Crystal and molecular structure of 1-(dicarbonyl-π-cyclopentadienylferrio)-2-(phenyl)-ethyne
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 19,p. 2025-2027
- https://doi.org/10.1039/dt9740002025
Abstract
Crystals of the title compound are monoclinic, a= 9·473(2), b= 9·796(2), c= 13·387(3)°Å, β= 109·70(2)°, space group P21/n, Z= 4. The structure was solved by conventional methods from 1696 intensity data collected on a diffractometer and has been refined to R 0·060. The (π-C5H5)Fe(CO)2 fragment has the same geometry as in many other compounds, and the acetylenic linkage is essentially linear. There are no significant intermolecular interactions. The bond lengths of the metal ethynyl group (Fe–C 1·91, –CC– 1·21, and C–Ph 1·44 Å) provide a useful comparison with those in other acetylenes.Keywords
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