Crystal and molecular structure of tetrachlorotris(dimethylphenylphosphine)molybdenum(IV)–ethanol
- 1 January 1976
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 2,p. 192-195
- https://doi.org/10.1039/dt9760000192
Abstract
The X-ray analysis of the title compound was based on 2 397 intensity data measured by diffractometer. The structure was solved by the heavy-atom method and refined by full-matrix least-squares to R 0.059. Crystals are monoclinic, with a= 11.883(4), b= 11.836(4), c= 23.750(7)Å, β= 104.61(2)°, Z= 4, and space group P21/c. The crystal structure is built of discrete molecular units of [MoCl4(PMe2Ph)3] and EtOH. The co-ordination geometry of the metal complex can be described as capped octahedral, with the MoCl3(PMe2Ph)3 fragment adopting a facial configuration and the fourth chlorine ligand capping the triangular face formed by the phosphorus atoms. Metal–ligand bond lengths are: Mo–Cl(capping) 2.399(3), Mo–Cl(trans to P) 2.440(4)–2.454(4), and Mo–P 2.570(3)–2.579(4)Å.Keywords
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