in cancer diagnosis. C‐Met aptamers have been recently considered a useful tool for detection of cancer biomarkers. Herein we report a molecular interaction study of human C‐Met expressed in kidney cells with two DNA aptamers of 60 and 64 bases (CLN0003 and CLN0004), obtained using the SELEX (Systematic Evolution of Ligands by Exponential Enrichment) procedure. Epitope peptides of aptamer‐C‐Met complexes were identified by proteolytic affinity‐mass spectrometry in combination with SPR biosensor analysis (PROTEX‐SPR‐MS), using high‐pressure proteolysis for efficient digestion. High affinities (KD, 80–510 nM) were determined for aptamer‐C‐Met complexes, with two‐step binding suggested by kinetic analysis. A linear epitope, C‐Met (381–393) was identified for CLN0004, while the CLN0003 aptamer revealed an assembled epitope comprised of two peptide sequences, C‐Met (524–543) and C‐Met (557–568). Structure modeling of C‐Met‐aptamers were consistent with the identified epitopes. Specificities and affinities were ascertained by SPR analysis of the synthetic epitope peptides. The high affinities of aptamers to C‐Met, and the specific epitopes revealed render them of high interest for cellular diagnostic studies.

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Держатели документа:
Steinbeis Ctr Biopolymer Anal & Biomed Mass Spect, Marktstr 29, D-65428 Russelsheim, Germany.
Univ Ottawa, Dept Chem & Biomol Sci, Ottawa, ON K1N 6N5, Canada.
Rhein Main Univ, Dept Engn Sci, D-65428 Russelsheim, Germany.
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 66041, Russia.
Russian Acad Sci, Fed Res Ctr, Lab Digital Controlled Drugs & Theranost, Siberian Branch,Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Pressure Biosci Inc, 14 Norfolk Ave, South Easton, MA 02375 USA.

Доп.точки доступа:
Lupu, Loredana; Wiegand, Pascal; Huttmann, N.; Rawer, Stephan; Kleinekofort, Wolfgang; Shugureva, Irina; Kichkailo, Anna S.; Tomilin, F. N.; Томилин, Феликс Николаевич; Lazarev, Alexander; Berezovski, Maxim V.; Przybylski, Michael; LOEWE-3 Funding Agency, Hessen-Agentur, Wiesbaden, Germany [696/19-16]
}
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Chemistry of vinylidene complexes. XXV. Synthesis and reactions of binuclear µ-vinylidene RePt complexes containing phosphite ligands. Spectroscopic, structural and electrochemical study / O. S. Chudin, V. V. Verpekin, A. A. Kondrasenko [et al.] // Inorg. Chim. Acta. - 2020. - Vol. 505. - Ст. 119463, DOI 10.1016/j.ica.2020.119463. - Cited References: 56. - This work was conducted within the framework of the budget project AAAA-A17-117021310221-7 for Institute of Chemistry and Chemical Technology SB RAS using the equipment of Krasnoyarsk Regional Research Equipment Centre of SB RAS . - ISSN 0020-1693
Кл.слова (ненормированные):
Vinylidene complexes -- Rhenium -- Platinum -- NMR -- X-ray diffraction -- Redox properties
Аннотация: Reactions of Cp(CO)2ReCCHPh with Pt[P(OR)3]4 (R = Pri, Et, Ph) gave binuclear μ-vinylidene complexes Cp(CO)2RePt(μ-CCHPh)[P(OR)3]2. Treatment of the previously synthesized Cp(CO)2Re(μ-CCHPh)Pt(PPh3)2 with triisopropylphosphite or triethylphosphite resulted in a stepwise substitution of PPh3 ligands, leading to the disubstituted Cp(CO)2RePt(μ-CCHPh)[P(OR)3]2 and monosubstituted Cp(CO)2RePt(μ-CCHPh)[P(OR)3](PPh3) (R = Pri or Et) species, while no triphenylphosphine ligand substitution in the reaction with P(OPh)3 occurs at all. The monosubstituted Cp(CO)2RePt(μ-CCHPh)[P(OR)3](PPh3) (R = Pri, Et, Ph) species were also obtained by reacting Cp(CO)2ReCCHPh with mixed-ligand complexes Pt(PPh3)3L (L = P(OPri)3, P(OEt)3, P(OPh)3). Reactions of Cp(CO)2RePt(μ-CCHPh)LL′ (L = L′ = P(OPri)3, P(OEt)3, P(OPh)3; L = P(OPri)3, P(OEt)3, P(OPh)3, L′ = PPh3) with Co2(CO)9 yield tricarbonyl vinylidene species Cp(CO)2RePt(μ-CCHPh)[P(OR)3](CO) (R = Pri, Et, Ph). The obtained compounds were characterized by IR and 1H, 13C, 31P NMR spectroscopy. The molecular structures of Cp(CO)2RePt(μ-CCHPh)[P(OPri)3]2, Cp(CO)2RePt(μ-CCHPh)[P(OPri)3](PPh3) and Cp(CO)2RePt(μ-CCHPh)[P(OPri)3](CO) were determined by X-ray diffraction study. The redox properties of the new complexes and their reactions of chemical oxidation were studied.

