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. 2012 Aug 1;68(Pt 8):m1119-20.
doi: 10.1107/S1600536812024208. Epub 2012 Jul 25.

[μ-Bis(diphenyl-arsino)methane-1:2κ(2)As:As]deca-carbonyl-1κ(3)C,2κ(3)C,3κ(4)C-triangulo-triosmium(0)

Omar Bin Shawkataly, Imthyaz Ahmed Khan, Siti Syaida Sirat, Ching Kheng Quah, Hoong-Kun Fun

[μ-Bis(diphenyl-arsino)methane-1:2κ(2)As:As]deca-carbonyl-1κ(3)C,2κ(3)C,3κ(4)C-triangulo-triosmium(0)

Omar Bin Shawkataly et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

The title compound, [Os(3)(C(25)H(22)As(2))(CO)(10)], contains a triangle of singly bonded Os atoms; both arsine ligands are equatorial with respect to the Os(3) triangle. Each arsine-substituted Os atom bears one equatorial and two axial terminal carbonyl ligands, whereas the unsubstituted Os atom bears two equatorial and two axial terminal carbonyl ligands. The dihedral angles between the two benzene rings in the diphenyl-arsino groups are 67.42 (16) and 61.99 (16)°. In the crystal, mol-ecules are linked via C-H⋯O hydrogen bonds into zigzag chains propagating along [010].

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Figures

Fig. 1.
Fig. 1.
The molecular structure of the title compound showing 30% probability displacement ellipsoids for non-H atoms.
Fig. 2.
Fig. 2.
The crystal structure of the title compound, viewed along the a axis. H atoms not involved in hydrogen bonds (dashed lines) have been omitted for clarity.
See this image and copyright information in PMC

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