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  • Title: Studies on the growth and characterization of a non linear optical crystal: 3 Hydroxy Pyridinium Tartrate Mono Hydrate (3HPTMH).
    Author: Balaji J, Prabu S, Srinivasan P, Srinivasan T, Velmurugan D.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2015 Jun 05; 144():139-47. PubMed ID: 25754389.
    Abstract:
    Single crystals of 3 Hydroxy Pyridinium Tartrate Mono Hydrate (3HPTMH) was synthesised and successfully grown in mixed solvent of ethanol and water by slow evaporation technique at room temperature. 3HPTMH belongs to the orthorhombic crystal system with space group P212121. The lattice parameters of 3HPTMH are a=7.4597(2)Å, b=8.7012(3)Å, c=17.8786(5)Å, V=1160.47(6)Å(3), obtained by single crystal X ray diffraction studies. Hyperpolarizability and HOMO-LUMO analysis were performed for grown crystal using DFT calculations using Gaussian 03 software. Functional groups were identified by FT-IR studies. The lower cut-off wavelength of the 3HPTMH has been identified by UV-Vis study. The thermal behavior has been studied by thermal gravimetric analysis and differential thermal analysis. The powder second harmonic generation efficiency of 3HPTMH was compared with KDP.
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