molecules Review Some Brief Notes on Theoretical and Experimental Investigations of Intramolecular Hydrogen Bonding Lucjan Sobczyk 1, Dorota Chudoba 2,3, Peter M. Tolstoy 4 and Aleksander Filarowski 1,3,* 1 Faculty of Chemistry, University of Wrocław, 14 F. Joliot-Curie Str., 50-383 ...