Reactions of chromium(III) complexes with ferricyanide. Magnetism of K2[Cr(salen)(H2O)][Fe(CN)6]·H2O and the crystal structure of [trans-Cr(tn)2Cl2]3[Fe(CN)6]·6H2O [salen2- = N,N'-ethylenebis(salicylideneaminato) dianion, tn = 1,3-diaminopropane]

Two Cr^sup III^-Fe^sup III^ complexes, K^sub 2^[Cr(salen)(H^sub 2^O)][Fe(CN)^sub 6^]·H^sub 2^O (1) and [trans-Cr(tn)^sub 2^Cl^sub 2^]^sub 3^[Fe(CN)^sub 6^]·6H^sub 2^O (2), have been prepared. Crystal structure determination shows that complex (2) possesses an ionic salt structure. General physical m...

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Published in:Transition metal chemistry (Weinheim) 2001-08, Vol.26 (4-5), p.457
Main Authors: Kou, Hui-zhong, Gao, Dong-zhao, Bu, Wie-ming, Fan, Yu-guo, Liao, Dai-zheng, Cheng, Peng, Jiang, Zong-hui, Yan, Shi-ping, Wang, Geng-lin, Li, Tian-jian, Tang, Jin-kui
Format: Article
Language:English
Subjects:
Crystal structure
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Summary:Two Cr^sup III^-Fe^sup III^ complexes, K^sub 2^[Cr(salen)(H^sub 2^O)][Fe(CN)^sub 6^]·H^sub 2^O (1) and [trans-Cr(tn)^sub 2^Cl^sub 2^]^sub 3^[Fe(CN)^sub 6^]·6H^sub 2^O (2), have been prepared. Crystal structure determination shows that complex (2) possesses an ionic salt structure. General physical measurements and magnetic studies indicate that (1) assumes a cyanide-bridged dinuclear structure, and that the Cr^sup III^-Fe^sup III^ magnetic coupling through the cyanide bridge is antiferromagnetic, which can be rationalized by the overlap of magnetic orbitals of the same symmetry.[PUBLICATION ABSTRACT]
ISSN:0340-4285
1572-901X
DOI:10.1023/A:1011080110767