Dinuclear and tetranuclear oxo-bridged iron(III) complexes of the ambidentate ligand 3-(2-pyridyl)-pyrazole

被引：47
|
作者：
Jones, PL
Jeffery, JC
McCleverty, JA
Ward, MD
机构：
[1] School of Chemistry, University of Bristol, Cantock's Close
来源：
POLYHEDRON | 1997年 / 16卷 / 09期
基金：
英国工程与自然科学研究理事会;
关键词：
iron-oxo complexes; pyrazolate bridge; polynuclear complexes; crystal structures;
D O I：
10.1016/S0277-5387(96)00457-3
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The crystal structures of [Fe-4(III)(HL)(2)(L)(6)(mu-O)(2)[PF6](2) . 4MeCN (1 . 4MeCN) and [Fe-2(III)(HL)(4) (OSO3)(2)(mu-O)]. 2MeOH . 3H(2)O (2 . MeOH . 3H(2)O) have been determined [HL is the ambidentate, potentially terdentate ligand 3-(2-pyridyl)-pyrazole] : complex 2 is a conventional mu-oxo-diiron(III) complex in which HL acts as a bidentate chelate and the sulfate ligands are monodentate, but 1 is effectively a dimer containing two mu-oxo-diiron(III) cores linked by deprotonated ligands L(-) which are bridging via the two N atoms of the pyrazolate rings. (C) 1997 Elsevier Science Ltd.
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页码：1567 / 1571
页数：5
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