The MoMo Quintuple Bond as a Ligand to Stabilize Transition-Metal Complexes

The MoMo Quintuple Bond as a Ligand to Stabilize Transition-Metal Complexes

Herein, we report the employment of the MoMo quintuple bonded amidinate complex to stabilize Group10 metal fragments {(Et3P)2M} (M=Pd, Pt) and give rise to the isolation of the unprecedented [delta]complexes. X-ray analysis unambiguously revealed short contacts between Pd or Pt and two Mo atoms and...

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Veröffentlicht in:Angewandte Chemie International Edition 2015-07, Vol.54 (31), p.9106
Hauptverfasser: Lu, Duan-Yen, Chen, Peter P-Y, Kuo, Ting-Shen, Tsai, Yi-Chou
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Chemical bonds
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creator Lu, Duan-Yen
Chen, Peter P-Y
Kuo, Ting-Shen
Tsai, Yi-Chou
description Herein, we report the employment of the MoMo quintuple bonded amidinate complex to stabilize Group10 metal fragments {(Et3P)2M} (M=Pd, Pt) and give rise to the isolation of the unprecedented [delta]complexes. X-ray analysis unambiguously revealed short contacts between Pd or Pt and two Mo atoms and a slight elongation of the MoMo quintuple bond in these two compounds. Computational studies show donation of the MoMo quintuple-bond [delta]electrons to an empty σorbital on Pd or Pt, and back-donation from a filled Pd or Pt dπ orbital into the MoMo [delta]*level (LUMO), consistent with the Dewar-Chatt-Duncanson model.
doi_str_mv 10.1002/anie.201504414
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title The MoMo Quintuple Bond as a Ligand to Stabilize Transition-Metal Complexes
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