picosecond IR pump-probe measurementsvibrational relaxationPicosecond infrared pump–probe measurements of the vibrational relaxation of the nitro (NO 2 ) functional group asymmetric stretch (1580 cm 1 ) of sev
Their calculations reveal a group of low intensity IR bands in the spectral region 3120–3150 cm−1, which they assign to the C–H fundamental vibrations of the various CL-20 polymorphs. They found that their computed spectra were very similar in frequency and intensity for the various ...