A mixed ligand complex of manganese(Ⅱ) carbohydrazide azide, Mn(CHZ)2(N3)2 (CHZ=carbohydrazide), was synthesized and characterized by using elemental analysis and Fourier transform infrared (FTIR) spectrum. Its crystal structure was determined by single crystal Xray diffraction analysis. The crystal belongs to triclinic, Pī space group, a=8.2217(17), b=8.7427(18), c=9.4532(19), α=86.376(4)°, β=69.104(3)°, γ=74.019(3)°, V=609.8(2)A3, Dc=1.738 g·cm-3, Z=2, R1=0.0316, wR2[I>2σ(I)]=0.0826 and S=1.132. The central Mn(Ⅱ) ion is sixcoordinated with two carbohydrazide molecules and two monodentate azido ligands, and carbohydrazide serves as bidentate ligands through the carbonyl oxygen atom and one of the terminal nitrogen atoms. The thermal decomposition mechanism of the complex was studied by using differential scanning calorimetry (DSC), thermogravimetryderivative thermogravimetry (TGDTG) and FTIR techniques. Results show that the final residue of thermal decomposition at 500 ℃ is MnO.
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刘振华,张同来,张建国,等. Mn(CHZ)2(N3)2配合物的合成、晶体结构与热分解研究(英)[J].含能材料, 2008, 16(6):663-668. LIU Zhen-hua. Preparation crystal structure and thermal decomposition mechanism of Mn(CHZ)2(N3)2[J]. Chinese Journal of Energetic Materials, 2008, 16(6):663-668.