The crystal structure of dichlorobis(triphenylphosphine)(norbornadiene)ruthenium
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Passing norbornadiene in Ar over a solution of RuCl2[P(C6H5)3]4 in Ch2Cl2 results in slow deposition of single crystals of the extremely insoluble title compound. The compound crystallizes in monoclinic space group P21/c with unit cell constants a 14.213(3), b 14.486(2), c 17.079(2) Å, β 97.13(1)°, and πc 1.50 g mc-3 for Z = 4. Full-matrix least-squares refinement has led to a final R1 value of 0.057 based on 2460 independent observed (I ≥ 3σ(I)) reflections. The molecule attains an approximately octahedral geometry with cis-chlorine and trans-phosphine ligands. The norbornadiene ligand bonds symmetrically to the metal with long CC bonds of 1.408(12) and 1.415(120 Å. The average values of some other important bond distances are: RuCl 2.440 ± 0.006 Å; RuP 2.479 ± 0.003 Å; RuC 2.21 ± 0.02 Å. © 1981.
author list (cited authors)
Bergbreiter, D. E., Bursten, B. E., Busten, M. S., & Cotton, F. A.