The synthesis and X-ray structure of five co-ordinate imidodiphosphinate complexes of indium(III)

We report the synthesis and structural characterisation of three five co-ordinate indium(III) bis-chelate complexes of imidodiphosphinates with general formula InCl{N(PR 2X) 2} 2, (R=Ph or Pr i, X=S or Se), formed from the 1:2 reaction of indium(III) trichloride and the potassium or sodium salt of t...

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Bibliographic Details
Published in:Polyhedron 1999-01, Vol.18 (27), p.3729-3733
Main Authors: Darwin, Katie, Gilby, Liam M, Hodge, Paul R, Piggott, Brian
Format: Article
Language:English
Subjects:
Imidophosphinates
Indium
Inorganic chelates
Trigonal–bipyramid
X-ray structure
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Summary:We report the synthesis and structural characterisation of three five co-ordinate indium(III) bis-chelate complexes of imidodiphosphinates with general formula InCl{N(PR 2X) 2} 2, (R=Ph or Pr i, X=S or Se), formed from the 1:2 reaction of indium(III) trichloride and the potassium or sodium salt of the ligand in methanol/THF. The complexes consist of discrete monomeric, molecules and show a trigonal–bipyramidal co-ordination pattern. These are the first examples of five co-ordinate complexes containing this type of ligand, in contrast to other indium(III) and main group element complexes of similar ligands in which only the six co-ordinate tris-chelates are known.
ISSN:0277-5387
DOI:10.1016/S0277-5387(99)00314-9