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Acta Cryst. (2009). E65, m1242 [ doi:10.1107/S1600536809037817 ]
![[eta]](/logos/entities/eta_rmgif.gif)
4-cycloocta-1,5-diene)bis(triphenylphosphine)osmium(II)Abstract: The OsII atom in the title compound, [OsCl2(C8H12)(C18H15P)2], is located on a crystallographic twofold axis and adopts a distorted octahedral coordination geometry. The two triphenylphosphine ligands are trans to each other, while the two chlorine ligands are cis-disposed. The coordination is completed by the cyclooctadiene (COD) ligand with bonding to the two olefin double bonds. The C=C bond has a length of 1.403 (6) Å, which is significntly longer than a free olefinic double bond (![[asymptotically equal to]](/logos/entities/sime_rmgif.gif)
1.34 Å).
Online 26 September 2009
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