Metal–carbonyl and metal–nitrosyl complexes. Part III. The crystal and molecular structure of cyclopentadienyldinitrosylchromium chloride
- 1 January 1966
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 1095-1103
- https://doi.org/10.1039/j19660001095
Abstract
Cyclopentadienyldinitrosylchromium chloride crystallises in the orthorhombic system, space group P212121, with four molecules of C5H5ClCrN2O2 in a cell of dimensions a= 10·79, b= 12·24, c= 5·95 Å. After Fourier and least-squares refinement of the atomic parameters, the final discrepancy factor is 9·8% over 744 independent reflexions. The cyclopentadienyl ring is randomly distributed over two orientations in the same plane. The Cr–N bonds, of average length 1·711 Å, have considerable double-bond character. The CrNO groupings depart significantly from linearity, with valency angles of 166·4 and 170·8°.Keywords
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