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Crystal structure, thermal analysis and IR spectrometric investigation of bis (2-amino-6-methyl) pyridinium sulfate

✍ Scribed by T. Guerfel; A. Chtioui; A. Gharbi; A. Jouini

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 194 KB
Volume: 41
Category: Article
ISSN: 0232-1300
DOI: 10.1002/crat.200510596

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✦ Synopsis

The synthesis method, crystal structure determination, phase transitions studied by thermal analysis and IR spectrometric investigation of 2C 6 H 9 N 2 + .SO 4 2-are reported. The compound crystallizes in the monoclinic space group C2/c (no. 15) with a = 10.5068(4) Å, b = 10.2225(5) Å, c = 14.0422(7) Å, and β = 104.489(3)°. The atomic arrangement can be described by layers built by all the components of the structure and centered by planes z = 1/4 and 3/4. The organic molecules form channels parallel to the c direction with dimensions of 4.163(1)Å and 5.148(4)Å. Thermal analysis shows that the anhydrous compound presents an irreversible weak phase transition. The IR study, based on theoretical analyses and on the literature data allows the interpretation of the IR spectrum.

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