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Synthesis, Growth, Crystal Structure and Characterization of the o-Toluidinium Picrate

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DOI: 10.4236/jcpt.2013.34020    3,893 Downloads   6,768 Views   Citations

ABSTRACT

A new organic charge transfer molecular complex salt of o-toluidinium picrate (OTP) was synthesised and the single crystals were grown by the slow solvent evaporation solution growth technique using methanol as a solvent at room temperature. Formation of the new crystal has been confirmed by single crystal X-ray diffraction (XRD) and NMR spectroscopic techniques. The crystal structure determined by single crystal X-ray diffraction indicates that both the cation and the anion are interlinked to each other by three types of intermolecular hydrogen bonds, namely N(4)-H(4A)···O(7), N(4)-H(4B)···O(5) and N(4)-H(4C)···O(7). The title compound (OTP) crystallizes in monoclinic crystal system with the centrosymmetric space group P21/c. Fourier transform infrared (FT IR) spectral analysis was used to confirm the presence of various functional groups in the grown crystal. The optical properties were analyzed by the UV-Vis-NIR and fluorescence emission studies.

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K. Mohana Priyadarshini, A. Chandramohan and T. Uma Devi, "Synthesis, Growth, Crystal Structure and Characterization of the o-Toluidinium Picrate," Journal of Crystallization Process and Technology, Vol. 3 No. 4, 2013, pp. 123-129. doi: 10.4236/jcpt.2013.34020.

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