Jemmis, Eluvathingal D. ; Pinhas, Allan R. ; Hoffmann, Roald (1980) Cp2M2(CO)4 - Quadruply bridging, doubly bridging, semibridging, or nonbridging ? Journal of the American Chemical Society, 102 (8). pp. 2576-2585. ISSN 0002-7863
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ja00528a010
Related URL: http://dx.doi.org/10.1021/ja00528a010
Abstract
Electronic structures of alternative geometries of complexes represented by the molecular formula Cp2M2(CO)4 are analyzed using the fragment molecular orbital aproach. The tendency for Co semibridging found in d5-d5 complexes is traced back to M2(CO)10 via a hypothetical nonbridged Cp2M2(CO)4 structure. In d7-d7 complexes the transformation from the doubly bridging structure to either a nonbridging or a tetrabridging structure is symmetry allowed. The rotational barrier around the M-M bond in the nonbridging intermediates. An explanation is also offered for the puckering of the M2(CO)2 rhomboid in cis-Cp2Fe2(CO)4.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 82664 |
| Deposited On: | 14 Feb 2012 11:16 |
| Last Modified: | 14 Feb 2012 11:16 |
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