Coordination compounds of cobalt(II), nickel(II), and copper(II) with 4-(3-hydroxyphenyl)-1,2,4-triazole: Synthesis and study

被引:0
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作者
E. V. Lider
E. V. Peresypkina
L. G. Lavrenova
L. A. Sheludyakova
A. I. Smolentsev
V. N. Ikorskii
T. I. Yaroshenko
V. N. Elokhina
机构
[1] Russian Academy of Sciences,Nikolaev Institute of Inorganic Chemistry, Siberian Division
[2] Novosibirsk State University,Favorskii Institute of Chemistry, Siberian Division
[3] Russian Academy of Sciences,undefined
关键词
Triazole; Coordination Chemistry; Coordination Compound; Complex Cation; Compound IIIa;
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摘要
New Co(II), Ni(II), and Cu(II) complexes with 4-(3-hydroxyphenyl)-1,2,4-triazole (L) with the compositions [Co3L6(H2O)5(C2H5OH)](NO3)6 · 2H2O · C2H5OH (I), [Ni3L6(H2O)6](NO3)6 · 2H2O (II), and [M3L6(H2O)6](ClO4)6 · nH2O (M = Co2+, n = 2 (III); Ni2+, n = 2 (IV); Cu2+, n = 0 (V)) are synthesized. The complexes are studied by X-ray structure analysis, X-ray diffraction analysis, UV and IR spectroscopy, and the statistical magnetic susceptibility method. All compounds have the linear trinuclear structure. Ligand L is coordinated to the metal ions by the N(1) and N(2) atoms of the heterocycle according to the bidentate bridging mode. In all compounds the coordination polyhedron of the metal atom is a distorted octahedron. The molecular and crystal structures of compound I, [Co3L6(H2O)6](ClO4)6 · 8C2H5OH (IIIa), and [Ni3L6(H2O)6](ClO4)6 · 8C2H5OH (IVa) are determined.
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页码:337 / 346
页数:9
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