Acta Cryst. (2013). E69, m160-m161
[ doi:10.1107/S160053681300456X ]

(2,2'-Bipyridine-²N,N')[bis(diphenylthiophosphinoyl)methyl]lithium(I) benzene monosolvate

W. Ren, S. Chantrapromma and H.-K. Fun

Abstract: In the title benzene-solvated heteroleptic lithium complex, [Li(C₂₅H₂₁P₂S₂)(C₁₀H₈N₂)]·C₆H₆, the Li^I ion is four-coordinated in a distorted tetrahedral geometry by two S atoms and two N atoms of the two chelating ligands, viz. bis(diphenylthiophosphinoyl)methyl and 2,2'-bipyridine. The 2,2'-bipyridine molecule is slightly twisted with a dihedral angle between the pyridine rings of 7.35 (12)°. Intramolecular C-HS hydrogen bonds are present. In the crystal, molecules are stacked along the c axis by - interactions, with centroid-centroid distances of 3.6021 (15) and 3.6401 (16) Å. The crystal structure also features weak C-H interactions.

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