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Chemistry. 2016 Apr 04;22(15):5397-403. doi: 10.1002/chem.201505031. Epub 2016 Feb 25.

Probing the Structure, Dynamics, and Bonding of Coinage Metal Complexes of White Phosphorus.

Chemistry (Weinheim an der Bergstrasse, Germany)

Laura C Forfar, Dihao Zeng, Michael Green, John E McGrady, Christopher A Russell

Affiliations

  1. School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK.
  2. Department of Chemistry, University of Oxford, South Parks Road, Oxford, OX1 3QZ, UK.
  3. Department of Chemistry, University of Oxford, South Parks Road, Oxford, OX1 3QZ, UK. [email protected].
  4. School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK. [email protected].

PMID: 26918670 DOI: 10.1002/chem.201505031

Abstract

A series of cationic white phosphorus complexes of the coinage metals Au and Cu have been synthesised and characterised both in the solid state and in solution. All complexes feature a P4 unit coordinated through an edge P-P vector (η(2)-like), although the degree of activation (as measured by the coordinated P-P bond length) is greater in the gold species. All of the cations are fluxional on the NMR timescale at room temperature, but in the case of the gold systems fluxionality is frozen out at -90 °C. Electronic structure calculations suggest that this fluxionality proceeds via an η(1)-coordinated M-P4 intermediate.

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: P4 activation; cations; coinage metals; density functional theory; white phosphorus

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