Heterobimetallic complexes: Substitution effects in the [tetracarbonylrhodiumbis{μ-(diphenylphosphino)}{μ-(η: η2-(4-diphenylphosphino-κP)-2-methyl-oxobutyl)}molybdenum] (Mo-Rh) system

K.J. Coutinho, R.S. Dickson, George Koutsantonis, Brian Skelton, Allan White

Research output: Contribution to journalArticle


Syntheses of the array of heterobimetallic complexes [(OC)(3)M(mu-PPh2)(2)(mu-O-C(CHMe(CH2)(2)PPh2)RhL], M = Cr, Mo, W, L = (BuNC)-Bu-t, are described, extending the previous study of the counterpart array for L = CO. A single crystal X-ray structure determination is reported for the M = Mo adduct, enabling comparison with its previously reported L = CO counterpart, for which an improved redetermination is also reported. In the present complex the BuNC ligand is found to be much more weakly bound (Rh-C 2.026(5) angstrom) than the carbonyl group it displaces (Rh-C 1.945(2) angstrom) with concomitant minor impact on the remainder of the rhodium ambience.
Original languageEnglish
Pages (from-to)669-674
JournalZeitschrift fuer Anorganische und Allgemeine Chemie
Publication statusPublished - 2008

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