Abstract
Abstract The title compound, trans -[Ru(dppe)2Cl2], has I symmetry such that the chloride atoms are exactly trans. The coordination geometry is distorted octahedral owing, in part, to the restricted bite distance of the chelating dppe ligands. Important interatomic parameters are Ru-Cl 2.436(1), Ru-P(l), 2.389(1) Ru-P(2) 2.369(1) A and P(I)-Ru-P(2) 82.1(1)°. The compound crystallizes as a dichloromethane solvate in the monoclinic space group C2/c with unit cell dimensions a = 27.995(3), b = 13.85(1), c = 13.265(3) Å, β = 105.38(2)° and Z = 4. The structure was refined by a full-matrix least-squares procedure to final R = 0.038 for 3522 reflections with I ≥2.5σ(I).
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