Single reflection diamond

¹H-NMR analysis was performed for solutions in CDCl₃ on a Varian Unity Inova (Palo Alto, CA, USA) spectrometer with a resonance frequency of 300 MHz using TMS as the internal standard. IR spectroscopy was carried out on a PerkinElmer Spectrum Two (Waltham, MA, USA) spectrometer with a UATR (Single Reflection Diamond (Waltham, MA, USA)) module. The results of spectroscopic investigations for the synthesised samples are summarised in Table 10 and Table 11.
In the case of GAP, the most characteristic peak occurs in the range of about (3.00–3.80 ppm)—a peak originating from protons of the -CH₂N₃ group. It is impossible to accurately determine the value of the shift characteristic of this group, due to the overlapping signals from the other groups present in the repeat unit.
For glycidyl azide polymer, the IR spectrum contains signals at 2101 cm⁻¹ and at 1258 cm⁻¹, originating from stretching vibrations of the azide group. The absorption band present at 1089 cm⁻¹ corresponds to C-O-C stretching vibrations from the ether chain connecting the moieties in the polymer molecule.
Absorption bands, characteristic of -NO₂ group vibrations, are observed for nitroguanidine at 1394 cm⁻¹ and at 1631 cm⁻¹. Absorption bands at 3259 cm⁻¹ and at 339 cm⁻¹ correspond to vibrations originating from the N-H bond.

FT-IR/ATR analysis was performed through a Spectrum Two PE instrument supplied by PerkinElmer, endowed with a universal ATR accessory (UATR, Single Reflection Diamond/ZnSe). For each sample, FT-IR/ATR spectra were recorded from 400 to 4000 cm-1 with a 4 cm-1 resolution.