Vibrational spectra and normal coordinate analysis of 3,3-DIMETHYLGLUTARIMIDE (cas 1123-40-6) and its mercury(II) complex

Add time:09/24/2019    Source:sciencedirect.com

FT-Raman and FT-IR spectra are reported for 3,3-DIMETHYLGLUTARIMIDE (cas 1123-40-6), its N-deuterated derivative and the Hg(II) complex with 3,3-dimethylglutarimidate ion, Hg(C7H10NO2)2·H2O. A complete vibrational assignments are given for all internal vibrations of the molecules and are supported by normal coordinate analyses based on a general valence force field. The calculated frequencies are in very good agreement with the experiment. The antisymmetric and symmetric Hg–N stretching vibrations are assigned at 562 and 520 cm−1, respectively. It follows that the exocyclic CO bonds in the N-coordinated 3,3-dimethylglutarimidato-Hg(II) complex are more basic that those in free neutral ligand.

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