A Class of Trinuclear Clusters with Carbonyl Bridging
作者:
Allan R. Pinhas,
Thomas A. Albright,
Peter Hofmann,
Roald Hoffmann,
期刊:
Helvetica Chimica Acta
(WILEY Available online 1980)
卷期:
Volume 63,
issue 1
页码: 29-49
ISSN:0018-019X
年代: 1980
DOI:10.1002/hlca.19800630105
出版商: WILEY‐VCH Verlag GmbH
数据来源: WILEY
摘要:
AbstractThe impetus for this work was the structure of a trinuclear complex with two carbonyl groups showing incipient triple bridging ‐ Cp2Rh3(CO)4−. Its structure, barrier to rotation of one Rh(CO)2−piecevs.the rest of the molecule, and the nature of the bridging carbonyl interaction are analyzed. Isolobal analogies form an interesting connection between this complex and a bridged isomer of the recently synthesized carbene complexes, Cp2Rh2(CO)2CR2, one isomer of Cp2Rh3(CO)3, and hypothetical carbyne complexes Cp2Rh2(CO)2CH+,−. A general bonding model for Cp2Rh2(μ‐CO)2X complexes is constructed. The model, rich in geometrical detail, allows minima for the bridging carbonyl groups bending toward and away from the bonde
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