Crystal and molecular structure of bromobis-(π-cyclopentadienyl)(tribromostannyl)molybdenum(IV)
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 14,p. 1447-1449
- https://doi.org/10.1039/dt9720001447
Abstract
The crystal and molecular structure of the title compound has been determined by three-dimensional X-ray methods with intensity measurements from a linear diffractometer (orthorhombic, a= 14·05, b= 12·30, c= 8·82 Å, space group pnma or pna21, Z= 4), and refined by least squares to R 0·056 for 601 independent reflections. The tin atom forms four bonds directed towards the corners of a distorted tetrahedron with Sn–Mo 2·691 and mean Sn–Br, 2·505 Å. The tin co-ordination polyhedron is completed by a much longer bromine contact (3·411 Å) to give a very distorted trigonal bipyramid. The Sn–Mo–Br bond angle is 80·2° and the Mo–Br bond length is 2·605 Å. The π-cyclopentadienyl rings are not well determined.Keywords
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