Synthesis, structure and EPR spectra of (NBu4)2[(OH2)Br4ReNReBr4NReBr4(OH2)]

被引：13

作者：

Abram, U ^{[1
]}

Voigt, A

Kirmse, R

机构：

[1] Dresden Univ Technol, Inst Analyt Chem, Inst Biochem, Forschungszentrum Rossendorf, D-01062 Dresden, Germany

[2] Univ Leipzig, Inst Inorgan Chem, D-04103 Leipzig, Germany

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 1998年 / 1卷 / 06期

关键词：

crystal structures; rhenium complexes; nitrido complexes;

D O I：

10.1016/S1387-7003(98)00057-4

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reaction of (NBu4)[ReNBr4] with BBr3 in CH2Cl2 gives purple crystals of (NBu4)(2)[(OH2) Br4ReNReBr4NReBr4(OH2) ]. The centrosymmetric complex anion is formed by three ReBr4 units which are linked by two asymmetric nitrido bridges with Re-N distances of 1.69(2) and 2.00(2) Angstrom. The coordination spheres of the terminal Re atoms are completed by water ligands. The EPR spectra of the trimer suggest a d(2)-d(1)-d(2) sequence for the Re atoms. The g, A(Re) and A(Br) tensor components deviate from those of [ReNBr4](-) and indicate an increase in the Re-Br covalency. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：213 / 216

页数：4

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