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Держатели документа:
Institute of Chemistry and Chemical Technology SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Akademgorodok, 50-24, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Svobodny Prospect, 79, Krasnoyarsk, 660041, Russian Federation
Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, Acad. Lavrentiev Ave., 3, Novosibirsk, 630090, Russian Federation
Novosibirsk State University, 2 Pirogova Str., Novosibirsk, 630090, Russian Federation
Institute of Physics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Akademgorodok, 50-38, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Chudin, O. S.; Verpekin, V. V.; Kondrasenko, A. A.; Burmakina, G. V.; Piryazev, D. A.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Pavlenko, N. I.; Zimonin, D. V.; Rubaylo, A. I.
}
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Magnetic resonance in Cu(hfac)2LR heterospin chain polymer complexes / G. A. Petrakovskii [et al.] // J. Struct. Chem. - 2006. - Vol. 47, Is. 3. - P. 447-452, DOI 10.1007/s10947-006-0321-9. - Cited References: 4 . - ISSN 0022-4766
Аннотация: Cu(hfac)2 chain polymer heterospin complexes with pyrazole-substituted nitronylnitroxides (LR, where R = Me, Et) with a composition Cu(hfac)2LR, exhibiting structural rearrangements with magnetic effects in the solid state at reduced temperatures, were studied by magnetic resonance. The magnetic resonance spectrum changes substantially for substituents of different types. The results of this study are discussed in the context of the cluster approach in view of the specific crystal structure of the compounds.

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Публикация на русском языке Магнитный резонанс в гетероспиновых цепочечно-полимерных комплексах Cu(HFAC)2LR [Текст] / Г. А. Петраковский [и др.] // Журн. структ. химии. - 2006. - Т. 47 № 3. - С. 462-467

Доп.точки доступа:
Petrakovskii, G. A.; Петраковский, Герман Антонович; Vorotynov, A. M.; Воротынов, Александр Михайлович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Shiyan, Ya. G.; Шиян, Ярослав Германович; Ovcharenko, V. I.; Овчаренко В. И.; Ikorskii, V. N.; Икорский В. Н.; Romanenko, G. V.; Романенко Г. В.; Fursova, E. Yu.; Фурсова Е. Ю.; Shimchak, R.; Шимчак Р.
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10.

    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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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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11.

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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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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12.

    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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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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13.

