Please use this identifier to cite or link to this item: https://doi.org/10.1107/S0108270196012073
Title: Two chloro-bridged osmium clusters
Authors: Leong, Weng Kee 
Einstein, Frederick W.B.
Pomeroy, Roland K.
Issue Date: 1-Jan-1997
Citation: Leong, Weng Kee, Einstein, Frederick W.B., Pomeroy, Roland K. (1997-01-01). Two chloro-bridged osmium clusters. Acta Crystallographica, Section C: Crystal Structure Communications 53 (pt 1) : 24-27. ScholarBank@NUS Repository. https://doi.org/10.1107/S0108270196012073
Abstract: The molecular structure of the chloro-bridged tetra-osmium cluster, dodecacarbonyl-1κ3C,2κ3C,3κ3 C,4κ3C-μ-chloro-3:4κ3 Cl-tris-μ-hydrido-1: 2κ2H;1:3κ2H;2:4κ2 H-tetraosmium(5 Os-Os), [Os4(μ-Cl)(μ-H)3(CO)12], consists of a 'butterfly' arrangement of Os atoms, just as in the iodo analogue. The chloro bridge in the tetraosmium cluster is symmetric, whereas in the pentaosmium cluster, tetradecacarbonyl-1κ3C,2κ2C,3κ3 C,4κ3C,5κ3-μ-chloro-2:5κ2 Cl-tris-μ-hydrido-1:2κ2H;2:3 κ2H;2:4κ2 H-pentaosmium(8 Os-Os), [Os5(μ-Cl)(μ-H)3(CO)14], it is distinctly asymmetric. This asymmetry is attributed to the trans influence of a carbonyl ligand, which lengthens the trans-Os-Cl bond.
Source Title: Acta Crystallographica, Section C: Crystal Structure Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/95364
ISSN: 01082701
DOI: 10.1107/S0108270196012073
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