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An experimental and theoretical study of the coordination and donor properties of tris-2-pyridyl-phosphine ligands

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Abstract

The coordination characteristics and donor/acceptor properties of a series of 2-pyridyl substituted phosphine ligands have been investigated using structural, spectroscopic and DFT calculational studies. A range of different coordination modes are observed in Mo and W carbonyl complexes of tris-2-pyridyl-phosphine ligands of the type P(2-py’) (2-py’ = substituted or unsubstituted 2-pyridyl group), including an unprecedented example exhibiting N,N′,μ2-π coordination. DFT calculations were used to assess the relative donor/acceptor properties of a range of related 2-pyridyl-phosphine ligands with respect to PPh3 and PtBu3.

Graphical abstract: An experimental and theoretical study of the coordination and donor properties of tris-2-pyridyl-phosphine ligands

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Article information


Submitted
18 Feb 2020
Accepted
18 Mar 2020
First published
26 Mar 2020

Dalton Trans., 2020, Advance Article
Article type
Paper

An experimental and theoretical study of the coordination and donor properties of tris-2-pyridyl-phosphine ligands

S. Hanf, A. L. Colebatch, P. Stehr, R. García-Rodríguez, E. Hey-Hawkins and D. S. Wright, Dalton Trans., 2020, Advance Article , DOI: 10.1039/D0DT00609B

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