Synthesis and spectroscopic characterization of cadmium(II) complexes of thiones and thiocyanate

Cadmium(II) complexes of thiones and thiocyanate, [(>C=S) 2 Cd(SCN) 2 ], have been prepared and characterized by IR and NMR spectroscopy. An upfield shift in the >C=S resonance of thiones in the 13 C NMR and downfield shift in N-H resonance in 1 H NMR are consistent with sulfur coordination to...

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Bibliographic Details
Published in:Journal of coordination chemistry 2009-02, Vol.62 (3), p.475-480
Main Authors: Ali, Saqib, Malik, Muhammad Riaz, Isab, Anvarhusein A., Ahmad, Saeed
Format: Article
Language:English
Subjects:
Cadmium(II) complexes
NMR spectroscopy
Thiocyanate
Thiones
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Summary:Cadmium(II) complexes of thiones and thiocyanate, [(>C=S) 2 Cd(SCN) 2 ], have been prepared and characterized by IR and NMR spectroscopy. An upfield shift in the >C=S resonance of thiones in the 13 C NMR and downfield shift in N-H resonance in 1 H NMR are consistent with sulfur coordination to cadmium(II). The presence of ν(N-H) of thiones in IR spectra of the complexes indicates the thione forms of the ligands in the solid state; some contribution of the thiolate form was observed in one complex. The appearance of a band around 2100 cm −1 in IR and a resonance around 132 ppm in 13 C NMR indicates the binding of thiocyanate to cadmium(II).
ISSN:0095-8972
1029-0389
DOI:10.1080/00958970802226395