Synthesis, Crystal Structure and Thermal Analysis of (TAGH)2(TNR)
A new energetic compound (TAGH)2(TNR) (TAG: triaminoguanidine, TNR: 2,4,6-trinitroresorcinol) was prepared by reacting triaminoguanidine with 2,4,6-trinitroresorcinol (styphnic acid) in aqueous solution under nitrogen atmosphere, and characterized by elemental analysis and Fourier transform
infrared (FTIR) spectra. Its crystal structure was determined by single crystal X-ray diffraction analysis. The crystal belonged to a monoclinic, C2/c space group. The unit cell parameters were as follows: a=2.2892(6) nm, b=1.2802(3) nm, c=1.3661(4) nm, β=111.174(5)°, V=3.7333(16)
nm3, and Z=8. The compound consisted of two cations C(N2H3)+3 and an anion (C6HN3O8)2-. The C(N2H3)+3 and (C6HN3O8)2- were bonded together by electrostatic attraction and hydrogen bonds, and this effect made the compound more stable. The thermal analysis of the compound was studied by using
differential scanning calorimetry (DSC), thermogravimetry-derivative thermogravimetry (TG-DTG). Under nitrogen atmosphere with a heating rate of 10 K·min-1, the thermal decomposition of the compound contained only one intense exothermic decomposition process in the range of 450.1-477.7
K in the DSC curve, and the decomposition products were nearly gaseous products.
Keywords: 2,4,6-Trinitroresorcinol; Crystal structure; Thermal analysis; Triaminoguanidine
Document Type: Research Article
Publication date: 15 July 2008
- Acta Physico-Chimica Sinica, founded in 1985, is sponsored by the Chinese Chemical Society and organized by the College of Chemistry and Molecular Engineering, PekingUniversity. Since 1997, Acta Physico-Chimica Sinica has been indexed in SCI of ISI (US). Acta Physico-Chimica Sinica is devoted to reporting new and original experimental and theoretical basic research of interest to physical chemists, biophysical chemists, and material physical chemists. Manuscripts that are essentially reporting data, applications of data, or reviews of the literature are not suitable for publication in Acta Physico-Chimica Sinica.
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