The Crystal Structure of Trichlorotin–pentacarbonylmanganese, Cl3Sn–Mn(CO)5
- 1 January 1975
- journal article
- Published by Oxford University Press (OUP) in Bulletin of the Chemical Society of Japan
- Vol. 48 (1) , 319-323
- https://doi.org/10.1246/bcsj.48.319
Abstract
The crystal structure of trichlorotin–pentacarbonylmanganese, Cl3Sn–Mn(CO)5, has been determined by means of X-ray diffraction. The crystal is monoclinic; a=14.10(1), b=13.38(5), c=13.27(2) Å, and β=97.39(21)° with the P21/c space group and with Z=8. The structure, established by the heavy-atom method, has been refined by a least-squares method based on 2581 reflections collected by diffractometry to give an R value of 10%. The asymmetric unit contains two quite similar molecules. The geometry around the tin atom is distorted tetra-hedrally, while the manganese atom exhibits a distorted octahedral coordination. The four equatorial carbonyl groups are displaced from the equatorial plane toward the tin atom. There is an approximate mirror plane through the Sn–Mn–CO(axial) axis. The Sn–Mn bond distance, 2.590(5) Å, is shorter by about 0.08 Å than that of the triphenyl and trimethyl analogues. The mean Mn–C distance of 1.87 Å is longer than that of the trimethyl analogue. These changes in bond distances may be interpreted in terms of the π-interaction between the two metal atoms, which is more pronounced in the chloro-derivative than in the methyl derivative.This publication has 9 references indexed in Scilit:
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