PREPARATION AND STRUCTURE OF BIS(TETRAPHENYLARSONIUM) TRANS-AQUATETRACYANONITRIDOTECHNETATE(V) PENTAHYDRATE - ESR STUDIES OF THE [TCN(CN)4(OH2)]2- [TCNCL4]- SYSTEM

被引：22

作者：

BALDAS, J ^{[1
]}

BOAS, JF ^{[1
]}

COLMANET, SF ^{[1
]}

MACKAY, MF ^{[1
]}

机构：

[1] LA TROBE UNIV,DEPT CHEM,BUNDOORA,VIC 3083,AUSTRALIA

来源：

INORGANICA CHIMICA ACTA | 1990年 / 170卷 / 02期

关键词：

D O I：

10.1016/S0020-1693(00)80480-6

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reaction of (AsPh4)[TcNCl4] with KCN and added AsPh4Cl in CH3CN/H2O yields crystals of (AsPh4)2[TcN(CN)4(OH2)]·5H2O (1). The complex crystallises in the monoclinic space group P21/n with a=17.107(5), b=19.965(7), c=15.473(5)Å, β= 101.70(2)° and Z=4. Refinement with 3212 data measured with Cu Kα radiation converged at R= 0.065. The geometry of the anion is distorted octahedral with a water molecule coordinated trans to the nitrido ligand (TcOH2, 2.56(1) Å). The TcN distance is 1.60(1) Å. ESR studies have established the presence of two paramagnetic intermediates in the conversion of [TcN(CN)4(OH2)]2- to [TcNCl]4- in HCl solutions. © 1990.

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页码：233 / 239

页数：7

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