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a) Rare examples of compounds featuring covalent As−Bi and Sb−Bi bonds (left), as well as a covalent As−Sb bond, which is in equilibrium with its respective homo‐dipnictogen complexes (right); b) heteroatomic main‐group tetrahedranes. This work: tetrahedral [{CpMo(CO)2}2(μ,η2:η2‐EE′)] compounds containing scarce covalent hetero‐dipnictogen bonds.
