Издательство СО РАН

Издательство СО РАН

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Поиск по журналу

Журнал структурной химии

2016 год, номер 4

SUBSTITUENT GROUP EFFECTS ON THE SELF-ASSEMBLY OF OXOVANADIUM(V) COMPLEXES WITH HYDRAZONE LIGANDS BEARING BENZOIC ACID (1-METHYL-3-OXOBUTYLIDENE)HYDRAZIDE BACKBONES

Y.-M. Cui1, D. Yang1, W. Guo2, Q. Wang1, P. Zhang1
1Wuhan Textile University, Wuhan 430073, P. R. China
cym981248@hotmail.com
2Chinese Sturgeon Institute, China Three Gorges Corporation, Yichang 443100, P. R. China
Ключевые слова: hydrazone ligands, oxovanadium(V) complex, self-assembly, substituent effects, crystal structure
Страницы: 877-881

Аннотация

An oxo-bridged dinuclear oxovanadium(V) complex, [V2O2(m-O)(L1)2] (1) [H2L1 = 3-nitrobenzoic acid (1-methyl-3-oxobutylidene)hydrazide], and a mononuclear oxovanadium(V) complex, [VO(OMe)(L2)] (2) [H2L2 = 3-hydroxynaphthalene-2-carboxylic acid (1-methyl-3-oxobutylidene)hydrazide], were prepared by the reactions of [VO(acac)2] with H2L1 and H2L2, respectively, in methanol. Both complexes were characterized by elemental analysis, IR spectra, and single crystal X-ray crystallography. The crystal of 1 crystallizes in the monoclinic space group P 2/ n , with a = 13.116(3), b = 7.597(2), c = 13.927(2) Å, b = 104.851(2)°, V = 1341.4(5) Å3, Z = 2. The crystal of 2 crystallizes in the triclinic space group P , with a = 7.897(2), b = 9.690(2), c = 11.576(3) Å, a = 86.405(2)°, b = 70.597(2)°, g = 85.991(2)°, V = 832.7(3) Å3, Z = 2. The V atoms in the complexes have square pyramidal environment. The substituent groups attached to the aromatic rings can influence the self-assembly of the complexes.

DOI: 10.15372/JSC20160434