期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 1217, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.molstruc.2020.128427
关键词
Crystal structure; 1,3,5-Triazine-2,4,6-triamine; FTIR; Thermal analysis; Thermal decomposition
资金
- Tunisian Ministry of Higher Education and Scientific Research
- Spanish Programa Nacional de Materiales [MAT2014-51778-C2-2-R]
- Universitat de Girona [MPCUdG2016/059.D]
- Generalitat de Catalunya [2014SGR-00948]
A new organic-inorganic phase [(C3N6H7)(2)Te(OH)(6)center dot 2Cl] has been synthesized by a wet method and characterized by X-ray single crystal diffraction, infrared and Raman spectroscopy and thermal analysis. This compound is found to crystallize in a triclinic space group P (1) over bar. The final refinement cycle of all isotropic and anisotropic thermal parameters led to R = 0.026 and wR = 0.03. The atomic arrangement can be described as an alternation of organic and inorganic layers along the a-axis. The crystal packing is governed by the N-H center dot center dot center dot Cl, O-H center dot center dot center dot Cl and non-classical N-H center dot center dot center dot N hydrogen bonding interactions, the latter plays a key role in the stabilization of the crystal structure. Thermal decomposition of the title compounds involves three stages; dehydration, formation of different tellurium oxides and the decomposition of the organic part to form a polymer product called melon. The last stage entails the complete removal of the organic part and formation of TeO2. (C) 2020 Elsevier B.V. All rights reserved.
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