SPECTROSCOPIC, ELECTROCHEMICAL AND QUANTUM-MECHANICAL INVESTIGATIONS OF VANADYL(IV)-ACETYLACETONATE IN NONAQUEOUS SOLUTIONS

被引:26
|
作者
LINERT, W [1 ]
HERLINGER, E [1 ]
MARGL, P [1 ]
BOCA, R [1 ]
机构
[1] SLOVAK UNIV TECHNOL BRATISLAVA, DEPT INORGAN CHEM, CS-81237 BRATISLAVA, SLOVAKIA
关键词
SOLVATOCHROMISM; VIBRATIONAL SPECTROSCOPY; QUASI-RELATIVISTIC INDO-CALCULATIONS; VANADIUM(IV); ACETYLACETONE;
D O I
10.1080/00958979308035139
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Adduct formation between bis(acetylacetonato)oxovanadium(IV), (VO(acac)2), and various solvents has been studied. Electronic, IR- and Far IR spectra are reported and interpreted in terms of solvate formation. Formation constants are estimated from Far IR-spectra. Evidence was obtained for a cis-trans-equilibrium of pyridine solvates in solution. The 1:1-adducts with pyridine, N,N-dimethylformamide, N,N-dimethylacetamide and dimethylsulfoxide were obtained in crystalline form. Acetonitrile, acetone and diethylketone formed non-stoichiometric solvates. Cyclic voltammetric data in different solvents are reported and interpreted.
引用
收藏
页码:1 / 16
页数:16
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