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Carbonyl-chlorido(1-methyl-sulfanylpenta-1,3-dien-1-yl-5-yl-idene)bis-(triphenyl-phosphane)osmium(II).

ABSTRACT: The crystal structure of the title compound, [Os(C(6)H(7)S)Cl(C(18)H(15)P)(2)(CO)], confirms the formulation as an osmabenzene. There is a slightly distorted octa-hedral coordination environment at the Os(II) ion, with the triphenyl-phosphane ligands mutually trans and the chloride cis to the carbon bearing the -SMe substituent. Within the metallacyclic ring, the C-C distances are appropriate for aromatic bonds and the two Os-C distances are shorter than typical Os-C single bonds. The maximum deviation from the least-squares plane through the osmabenzene ring occurs for the carbon bearing the SMe substituent [0.1037?(18)?Å].

SUBMITTER: Johns PM

PROVIDER: S-EPMC2971168 | biostudies-literature | 2009 Oct

REPOSITORIES: biostudies-literature

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Carbonyl-chlorido(1-methyl-sulfanylpenta-1,3-dien-1-yl-5-yl-idene)bis-(triphenyl-phosphane)osmium(II).

Johns Paul M PM Roper Warren R WR Woodgate Scott D SD Wright L James LJ

Acta crystallographica. Section E, Structure reports online 20091007 Pt 11

The crystal structure of the title compound, [Os(C(6)H(7)S)Cl(C(18)H(15)P)(2)(CO)], confirms the formulation as an osmabenzene. There is a slightly distorted octa-hedral coordination environment at the Os(II) ion, with the triphenyl-phosphane ligands mutually trans and the chloride cis to the carbon bearing the -SMe substituent. Within the metallacyclic ring, the C-C distances are appropriate for aromatic bonds and the two Os-C distances are shorter than typical Os-C single bonds. The maximum de ...[more]

PMID: 21578082

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