MAGNETIC STUDIES ON THE MU-OXALATO NICKEL(II) DIMERS WITH AN [NIN4O2] ENVIRONMENT - CRYSTAL-STRUCTURE OF (MU-OX)[NI(323-TET)](2)(CLO4)(2)CENTER-DOT-2H(2)O (323-TET=N,N'-BIS(3-AMINOPROPYL)-1,2-ETHANEDIAMINE)

被引：32

作者：

ESCUER, A ^{[1
]}

VICENTE, R ^{[1
]}

ELFALLAH, MS ^{[1
]}

JAUD, J ^{[1
]}

机构：

[1] CNRS,CTR ELABORAT MAT & ETUD STRUCT,F-31055 TOULOUSE,FRANCE

来源：

INORGANICA CHIMICA ACTA | 1995年 / 232卷 / 1-2期

关键词：

NICKEL COMPLEXES; OXALATO COMPLEXES; POLYNUCLEAR COMPLEXES; ANTIFERROMAGNETIC COUPLING; CRYSTAL STRUCTURES;

D O I：

10.1016/0020-1693(94)04378-9

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Three nickel(II) dinuclear oxalato-bridged compounds (mu-ox)[Ni(232-tet)](2)(ClO4)(2) (1), (mu-ox)[Ni(323-tet)](2)(ClO4)(2).2H(2)O (2) and (mu-ox)[Ni(333-tet)](2)(ClO4)(2).3H(2)O (3) have been characterized. 232-tet, 323-tet and 333-tet are the tetramminate ligands N,N'-bis(2-aminoethyl)-1,3-propanediamine,N,N'-bis(3-aminopropyl)-1,2-ethanediamine and N,N'-bis(aminopropyl)-1,3-propane-diamine, respectively. Complex 2 crystallizes in the monoclinic system, space group P2(1)/n, a = 8.143(4), b = 12.019(5), c = 16.664(6) Angstrom, beta = 96.2(1), V = 1621 Angstrom(3), Z = 2, R = 0.036, R(w) = 0.040. Magnetic measurements (300-4 K), show that the three compounds are antiferromagnetically coupled, J = -32.1, -28.9 and -20.6 cm(-1) for 1, 2 and 3, respectively.

引用

页码：151 / 156

页数：6

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