ISSN:
0009-2940
Keywords:
Cobalt, (η5-cyclopentadienyl)(1, 3-dibora-4, 5-benzopentafulvene)-
;
Iron tricarbonyl complexes
;
Triple decker, mixed-metal, slipped
;
Calculations, ab initio, EH
;
Chemistry
;
Inorganic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Complexation of 1, 3-Dihydro-1, 3, 10, 10-tetramethyl-1, 3-dibora-4, 5-benzopentafulvene with Fe(CO)3 and CpCo Fragments: Synthesis, Crystal and Electronic Structure of Tricarbonyl[(η5-cyclopentadienyl)cobalt][μ,η5:η4-(1, 3-dihydro-1, 3, 10, 10-tetramethyl-1, 3-dibora-4, 5-benzopentafulvene)]ironReaction of the 1, 3-dibora-4, 5-benzopentafulvene 1 with the isolobal organometallic fragments Co(C5H5) and Fe(CO)3 leads to the slipped triple-decker complex 5. It is also formed when 2 is stacked with the Co(C5H5) fragment. The X-ray structure analysis of 5 reveals that the Co(C5H5) fragment is coordinated to the 1, 3-diborole ring, and the Fe(CO)3 group interacts with the Y-shaped B2C=C unit. An MO calculation indicates that the formation of 5 occurs by distortion of 2 (η5- → η4-bonding) and complexation of the Co(C5H5) group. 5 is 16 kcal/mol more stable than its structural isomer 6.
Additional Material:
1 Tab.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/cber.19911241208
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