Rhodium(III) speciation in concentrated nitric acid solutions / D. Vasilchenko [et al.] // Eur. J. Inorg. Chem. - 2016. - Vol. 2016, Is. 23. - P. 3822-3828, DOI 10.1002/ejic.201600523. - Cited References:31. - This work was supported by the Russian Foundation for Basic Research (grant number 16-03-00549 A). D. V. thanks the Ministry for Education and Science of the Russian Federation for the award of a President of the Russian Federation for Young Scientists Fellowship. . - ISSN 1434-1948. - ISSN 1099-0682

РУБ Chemistry, Inorganic & Nuclear
Рубрики:
MAGNETIC-RESONANCE
   FISSION PLATINOIDS
   AQUEOUS-SOLUTIONS
   PT-195 NMR
   RH(III)
   SPECTROSCOPY
   CHEMISTRY
   DISSOCIATION
   PLATINUM(IV)
   COMPLEXES
Кл.слова (ненормированные):
Rhodium -- NMR spectroscopy -- Nitrates
Аннотация: The interaction of rhodium(III) aqua ions with nitrate ions in 3–16 m nitric acid solutions has been studied by 103Rh and 15N NMR and Raman spectroscopy. The mononuclear complexes [Rh(H2O)6–n(NO3)n]3–n (n = 1–4) were found to be the only form of rhodium(III) existing in the solutions with the metal concentration in the range 0.2–1.3 m. The dynamics of the H2O → NO3– substitution process was studied at 80 °C. An increase in the average number of nitrate groups bonded to rhodium with increasing concentration of nitric acid was also determined. The fine crystalline salt Rb4trans-[Rh(H2O)2(NO3)4][Rh(NO3)6] was obtained by solvothermal concentration of the rhodium nitric acid solution on addition of rubidium nitrate. The structure of the salt was solved by the powder X-ray diffraction method, with monodentate coordination of nitrato ligands found for both the [Rh(NO3)6]3– and trans-[Rh(H2O)2(NO3)4]– anions.

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Держатели документа:
Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia.
Novosibirsk State Univ, Novosibirsk 630090, Russia.
RAS, Inst Chem & Chem Technol, SB, Krasnoyarsk 660049, Russia.
RAS, Kirensky Inst Phys, SB, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Vasilchenko, D.; Vorob'eva, S.; Tkachev, S.; Baidina, I. A.; Belyaev, A.; Korenev, S.; Solovyov, L.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Russian Foundation for Basic Research [16-03-00549 A]; Ministry for Education and Science of the Russian Federation
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14.

    Hydrates [Na2(H2O)x](2-thiobarbiturate)2 (x = 3, 4, 5): crystal structure, spectroscopic and thermal properties / N. N. Golovnev [et al.] // J. Coord. Chem. - 2016. - Vol. 69, Is. 21. - P. 3219-3230, DOI 10.1080/00958972.2016.1228914. - Cited References:33. - This work was supported by the the Ministry of Education and Science of the Russian Federation for research engineering of the Siberian Federal University [grant number 3049]. . - ISSN 0095-8972. - ISSN 1029-0389
   Перевод заглавия: Гидраты [Na2(H2O)x](2-thiobarbiturate)2 (x = 3, 4, 5): кристаллическая структура, спектроскопические и термические свойства

РУБ Chemistry, Inorganic & Nuclear
Рубрики:
2-THIOBARBITURIC ACID
   COMPLEXES
   1,3-DIETHYL-2-THIOBARBITURATE
   TRANSFORMATION
   CESIUM
   Na
   Li
Кл.слова (ненормированные):
2-Thiobarbituric acid -- Sodium -- coordination compound -- X-ray diffraction -- infrared spectroscopy -- thermal analysis
Аннотация: The hydrates [Na2(H2O)3(Htba)2] (1) and [Na2(H2O)4(Htba)2] (2), where H2tba is 2-thiobarbituric acid, were obtained under different thermal conditions from aqueous solutions and were structurally characterized. The molecular and supramolecular structures were compared to the known structure of [Na2(H2O)5(Htba)2] (3). In polymeric 1–3, the Htba− ions are linked to Na+ through O and S forming octahedra. The decrease of the number of coordination water molecules led to an increase of the total number of bridge ligands (μ2-H2O, Htba−) and a change of the Htba− coordination. These factors induced higher distortion of the octahedra. It was assumed that hydrates, with a different number of coordinated water molecules, are more probable when the central metal has weaker bonds with O water molecules and with other ligands. The net topologies of 1–3 were compared. Thermal decomposition and IR spectra were analyzed for 1 and 2.

