Conformational stability, spectral analysis (infrared, Raman and NMR) and DFT calculations of 2-Amino-5-(ethylthio)-1,3,4-thiadiazole

Vibrational and NMR spectra of 2-Amino-5-(ethylthio)-1,3,4-thiadiazole favor conformer 5 in harmony with DFT computational data. Confident vibrational assignments are proposed and barriers to internal rotations are estimated.230