Dinuclear half-sandwich complexes containing bridging 1,2-dicarba-closo-dodecaborane-1,2-dichalcogenolato ligands. Molecular structures of Cp<sub>2</sub>Fe<sub>2</sub>(CO)<sub>3</sub>[μ-Se<sub>2</sub>C<sub>2</sub>(B <sub>10</sub>H<sub>10</sub>)], Cp<sub>2</sub>Ru<sub>2</sub>[μ-S<sub>2</sub>C<sub>2</sub>(B<sub>10</sub>H <sub>10</sub>)]<sub>2</sub> - 指纹