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Siberian Fed Univ, Dept Chem, Krasnoyarsk, Russia.
Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk, Russia.
Irkutsk Favorsky Inst Chem, Lab Phys Chem, Irkutsk, Russia.
Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk, Russia.
Tomsk State Univ, Funct Elect Lab, Tomsk, Russia.
Novosibirsk State Univ, Lab Semicond & Dielect Mat, Novosibirsk, Russia.

Доп.точки доступа:
Golovnev, N. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Sterkhova, Irina V.; Atuchin, V. V.; Sidorenko, Maxim Y.; Ministry of Education and Science of the Russian Federation [3049]
}
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15.

    Influence of alkyl substituents in 1,3-diethyl-2-thiobarbituric acid on the coordination environment in M(H2O)2(1,3-diethyl-2-thiobarbiturate)2 M = Ca2+, Sr2+ / N. N. Golovnev [et al.] // J. Coord. Chem. - 2016. - Vol. 69, Is. 6. - P. 957-965, DOI 10.1080/00958972.2016.1149168. - Cited References: 42. - The study was carried out within the public task of the Ministry of Education and Science of the Russian Federation for research engineering of the Siberian Federal University in 2015-2016. V.V.A. is grateful to the Ministry of Education and Science of the Russian Federation for the financial support of the investigation. . - ISSN 0095-8972
   Перевод заглавия: Влияние алкильных заместителей в 1,3-диэтил-2-2тиобарбитуровой кислоты на координационное окружение в M(H2O)2(1,3-диэтил-2-тиобарбутурат)2 M = Ca2+, Sr2+

РУБ Chemistry, Inorganic & Nuclear
Рубрики:
CRYSTAL-STRUCTURE
   2-THIOBARBITURIC ACID
   STRUCTURAL-CHARACTERIZATION
   THIOBARBITURIC ACID
   THERMAL-PROPERTIES
   HYDROGEN-BOND
   COMPLEXES
   DIFFRACTION
   NETWORKS
   POLYMERS
Кл.слова (ненормированные):
1,3-Diethyl-2-thiobarbituric acid -- alkaline earth metals -- coordination compound -- X-ray diffraction -- thermal analysis
Аннотация: Two new isostructural complexes, [Ca(H2O)2(μ2-Detba-O,O′)2]n (1) and [Sr(H2O)2(μ2-Detba-O,O′)2]n (2) (HDetba = 1,3-diethyl-2-thiobarbituric acid), were synthesized and characterized by single-crystal and powder X-ray diffraction analysis, TG-DSC, FT-IR, and emission spectroscopy. The single-crystal X-ray diffraction data revealed that 1 and 2 are polymeric where M2+ (M = Ca, Sr) is a six-coordinate octahedral binding four Detba− ions and two water molecules. The octahedra are linked through bridging Detba− ions forming a 2-D layer. Two intermolecular hydrogen bonds O–H…S in the crystal form a 3-D net. The comparison of M(Detba)2 and M(Htba)2 (H2tba = 2-thiobarbituric acid) structures showed that the coordination number of metals in M(Detba)2 does not exceed six and there are no π–π interactions, unlike compounds with Htba−; Detba− ions are only bridges in HDetba coordination compounds. Thermal decomposition of 1 and 2 includes dehydration, which mainly ends at 200 °C, and organic ligand oxidation at 300–350 °C with a release of CO2, SO2, H2O, NH3, and isocyanate. Upon excitation at 220 nm, 1 and 2 exhibit an intense emission maximum at 557 nm.

