Acta Cryst. (2012). E68, o44  [ doi:10.1107/S160053681105183X ]

trans-(Ethene-1,2-diyl)bis(diphenylphosphine selenide)

Z. Phasha, S. Makhoba and A. Muller

Abstract: In the title molecule, C₂₆H₂₂P₂Se₂, both P atoms have distorted tetrahedral environments, resulting in effective cone angles of 177 and 174°. Inversion twinning was detected and refined to a ratio of 0.35:0.65. Weak intermolecular C-HSe interactions are observed.

Online 7 December 2011

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