Acta Crystallographica Section C

Crystal Structure Communications

Volume 59, Part 4 (April 2003)

metal-organic compounds

 

A 1,2,4-diazaphospholane complex of rhodium

R. W. Clark, I. A. Guzei, W. C. Jin and C. R. Landis

Abstract: The crystal structure of a prospective olefin catalyst, namely {2-[1-acetyl-5-(2-hydroxyphenyl)-4-phenyl-1,2,4-diazaphospholan-3-yl]phenyl acetate-P}chloro(⁴-cycloocta-1,5-diene)rhodium(I) dichloromethane solvate, [RhCl(C₈H₁₂)(C₂₄H₂₃N₂O₄P)]·CH₂Cl₂, has been determined at 173 K. The five-membered heterocycle of the phosphine ligand is in a slightly distorted twist conformation. An intramolecular N1-H1Cl1 hydrogen bond contributes to the adopted conformation and may additionally participate in secondary interactions with substrates during catalysis.

Formula: [RhCl(C₈H₁₂)(C₂₄H₂₃N₂O₄P)]·CH₂Cl₂

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