Synthesis,crystal structure,Hirshfeld surface analysis,and vibrational and DFT investigation of [C6H10(NH3)2]3CuBr4.3Br |
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Authors: | Radhia Mesbeh Ali Ben Ahmed Besma Hamdi Ridha Zouari |
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Affiliation: | 1.Laboratoire des Sciences des Matériaux et de l’Environnement, Faculté des Sciences de Sfax,Sfax,Tunisia;2.Laboratoire de Physique Appliquée (LPA), Faculté des Sciences de Sfax,Université de Sfax,Sfax,Tunisia |
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Abstract: | Single crystal of a new organic–inorganic hybrid material [C6H10(NH3)2]3CuBr4.3Br was synthesized by the slow evaporation method at room temperature and characterized by X-ray diffraction, FTIR, Raman spectroscopy, UV–Vis, dielectric measurements, and Hirschfield surface analysis. The title compound crystallizes in trigonal system ( Poverline{3} ).The crystal packing is governed by the N-H…Br and non-classical C-H…Br hydrogen-bonding interactions between the 1, 2-diamoniumcyclohexane cations, the tetrahedral [CuBr4]3? anions, and the isolated ion Br?. Theoretical calculations were performed using density functional theory (DFT) for studying the molecular structure, vibrational spectra, and optical properties of the investigated molecule in the ground state. The optimized geometrical parameters obtained by DFT calculations are in good agreement with single crystal XRD data. The optical properties were investigated by optical absorption and show two bands at 260 and 305 nm. |
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