Synthesis and characterization of a new monophosphate [2,5-(CH3)2C6H3NH3]H2PO4 |
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Authors: | K. Kaabi |
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Affiliation: | Laboratoire de Chimie des Matériaux, Faculté des Sciences de Bizerte, 7021 Zarzouna, Bizerte, Tunisia |
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Abstract: | Chemical preparation, calorimetric studies, crystal structure and spectroscopic investigations are given for a new noncentrosymmetric organic cation monophosphate [2,5-(CH3)2C6H3NH3]H2PO4. This compound is orthorhombic P212121 with the following unit-cell parameters: a=5.872(4), b=20.984(3), c=8.465(1) Å, Z=4, V=1043.0(5) Å3 and Dx=1.396 g cm−3. Crystal structure has been solved and refined to R=0.048 using 2526 independent reflections. Structure can be described as an inorganic layer parallel to (a,b) planes between which organic groups [2,5-(CH3)2C6H3NH3]+ are located. Multiple hydrogen bonds connecting the different entities of compound thrust upon three-dimensional network a noncentrosymmetric configuration. |
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Keywords: | A. Optical materials B. Chemical synthesis C. X-ray diffraction C. Infrared spectroscopy C. Thermogravimetric analysis (TGA) D. Crystal structure |
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