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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 184, 2009 - Issue 11
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Original Articles

Tris(dimethylamino)phosphine Selenide Complexes of Cadmium(II): Synthesis and Multinuclear (31P, 77Se, and 113Cd) NMR Characterization in Solution

M. T. Ben Dhia Laboratory of Coordination Chemistry, Department of Chemistry, Faculty of Sciences, University of Tunis El-Manar, Tunis, Tunisia
,
M. A. M. K. Sanhoury Laboratory of Coordination Chemistry, Department of Chemistry, Faculty of Sciences, University of Tunis El-Manar, Tunis, Tunisia
,
C. Zenati Laboratory of Coordination Chemistry, Department of Chemistry, Faculty of Sciences, University of Tunis El-Manar, Tunis, Tunisia
&
M. R. Khaddar Laboratory of Coordination Chemistry, Department of Chemistry, Faculty of Sciences, University of Tunis El-Manar, Tunis, Tunisia
Pages 3082-3089 | Received 14 Jul 2008, Accepted 18 Dec 2008, Published online: 03 Nov 2009
 
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Abstract

The complexes CdL4(ClO4)2 (1), CdL2(NO3)2 (2), and CdL2Cl2 (3) (L = (Me2N)3P(Se)) have been prepared and characterized by elemental analysis, conductivity measurements, IR, and multinuclear (31P, 77Se, and 113Cd) NMR spectroscopy. 31P and 77Se NMR data were informative of changes associated with complex formation. The structure of the prepared complexes was further confirmed in solution by their 113Cd NMR spectra, which show a quintuplet for the perchlorate complex and a triplet for each of the nitrate and chloride complexes due, respectively, to coupling with four and two equivalent phosphorus atoms, consistent with a four coordinate tetrahedral geometry for the cadmium center. The NMR data are discussed and compared with those reported for related complexes.

Notes

a Data obtained by dissolving complex 3 in a mixture of CH2Cl2 and free TDPSe.

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