STUDIES OF SOME NIOBIUM AND TANTALUM HEXAISOTHIOCYANATE COMPLEXES

被引：24

作者：

KNOX, GF

BROWN, TM

机构：

[1] Department of Chemistry, Arizona State University, Tempe

来源：

INORGANIC CHEMISTRY | 1969年 / 8卷 / 07期

关键词：

D O I：

10.1021/ic50077a006

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reaction of potassium thiocyanate with NbCl5, NbCl4, and TaCl5 in acetonitrile gives the complex anions Nb(NCS)-6, Nb(NCS)2-6, and Ta(NCS)-6, respectively. Metatheses between KM(NCS)6 (M = Nb, Ta) and tetrabutylammonium chloride and tetraphenylarsonium chloride give rise to compounds containing these cations. Infrared data indicate that the thiocyanate groups are nitrogen bonded in all cases. A detailed study of the conductance of these compounds in acetonitrile showed that dissociation takes place at low concentrations which must be taken into account when interpreting the visible-ultraviolet spectra. © 1969, American Chemical Society. All rights reserved.

引用

页码：1401 / &

共 22 条

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