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Department of Chemistry, Siberian Federal University, Krasnoyarsk, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, Russian Federation
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, Novosibirsk, Russian Federation
Functional Electronics Laboratory, Tomsk State University, Tomsk, Russian Federation
Laboratory of Semiconductor and Dielectric Materials, Novosibirsk State University, Novosibirsk, Russian Federation

Доп.точки доступа:
Golovnev, N. N.; Головнёв, Николай Николаевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Samoilo, A. S.; Atuchin, V. V.
}
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16.

Calculation of the energy of binding of titanium and scandium complexes to the surface of carbon nanotubes / A. A. Kuzubov [et al.] // Russ. J. Phys. Chem. B. - 2009. - Vol. 3, Is. 4. - P. 679-683, DOI 10.1134/S1990793109040289. - Cited References: 27. - This work was supported by the analytical departmental program "Development of Higher Education Potential (2009-2100)" (grant 2.1.1/2584) and by the Russian Foundation for Basic Research, project no. 09-02-00324-a. . - ISSN 1990-7931

РУБ Physics, Atomic, Molecular & Chemical
Рубрики:
MOLECULAR-HYDROGEN COMPLEXES
   STORAGE
   TEMPERATURE
   TRANSITION
   DYNAMICS
   METALS
Аннотация: Complexes of zigzag-type carbon nanotubes (CNTs) with transition metal atoms, scandium and titanium, were studied. It was demonstrated that the energy of binding of both atoms with a carbon surface decreases whereas the rate of diffusion along the surface increases with increasing nanotube diameter. The rate constant of migration of scandium atoms over a CNT surface are several orders of magnitude higher than that for titanium atoms, because the CNT surface-Sc atom binding energy is substantially lower.

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Держатели документа:
Institute of Natural and Humanitarian Sciences, Siberian Federal University, Krasnoyarsk 660041, Russian Federation
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Siberian State Technological University, Krasnoyarsk 660049, Russian Federation

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Krasnov, P. O.; Краснов, Павел Олегович; Kozhevnikov, T. A.; Popov, M. A.; Analytical departmental program "Development of Higher Education Potential" [2.1.1/2584]; Russian Foundation for Basic Research [09-02-00324-a]
}
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17.

MALAKHOVSKII, A. V.
COVALENCY EFFECT IN A D-D TRANSITION IN OCTAHEDROL COMPLEXES / A. V. MALAKHOVSKII, G. G. VASILIEV // Fiz. Tverd. Tela. - 1982. - Vol. 24, Is. 2. - P. 585-588. - Cited References: 12 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
VASILIEV, G. G.
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18.

Sobol, A. A.
Raman spectroscopy of crystalline, glassy, and molten states of lead diborate / A. A. Sobol, V. E. Shukshin, A. I. Zaitsev // Opt. Spectrosc. - 2016. - Vol. 121, Is. 6. - P. 810-818, DOI 10.1134/S0030400X16120249. - Cited References: 30. - This work was performed with financial support from RFBR, research project no. 13-02-00707. . - ISSN 0030-400X
Кл.слова (ненормированные):
Boron -- Crystalline materials -- Raman scattering -- Single crystals -- Internal vibration -- Molten state -- Oxygen complexes -- Phonon lines -- Polarized Raman spectra -- Glass
Аннотация: Polarized Raman spectra of single crystals of lead diborate, PbB4O7 (PBO), are studied in detail at 300 K. The TO-, LO-, and IO-phonon lines of the A1, A2, B1, and B2 symmetries in the Raman spectra of this compound are assigned. Changes in the Raman spectra of the internal vibrations of boron–oxygen complexes upon transition from the crystalline to the glassy and the molten states of PBO are observed. On the basis of the obtained results, the regularities in the formation of boron–oxygen complexes in glasses, melts, and crystals of the PbO · 2B2O3, SrO · 2B2O3, and Li2O · 2B2O3. diborate compositions are analyzed. © 2016, Pleiades Publishing, Ltd.

