Computational study of effect of solvents on vibrational spectra of coumarin 500

Interaction between coumarin 500 and methanol involving: (a) CO bond of ring A (b) NH bond of ethylamine group (c) CF bonds of CF3 group (d) CH bonds of ring B and ethylamine group and (e) shows interaction between four methanol molecules and a single molecule of coumarin 500.79