Synthesis and structure of a novel mononuclear tungsten (VI) citrato complex, (NH4)3[Li(H2O)3WO3(C6H4O7)]

被引：9
|
作者：
Xu, JQ [1 ]
Li, DM
Xing, YH
Wang, RZ
Liu, SQ
Wang, TG
Xing, Y
Lin, YH
Jia, HQ
机构：
[1] Jilin Univ, Dept Chem, Changchun 130023, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Appl Chem, Changchun 130022, Peoples R China
来源：
JOURNAL OF COORDINATION CHEMISTRY | 2001年 / 53卷 / 01期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
synthesis; crystal structure; mononuclear complexes; tungsten; citric acid;
D O I：
10.1080/00958970108022598
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The first mononuclear tungsten-citrato complex, (NH4)(3)[Li(H2O)(3)WO3(C6H4O7)] (1) has been prepared by the reaction of ammonium tetrathio tungstate and lithium citrate in CH3OH - H2O solution at pH 8.2. There are two crystallographically independent anions in the asymmetric crystallographic unit. The crystal structure of the title compound (triclinic, space group P (1) over bar, a = 6.901(1), b = 15.136(3), c = 16.107(3) Angstrom, alpha = 75.85(3), beta = 89.89(3), gamma = 89.97(3), V = 1631.4(6) Angstrom (3), R = 0.068, R-w = 0.1674 for 3878 reflections with I > 2 sigma (1)), reveals that in the compound a tungsten atom is coordinated to a fully deprotonated citrate as a tridentate ligand and three terminal oxygen atoms to form a distorted coordination octahedron.
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收藏
页码：25 / 33
页数：9
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