A series of potentially explosive Werner-type cobalt(iii) complexes comprising the anions azotetrazolate, nitrotetrazolate, picrate and dipicrylamide have been prepared via simple metathetical routes. Representative studies of the energetic properties (impact and friction sensitivity, combustion) revealed that some of the new compounds are primary explosives.

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Abstract:The title compound [H 2 NNHC(NH 2 ) 2 ] 2 [C 6 HO 2 (NO 2 ) 3 ] (2) was prepared in 85% yield by treatment of sodium styphnate with 2 equivalents of aminoguanidinium nitrate, followed by crystallization from aqueous solution. Compound 2 crystallizes in the triclinic space group Pī with unit cell dimensions a = 6.7224 (

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