Abstract
Physicochemical properties of a new hybrid compound (C7H9N2O)3HSO4SO4 are synthesized in aqueous solution and characterized by various physicochemical studies. This compound crystallizes in the monoclinic space group P21/c and a unit cell with a = 10.3028(2)A°, b = 12.4995(2)A°, c = 20.6730(2)A°, V = 2600.61(7)A°3, and Z = 8. The structure has been solved using direct method and refined to a reliability R factor of 4.6%. The atomic arrangement of this compound is built up by (HS2O8)3- anionic pairs interconnected with two types (C7H9N2O)22+ cationic pairs via (N, O)-H...O hydrogen bonds. The characterization of these salts was carried out using X-ray diffraction, IR spectroscopy and thermal analysis.
Highlights
The synthesis of new hybrid materials based sulfate, phosphate and arsenate may contain original physical properties, is one of several research studies in chemistry laboratories in the world, due to its importance in bothHow to cite this paper: Belghith, S., Chmengui, S. and Hamada, L.B. (2015) Crystal Structure and Physicochemical Properties of a New Tris (2-Amoniumbenzamide) Sulfate (C7H9N2O)3HSO4SO4
The cohesion forces in these hybrid compounds are dominated by electrostatic interactions, Vander Waals contacts, and hydrogen bonds (O-H...O and N-H...O)
These hydrogen bonds play an important role in the mechanism of association of molecules that either biological or not
Summary
The synthesis of new hybrid materials based sulfate, phosphate and arsenate may contain original physical properties, is one of several research studies in chemistry laboratories in the world, due to its importance in both. The cohesion forces in these hybrid compounds are dominated by electrostatic interactions, Vander Waals contacts, and hydrogen bonds (O-H...O and N-H...O). These hydrogen bonds play an important role in the mechanism of association of molecules that either biological or not. This work reports the chemical preparation, crystal structure and physico-chemical study of a new organic sulfate (C7H9N2O)3HSO4SO4. Crystals of the title compound, (C7H9N2O)3HSO4SO4, were prepared by slow evaporation at room temperature of an aqueous solution of sulfuric acid (98wt% from Fluka) and the organic molecule 2-Aminobenzamide (Sigma-Aldrich ) in a 2:3 molar ratio. The resulting solution was left to slowly evaporate at room temperature until single crystals suitable for X-ray structure analysis formulates and remain stable under normal conditions of temperature and humidity
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