Издательство СО РАН

Издательство СО РАН

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Поиск по журналу

Журнал структурной химии

2014 год, номер 2

TWO MONONUCLEAR MOLYBDENUM(VI) OXO COMPLEXES WITH TRIDENTATE HYDRAZONE LIGANDS: SYNTHESIS, STRUCTURES, AND THERMAL STABILITY

S.-S. Qian1, H.-H. Li2, Y.-N. Li2, Z.-L. You2, H.-L. Zhu1
1Shandong University of Technology, ZiBo 255049, P. R. China
hailiang_zhu@163.com
2Liaoning Normal University, Dalian 116029, P. R. China
youzhonglu@yahoo.com.cn
Ключевые слова: molybdenum complex, hydrazone ligand, crystal structure, X-ray diffraction
Страницы: 353-357
Подраздел: КРИСТАЛЛОХИМИЯ

Аннотация

A reaction of [MoO2(acac)2] (where acac = acetylacetonate) with two hydrazone ligands in methanol yields two mononuclear molybdenum(VI) oxo complexes with the general formula [MoO2L(CH3OH)], where L = L1=(4-nitrophenoxy)acetic acid [1-(5-chloro-2-hydroxyphenyl)methylidene]hydrazide (H2L1) and L = L2=4-dimethylaminobenzoic acid [1-(2-hydroxy-3-methoxyphenyl)methylidene]hydrazide (H2L2). The crystal and molecular structures of the complexes are determined by the single crystal X-ray diffraction method. All of the investigated compounds are further characterized by the elemental analysis, FT-IR spectra, and thermogravimetric analyses. Single crystal X-ray structural studies indicate that hydrazone ligands coordinate to MoO2 cores through enolate oxygen, phenolate oxygen, and azomethine nitrogen atoms. The Mo atoms in both complexes are in octahedral coordination.