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Публикация на русском языке Соболь А. А. Спектроскопия комбинационного рассеяния света в кристаллическом, стеклообразном и расплавленном состояниях дибората свинца [Текст] / А. А. Соболь, В. Е. Шукшин, А. И. Зайцев // Оптика и спектроскопия : Наука, 2016. - Т. 121 № 6. - С. 871–880

Держатели документа:
Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow, Russian Federation
Kirensky Institute of Physics, Siberian Branch of Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Shukshin, V. E.; Zaitsev, A. I.; Зайцев, Александр Иванович
}
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19.

Polymeric lithium(I) diaquabarbiturate: Crystal structure / N. N. Golovnev [et al.] // Russ. J. Inorg. Chem. - 2017. - Vol. 62, Is. 6. - P. 746-750, DOI 10.1134/S0036023617060092. - Cited References:23. - This work was performed in the Siberian Federal University within the State task of the Ministry of Education and Science of the Russian Federation for the period of 2014-2016 (project no. 3049). . - ISSN 0036-0236. - ISSN 1531-8613

РУБ Chemistry, Inorganic & Nuclear
Рубрики:
IONIC CO-CRYSTALS
   BARBITURIC-ACID
   COMPLEXES
   NA
   LI
Аннотация: The lithium(I) catena-diaquabarbiturate complex [Li(H2O)2(HBA–O,O′)]n (I), where Н2ВА is barbituric acid, has been structurally characterized by X-ray diffraction (CIF file CCDC no. 1447689), and its thermal decomposition and IR spectrum have been studied. Crystals of complex I are monoclinic, a = 6.4306(7) Å, b = 16.720(1) Å, c = 7.1732(8) Å, β = 108.253(4)°, V = 732.5(1) Å3, space group P21/c, and Z = 4. One independent μ2-bridging HBA– ligand is coordinated to two Li(I) ions via the two oxygen atoms of C4(6)=O carbonyl groups. Each Li+ ion is linked with two μ2-HBA– ions and two terminal water molecules at tetrahedron vertices. μ2-HBA– ions link tetrahedra into a chain. The structure is stabilized by multiple hydrogen bonds and π–π-interaction between HBA–. The shift of ν(C=O) vibration bands in the IR spectrum of complex I in comparison with Н2ВА towards lower frequencies agrees with the coordination of HBA– via oxygen atoms. The dehydration of complex I occurs in two stages in the regions of 100–150 and 150–240°C.

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Публикация на русском языке Кристаллическая структура полимерного диаквабарбитурата лития(I) [Текст] / Н. Н. Головнев [и др.] // Журн. неорг. химии : Наука, 2017. - Т. 62 № 6. - С. 761-765

Держатели документа:
Siberian Fed Univ, Svobodnyi Pr 79, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Akademgorodok 50-38, Krasnoyarsk 660036, Russia.
Far Eastern State Transport Univ, Ul Serysheva 47, Khabarovsk 680021, Russia.
Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Akademgorodok 50-24, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Golovnev, N. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Lesnikov, M. K.; Vereshchagin, S. N.; Ministry of Education and Science of the Russian Federation [3049]
}
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20.

Ion-exchange sorption of silver(I) chloride complexes from aqueous HCl solutions / O. N. Kononova [et al.] // Russ. J. Phys. Chem. A. - 2017. - Vol. 91, Is. 12. - P. 2383-2388, DOI 10.1134/S0036024417120135. - Cited References: 31 . - ISSN 0036-0244
Кл.слова (ненормированные):
silver -- anionites -- hydrochloric acid solutions -- sorption
Аннотация: The ion-exchange sorption of silver(I) chloride complexes from 1–4 M aqueous solutions of HCl on a series of Purolite anionites with various functional groups was studied. The ion-exchange equilibria in the systems were found to be anomalous according to Raman spectroscopy, which does not significantly affect the sorption properties of the ionites.

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Institute of Nonferrous Metals and Materials Science, Siberian Federal University, Krasnoyarsk, Russian Federation
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kononova, O. N.; Duba, E. V.; Medovikov, D. V.; Efimova, A. S.; Ivanov, A. I.; Krylov, A. S.; Крылов, Александр Сергеевич
}
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