Molecular structure of trans-[Co(NH3)4(NH2CH3)Cl](ClO4)2

被引：0
|
作者：
Fabián Benzo
Beatríz Sienra
Oscar E. Piro
机构：
[1] Química Inorgánica,Departamento de Física, Facultad de Ciencias Exactas
[2] Facultad de Química,undefined
[3] C.C,undefined
[4] Universidad Nacional de La Plata and Programa PROFIMO (CONICET),undefined
来源：
Journal of Chemical Crystallography | 1998年 / 28卷
关键词：
Co(III) complex; crystal structure; kinetics; steric effects;
D O I：
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摘要：
The title compound crystallizes in the orthorhombic space group Pnma, with a = 7.9209(5), b = 9.818(1), c = 16.867(2) Å, and Z = 4. The structure was solved employing 1864 independent x-ray reflections with I>2σ(I) by Patterson and difference Fourier techniques and refined by full-matrix least-squares to R = 0.036. The trans-[CO(NH3)4(NH2CH3)Cl](ClO4)2 molecule is on a crystallographic mirror plane. The cobalt ion is in an elongated octahedral coordination with four equatorial ammonia ligands [average Co–N distance equal to 1.966(2) Å], an axial methylamine [Co–N=1.965(3)Å], and an axial chlorine ion [Co–Cl=2.2771(9)Å]. Kinetic steric effects of the complex are interpreted in terms of structural results.
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页码：69 / 72
页数：3
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