Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 124, Issue -, Pages 603-610Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2014.01.064
Keywords
Organic compounds; Crystal structure; Single crystal growth; Slow evaporation; X-ray diffraction; Micro-hardness
Categories
Funding
- management, Vellore Institute of Technology (VIT), Vellore
- Defence Research and Development Organization (DRDO), Govt. Of India [ERIP/ER/1103929M/01/1402]
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Single crystals of organic optical material, 2-[2-(4-Diethylamino-phenyl)-vinyl]-1-methyl-pyridinium naphthalene-2-sulfonate (DESNS) (15 x 10 x 9 mm(3)) were grown by a slow evaporation technique at room temperature using methanol-acetonitrile (1:1) mixed solvent. The molecular structure of the grown crystal was confirmed by single crystal X-ray diffraction studies, and it belongs to orthorhombic system with space group Pbca and the unit cell dimentions are a = 11.5148(3) angstrom, b= 15.4352(4) angstrom, c= 27.2187(7) angstrom, Z = 8. The crystallinity of the title crystals was confirmed from the powder XRD pattern. The presence of functional groups of the title crystal was confirmed from the FTIR spectral studies. The transparent range and cut off wavelength of the grown crystal was studied by the UV-Vis-NIR spectroscopic analysis. The mechanical properties and thermal behavior of the grown crystals were studied from Vickers microhardness test and TG/DTA. (C) 2014 Elsevier B.V. All rights reserved.
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