Di-[mu]-acetato-bis[dicarbonyl(pyrazole)ruthenium(I)] and Di-[mu]-acetato-bis[dicarbonyl(3,5-dimethylpyrazole)ruthenium(I)]

The crystal structures of the title compounds, [Ru₂(C₂H₃O₂)₂(C₃H₄N₂)₂(CO)₄], (1) and [Ru₂(C₂H₃O₂)₂(C₅H₈N₂)₂(CO)₄], (2), have been determined. The octahedral coordination about the Ru^I ion is slightly distorted in (I) and more distorted in (2), with the two O atoms and two C atoms in the equatorial positions, and one N atom and another Ru ion in the axial positions. Compound (2) has mirror symmetry.

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