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Related Experiment Videos

Synthesis and structure of [An(RO)PS2]- complexes.

Ian P Gray1, Alexandra M Z Slawin, J Derek Woollins

  • 1School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK.

Dalton Transactions (Cambridge, England : 2003)
|August 11, 2004
PubMed
Summary

New phosphonodithioato anions were synthesized and complexed with various metals. Diverse structural motifs were observed, including dimeric and polymeric arrangements, particularly for lead complexes.

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Area of Science:

  • Coordination Chemistry
  • Organometallic Chemistry
  • Materials Science

Background:

  • Phosphonodithioato ligands offer versatile coordination possibilities.
  • Understanding metal complex structures is crucial for developing new materials.

Purpose of the Study:

  • To synthesize novel non-symmetric phosphonodithioato anions.
  • To explore the coordination chemistry of these anions with group 10, zinc, cadmium, mercury, and lead metals.
  • To characterize the resulting metal complexes and elucidate their structural diversity.

Main Methods:

  • Synthesis of non-symmetric phosphonodithioato anions via reaction with sodium alkoxides.
  • Complexation of anions with Ni, Pd, Pt, Zn, Cd, Hg, and Pb.
  • Characterization using spectroscopic techniques and X-ray crystallography.

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Main Results:

  • Formation of square planar ML(2) complexes with Ni, Pd, and Pt.
  • Isostructural dimeric M(2)L(4) structures for Zn and Cd complexes.
  • Dimeric motifs for Hg complexes and two distinct Pb complexes, including a novel infinite polymeric chain structure.

Conclusions:

  • The synthesized phosphonodithioato anions exhibit diverse coordination behavior with various metals.
  • Structural diversity ranges from discrete dimeric units to infinite polymeric chains.
  • The study reports nine novel X-ray structures, expanding the understanding of metal-phosphonodithioato complex architectures.