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Acta Cryst. (2010). E66, m1185-m1186  [ doi:10.1107/S1600536810034197 ]

A tetrasilver(I)ditungsten(VI) cluster with sulfide and bis(diphenylphosphino)methane ligands

R. Wang, L.-L. Song, K.-Y. Hu, Q.-H. Jin and C.-L. Zhang

Abstract: The asymmetric unit of the title complex, [Ag4W2S8(C25H22P2)3]·2C3H7NO, tris[[mu]2-bis(diphenylphosphino)methane]-3:6[kappa]2P:P';4:5[kappa]2P:P';5:6[kappa]2P:P'-[mu]5-sulfido-2:3:4:5:6[kappa]5S-[mu]3-sulfido-1:3:4[kappa]3S-tetra-[mu]2-sulfido-1:3[kappa]2S;1:4[kappa]2S;2:5[kappa]2S;2:6[kappa]2S-disulfido-1[kappa]S,2[kappa]S-tetrasilver(I)ditungsten(VI) N,N-dimethylformamide disolvate, contains two [WS4]2- anions, four silver cations, three bidentate-bridging bis(diphenylphosphino)methane (dppm) ligands and two N,N-dimethylformamide (DMF) solvent molecules. The coordination geometry of each Ag atom is distorted tetrahedral. Two Ag ions are coordinated by [mu]2-S and [mu]5-S atoms, and by two P atoms from two dppm ligands, while the other two Ag atoms are coordinated by [mu]2-S, [mu]3-S and [mu]5-S atoms, and by one P atom from a dppm ligand.

Online 4 September 2010

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