Synthesis, characterization and X-ray crystal structures of two polymorphs of a cobalt(III) complex with a N3O2 pentadentate Schiff base ligand, and benzylamine: spectral and electrochemical studies

被引：0
|
作者：
Farzaneh Fadaee
Mehdi Amirnasr
Kurt Schenk-Joß
机构：
[1] Isfahan University of Technology,Department of Chemistry
[2] CCC-IPSB,École Polytechnique Fédérale de Lausanne
来源：
Journal of the Iranian Chemical Society | 2013年 / 10卷
关键词：
Cobalt(III) complex; Pentadentate Schiff base ligand; Polymorphs; Crystal structure; Cyclic voltammetry;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The title complex [CoIII{(naph)2dpt}(bzlan)]BPh4, where (naph)2dpt stands for bis-(2-hydroxy-1-naphthaldimine)-N-dipropylenetriamine dianion and bzlan for benzylamine, has been synthesized and characterized by elemental analyses, IR, UV–Vis and 1H NMR spectroscopy. The structures of two possibly concomitant polymorphs, obtained from methanolic solution, [polymorph I (monoclinic, centrosymmetric, red-brown, thickish prismatic platelets) and polymorph II (orthorhombic, noncentrosymmetric, ochre olive-green, thin laths)] have been determined by X-ray crystallography. The geometry around the central cobalt ion is distorted octahedral in both polymorphs, but the benzylamine shows different kinds of orientation and disorder.
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页码：1067 / 1074
页数：7
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