Abstract
The reaction of mercury(II) halides with imidazolidine-2-thione, 1,3-diazinane-2-thione and 1,3-diazepine-2-thione yielded complexes of stoichiometry HgL 2Cl 2 and HgL 2Br 2. The C(2) resonance of all thione ligands shifted more for HgBr 2 complexes compared with HgCl 2. The 199Hg NMR chemical shift range is within −805 to −1008 ppm for HgL 2Cl 2 complexes and −1124 to −1394 ppm for all HgL 2Br 2 complexes. Also 13C and 199Hg NMR chemical shifts are compared for five-, six- and seven-membered ligands after complexing with mercuric halides.
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