Chemistry Letters, Vol.36, No.3, 402-403, 2007
Proton migration in -N...H...O- hydrogen-bonded complex of (Chloranilic acid) (1,2-Diazine)(2) studied by dielectric response and infrared absorption spectra
A dielectric response by an intermolecular -(NHO)-H-...-O-...-proton transfer was observed around 120K for (Chloranilic acid) (1,2-Di azine)(2) [CA(1,2-DA)(2)]. This response, observed on the way of the migration from N-(HO)-O-... at 300K to O-(HN)-N-... below 90 K, was demonstrated by infrared absorption spectra and the temperature dependence of lattice constants.