An Fe(III) complex with the dianionic form of 2,6-diacetylpyridine bis(acylhydrazone). The crystal structure of [diaqua-2 ',2 ''-(2,6-pyridinediyldiethylidyne)dioxamo-hydrazide]iron(III) perchlorate trihydrate, [Fe(dapsox)(H2O)(2)]ClO4 center dot 3H(2)O
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The title compound was prepared by a template synthesis from 2,6-diacetylpyridine, dioxamohydrazide and Fe(ClO4)(3) . 6H(2)O (mol ratio 1: 2: 1) in MeOH/H2O (3:1) solution and its structure determined by single-crystal X-ray diffraction; triclinic, space group P (1) over bar, a= 7.5186(7), b = 10.9730(9), c = 14.6110(10) Angstrom, alpha = 95.866(1), beta = 100.252(1), gamma = 92.895(1), z = 2. The polydentate ligand is coordinated as a dianionic pentadentate while water molecules occupy apical positions in the structure. This is the first example of a monomeric, pentagonal bipyramidal structure of an Fe(III) complex with a dianionic bis(acylhydrazone) derivative of 2,6-diacetylpyridine.
Кључне речи:Fe(III) / bis(acylhydrazone) / X-ray structure
Извор:Journal of Coordination Chemistry, 2002, 55, 12, 1385-1392
- Taylor & Francis Ltd, Abingdon