(μ-H)(μ-OH)Os3(CO)10

The title compound, decacarbonyl-1κ 4 C,2κ 3 C,3κ 3 C-μ-hydrido-2:3κ 2 H-μ-hydroxy-2:3κ 2 O-trisosmium-(3 Os-Os), consists of an Os triangle, doubly bridged on one side by a hydrido and a hydroxy group. The coordination around the Os atoms was found to be octahedral