A NEW-TYPE OF HEXANUCLEAR IRON(III) HYDROXO(OXO) CLUSTER

被引：52
|
作者：
HARDING, CJ
HENDERSON, RK
POWELL, AK
机构：
[1] UNIV E ANGLIA, SCH CHEM SCI, NORWICH NR4 7TJ, NORFOLK, ENGLAND
[2] OPEN UNIV, DEPT CHEM, MILTON KEYNES MK7 6AA, BUCKS, ENGLAND
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 1993年 / 32卷 / 04期
关键词：
D O I：
10.1002/anie.199305701
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Bridging μ3‐oxo and μ2‐hydroxo ligands characterize the structure of the cluster anion 1, which can be prepared as a highly soluble K or Na salt in water. The structure of 1 can be viewed as two parallel, μ3‐oxo‐bridged Fe3 triangles joined by μ‐hydroxo bridges or as two Fe4 butterfly structures with shared wing tips. Cluster 1 has more short FeFe separations than all other related compounds, and its effective magnetic moment μeff increases dramatically at low temperatures. This magnetic behavior is not completely understood. (Formula Presented.) Copyright © 1993 by VCH Verlagsgesellschaft mbH, Germany
引用
收藏
页码：570 / 572
页数：3
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