Posted on 1 March 2006 by kax_hpcX-ray, NMR and DFT studies of the complex of 1,4-dimethylpiperazine mono-betaine with p-hydroxybenzoic acid X-ray, NMR and DFT studies of the complex of 1,4-dimethylpiperazine mono-betaine with p-hydroxybenzoic acid Journal of Molecular Structure Zofia Dega-Szafran, Andrzej Katrusiak, Mirosław Szafran