Eclipsed M2X6 Compounds Exhibiting Very Short Metal−Metal Triple Bonds
- 20 May 2004
- journal article
- research article
- Published by American Chemical Society (ACS) in Inorganic Chemistry
- Vol. 43 (12) , 3618-3624
- https://doi.org/10.1021/ic049795r
Abstract
The preparation, characterization, and electronic structure of homoleptic complexes of molybdenum and tungsten bridged by bis(alkylamido)phenylboranes, M2[RN−BPh−NR]3 (M = Mo, R = Et (1), iPr (2); M = W, R = Et (3), iPr (4)), are described. These triple metal−metal bond species (i) exhibit a nearly eclipsed ligand geometry and (ii) possess the shortest metal−metal bonds of neutral dimolybdenum and ditungsten M2X6 complexes observed to date (d(Mo−Mo) = 2.1612(6) Å (1); d(W−W) = 2.2351(7) Å (4)).Keywords
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