The new compounds strontium 5‐nitriminotetrazolate dihydrate (1), strontium bis(1‐hydro‐5‐nitriminotetrazolate) tetrahydrate (2), strontium bis(1‐methyl‐5‐nitriminotetrazolate) monohydrate (3) and strontium bis(2‐methyl‐5‐nitraminotetrazolate)·x H2O (x = 2–4) (4) were synthesized by the reactions of strontium hydroxide octahydrate and 5‐nitriminotetrazole (5), 1‐methyl‐5‐nitriminotetrazole (6) and 2‐methyl‐5‐nitraminotetrazole (7), respectively. The compounds were characterized using multinuclear NMR spectroscopy, vibrational (IR and Raman) spectroscopy, elemental analysis and differential scanning calorimetry. The solid state structures of 1, 2, 3 and 4 were determined using low temperature X‐ray diffraction. In addition, the sensitivities (impact, friction, electrical discharge) of 1–4 were investigated and their use as red colorants in pyrotechnic compositions was tested.
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Klapötke et al. (2008) studied this question.