fac , cis ‐Bromidotricarbonylbis(tribenzylphosphine)rhenium(I)
Author(s) -
Beckett Michael A.,
Light Mark E.,
Brassington David S.,
ThorntonPett Mark
Publication year - 2007
Publication title -
acta crystallographica section e
Language(s) - English
Resource type - Journals
ISSN - 1600-5368
DOI - 10.1107/s160053680700726x
Subject(s) - rhenium , recrystallization (geology) , chemistry , octahedron , hexane , cis–trans isomerism , trans effect , octahedral molecular geometry , stereochemistry , medicinal chemistry , crystallography , crystal structure , inorganic chemistry , organic chemistry , geology , paleontology
Crystals of the title compound, fac , cis ‐[ReBr(C 21 H 21 P) 2 (CO) 3 ], were obtained by recrystallization of a sample from CHCl 3 layered with hexane. The geometry about the d 6 Re I centre is (distorted) octahedral with the three CO ligands fac and the two tribenzylphosphine ligands cis . In accordance with the trans influence, the Re—C bond trans to Br is significantly shorter than those trans to the organophosphine ligands.
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