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The University of Southampton
Chemistry

Research project: Reid: Main Group coordination chemistry

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Our recent work on main group coordination chemistry with chalcogenoether ligands has identified new series of ....

 Our recent work on main group coordination chemistry with chalcogenoether ligands has identified new series of Bi(III), Sb(III) and As(III) halide adducts with multidentate and macrocyclic chalcogenoethers, including [BiBr3([16]aneSe4)] (ladder polymer), the very unusual [(AsCl3)4([24]aneSe6)] which shows both exoand endocoordination of As(III) and [M2Cl6([8]aneSe2}2] (M = As, Sb or Bi; [8]aneSe2= 1.5-diselenacyclooctane) in which As and Bi complexes have regular geometries consistent with a stereochemically inactive lone-pair, whereas the Sb complex is highly distorted indicating that the lone-pair is active. The Group 15 halide complexes exhibit primary M-X bonding and weak, secondary M-Se (or S) interactions which cross-link the networks. Structural identification of the first telluroether complexes with p-block fragments (Sn(IV) and Bi(III)); the first selenoether complexes involving Tl(I) and macrocyclic ring size effects on thioether complexes of Sn(IV) halides. Current work is towards p-block fluoride complexes with soft phosphine ligands, e.g. [SnF4(diphosphine)] and related Ge(IV) species – the first authenticated examples. 

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Under a major Basic Technology project in collaboration with colleagues in Southampton Chemistry (Prof. P. N. Bartlett, Dr A. L. Hector and Prof. W. Levason), Physics (Dr D. C. Smith) and Optoelectronics (Dr P. Sazio), and colleagues in Nottingham (Professors S. Howdle, M. George and M. Poliakoff) and Manchester (Prof. P. O'Brien) we are working towards molecular precursors suitable for the deposition of transition metals, elemental semiconductors (Ge and Si) and compounds semiconductors (GaP, GaAs, InP, InAs) via supercritical fluids. In the pursuit of these targets we have established significant new coordination chemistry e.g. for Ge(II) and Ge(IV) halides, Ga(III) and In(III) halides and alkyls with a wide range of ligands involving donor atoms from Groups 15 and 16.

  • Synthesis and Structural Features of the First Thallium(I) Selenoether Derivatives
    N.J. Hill, W. Levason, M.E. Light and G. Reid, Chem. Commun., 2003, 110.
  • Synthesis and Structural Properties of the First Bismuth(III) Telluroether Complex
    W. Levason, N.J. Hill and G. Reid, J. Chem. Soc., Dalton Trans., 2002, 4316.
  • Arsenic(III) Halide Complexes With Acyclic and Macrocyclic Thio- and Seleno-ether Co-ligands: Synthesis, Spectroscopic and Structural Properties
    N.J. Hill, W. Levason and G. Reid, Inorg. Chem., 2002, 41, 2070.
  • Synthesis and Structural Properties of the First Macrocyclic Selenoether Complex of Arsenic(III) - A Rare Example of Exo and Endo Coordination in a Single Species.
    A.J. Barton, N.J. Hill, W. Levason and G. Reid, J. Am. Chem. Soc., 2001, 123, 11801.
  • Unusual structural variations within a family of thioether macrocyclic complexes. Tin(IV) halide adducts of [12]-, [14]- and [16]-aneS4.
    W. Levason, M. L. Matthews, R. Patel, G. Reid, M. Webster, New J. Chem., 2003, 27, 1784.
  • Synthesis and Structures of One-Dimensional Coordination Polymers Derived From Bismuth(III) Selenoether Macrocyclic Complexes.
    A.J. Barton, A.R.J. Genge, W. Levason and G. Reid, J. Chem. Soc., Dalton Trans., 2000, 2163.
  • Unusual structural trends in the [MCl3([8]aneSe2)] (M = As, Sb, Bi) adducts.
    N. J. Hill, W. Levason, R. Patel, G. Reid, M. Webster, Dalton Trans., 2004, 980.
  • Synthesis, Spectroscopic and Structural Systematics of Complexes of Germanium(IV) Halides (GeX4, X = F, Cl, Br or I) with Phosphane Oxides and Related Oxygen Donor Ligands
    F. Cheng, M. F. Davis, A. L. Hector, W. Levason, G. Reid, M. Webster and W. Zhang, Eur. J. Inorg. Chem., 2007, 4897-4905.
  • The first examples of germanium tetrafluoride and tin tetrafluoride complexes with soft thioether coordination -synthesis, properties and crystal structures
    M. F. Davis, W. Levason, G. Reid, M. Webster and W. Zhang, Dalton Trans., 2008, 533-538.
  • Complexes of germanium(IV) fluoride with soft phosphane and arsane ligands: Structural and spectroscopic authentication of germanium(IV) phosphane complexes.
    M. F. Davis, W. Levason, G. Reid and M. Webster, Dalton Trans., 2008, in the press.
  • Synthesis, Spectroscopic and Structural Systematics of Complexes of Germanium(IV) Halides (GeX4, X = F, Cl, Br or I) with Phosphane Oxides and Related Oxygen Donor Ligands
    F. Cheng, M. F. Davis, A. L. Hector, W. Levason, G. Reid, M. Webster and W. Zhang, Eur. J. Inorg. Chem., 2007, 4897-4905.
  • Preparation, characterisation and structural systematics of diphosphane and diarsane complexes of gallium(III) halides
    F. Cheng, M. F. Davis, A. L. Hector, W. Levason, G. Reid, M. Webster and W. Zhang, Inorg. Chem., 2007, 46, 7215-7223.

Related research groups

Functional Inorganic, Materials and Supramolecular Chemistry
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