Bisphenylbis[tetracarbonyl(hydrido)osmio]germane, Ph₂Ge[Os(CO)₄H]₂

The title compound, octacarbonyl-1κ⁴C, 2κ⁴C-dihydrido-1κH, 2κH-bis(phenyl­3κ⁴C)germaniumdiosmium(2 Ge—Os), [Os₂(H)₂ (CO)₈{Ge(C₆H₅)₂}], is the first cluster containing a single Os—E—Os (E = Ge, Sn, Pb) chain to be structurally characterized. The molecule possesses approximate C₂ symmetry. The Os—Ge—Os metal chain is bent and the Os—Ge bonds [2.599 (2) and 2.614 (2) Å] are the longest yet known.

-1