Complexation of Cd(SeCN)2with imidazolidine-2-thione and its derivatives: Solid state, solution NMR and anti-bacterial studies | Zendy

Bassem A. AlMaythalony | Zendy; Mohammed I.M. Wazeer | Zendy; Anvarhusein A. Isab | Zendy; M. T. Nael | Zendy; Saeed Ahmad | Zendy

Open Access

Complexation of Cd(SeCN)₂with imidazolidine-2-thione and its derivatives: Solid state, solution NMR and anti-bacterial studies

Author(s) -

Bassem A. AlMaythalony,

Mohammed I.M. Wazeer,

Anvarhusein A. Isab,

M. T. Nael,

Saeed Ahmad

Publication year - 2008

Publication title -

spectroscopy an international journal

Language(s) - English

Resource type - Journals

eISSN - 1875-922X

pISSN - 0712-4813

DOI - 10.1155/2008/740352

Subject(s) - imidazolidine , chemistry , solid state , ligand (biochemistry) , acetonitrile , crystallography , solid state nuclear magnetic resonance , proton nmr , nuclear magnetic resonance spectroscopy , nmr spectra database , tetrahedron , stereochemistry , nuclear magnetic resonance , spectral line , organic chemistry , biochemistry , physics , receptor , astronomy

Reactions of imidazolidine-2-thione (Imt), 1,3-diazinane-2-thione (Diaz) and 1,3-diazipane-2-thione (Diap) with Cd(SeCN) 2 in acetonitrile resulted in the formation of 2:1 tetrahedral complexes. Both solid state and solution NMR, confirm the exocyclic thione atom to be the donor in all cases. 113 Cd shielding tensors and anisotropies were calculated from the solid-state NMR spectra. Based on the solid NMR data, a distorted tetrahedral dispositions of ligands around cadmium is proposed for the Imt complex. However, when the Imt ligand is substituted with one or two R groups (where R=Me, Et or i -Pr) forming RImt or R 2 Imt, a five coordinate complex with polymeric structure [(RImt)Cd(SeCN) 2 ] ∞ or [(R 2 Imt)Cd(SeCN) 2 ] ∞ is observed. Antibacterial studies of some of the complexes were carried out.

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