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Synthesis, structure and characterization of heterometal VFe3S4 cubane-like cluster compound (Et4N)[VFe3S4(Et(2)dtc)(4)]

被引：17
作者：
Deng, YH
Liu, QT
Chen, CN
Wang, YT
Cai, YB
Wu, DX
Kang, BS
Liao, DZ
Cui, JZ
机构：
[1] CHINESE ACAD SCI, FUJIAN INST RES STRUCT MATTER, STATE KEY LAB STRUCT CHEM, FUZHOU 350002, PEOPLES R CHINA
[2] NANKAI UNIV, STATE KEY LAB ELEMENTOORGAN CHEM, TIANJIN 300071, PEOPLES R CHINA
来源：
POLYHEDRON | 1997年 / 16卷 / 23期
基金：
中国国家自然科学基金;
关键词：
vanadium complex; iron complex; heterometallic complex; structure; magnetism;
D O I：
10.1016/S0277-5387(97)00157-5
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A cubane-type cluster (Et4N) [VFe3S4(Et(2)dtc)(4)] has been synthesized from a self-assembly reaction system VS43-/FeCl2/Et(2)dtc(-)/PhS- in acetonitrile (Et(2)dtc(-) = diethyldithiocarbamate). The compound has been structurally characterized by X-ray crystallography. Mossbauer and structural parameters have been used to deduce the oxidation states of the metal atoms in [VFe3S4](3+) core indicating that there are three Fe atoms with mean oxidation state of ca +2.8. Proton NMR spectrum indicates the paramagneticity of the cluster. The chemical shift of V-51 NMR was observed at -210 ppm. Variable-temperature magnetic susceptibility measurement reveals an antiferromagnetic interaction in the VFe3 coupling system. (C) 1997 Elsevier Science Ltd.
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页码：4121 / 4128
页数：8
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