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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/7510

Title: Synthesis and characterization of monomeric tellurolato complexes of zinc and cadmium: crystal and molecular structure of bis[2-(4,4-dimethyl-2-oxazolinyl)phenyl]ditelluride
Authors: MUGESH, G
SINGH, HB
BUTCHER, RJ
Keywords: single-source precursors
volatile cvd precursors
ii-vi semiconductors
chalcogenolato complexes
pyridineselenolate complexes
selenolato complexes
metal-complexes
ligands
mercury
decomposition
Issue Date: 1999
Publisher: ELSEVIER SCIENCE SA
Citation: JOURNAL OF ORGANOMETALLIC CHEMISTRY, 577(2), 243-248
Abstract: The synthesis and characterization of homoleptic zinc(II) and cadmium(II) tellurolates incorporating the intramolecularly chelating oxazoline ligand are described. The derivatives, M[Te(Ox)](2) [M = Zn (4) or Cd (5) and Ox = 2-(4,4-dimethyl-2-oxazolinyl)phenyl], are prepared in good yield via the metathesis reactions of MCl2 with lithium arenetellurolate, OxTe(-)Li(+) (2). Attempts to synthesise the mercury complex led to isolation of the corresponding ditelluride (3). Crystal structure of the ditelluride was determined by X-ray diffraction method. Of particular interest in the structure is the intramolecular interaction of the sp(2) nitrogen with the tellurium. The strength of the Te...N nonbonded interactions in this compound [Te(1)...N(1): 2.864(5), Te(2)...N(2): 2.694(5) Angstrom] is found to be stronger than the similar interactions found in related compounds. The zinc and cadmium complexes are quite stable in the solid state and highly soluble in common non-polar organic solvents. The variable temperature NMR spectra of Zn[Te(Ox)](2), (4) and Cd[Te(Ox)](2) (5) show the complexes to be chiral at low temperatures. (C) 1999 Elsevier Science S.A. .
URI: http://dx.doi.org/10.1016/S0022-328X(98)01069-9
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7510
http://hdl.handle.net/10054/7510
ISSN: 0022-328X
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