Abstract
Crystals of osmocene, Os(η-C5H5)2, are orthohombic:Pnma,M r =321.3,a=7.079(2),b=8.908(1),c=12.771(2),V c =806 Å3,Z=4,D x =2.640 g cm−3, MoKα (λ=0.71069 Å),μ=151 cm−1,F(000)=584,T=293 K,R=0.04 for 730 observed reflections. Osmocene is isomorphous with ruthenocene and the molecules have averageD 5h symmetry with a mean Os-C distance of 2.19(1) Å (compared with 2.186 Å forRu-C).
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Part 26 of the series Cyclopentadienyl-ruthenium and -osmium chemisty. For Part 25, see Bruce, etal. (1985).
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Bobyens, J.C.A., Levendis, D.C., Bruce, M.I. et al. Crystal structure of osmocene, Os(η-C5H5)2 . Journal of Crystallographic and Spectroscopic Research 16, 519–524 (1986). https://doi.org/10.1007/BF01161040
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DOI: https://doi.org/10.1007/BF01161040