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Structural, vibrational and thermal studies of a new nonlinear optical material: L-Asparagine-L-tartaric acid

Moovendaran, K and Srinivasan, Bikshandarkoil R and Sundar, Kalyana J and Dhas, Martin Britto SA and Natarajan, S (2012) Structural, vibrational and thermal studies of a new nonlinear optical material: L-Asparagine-L-tartaric acid. In: SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 92 . pp. 388-391.

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Official URL: http://dx.doi.org/10.1016/j.saa.2012.02.089

Abstract

Crystals of a new nonlinear optical (NLO) material, viz., L-asparagine-L-tartaric acid (LALT)(1) were grown by slow evaporation of an aqueous solution containing equimolar concentrations of L-asparagine and t-tartaric acid. The structure of the title compound which crystallizes in the non-centrosymmetric monoclinic space group P2(1) consists of a molecule of L-asparagine and a molecule of free L-tartaric acid both of which are interlinked by three varieties of H-bonding interactions namely O-H center dot center dot center dot O, N-H center dot center dot center dot O and C-H center dot center dot center dot O. The UV-Vis-NIR spectrum of 1 reveals its transparent nature while the vibrational spectra confirm the presence of the functional groups in 1. The thermal stability and second harmonic generation (SHG) conversion efficiency of 1 were investigated. (C) 2012 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Elsevier Science
Keywords: Crystal growth;L-Asparagine L-tartaric acid;Crystal structure;Non-linear optical material;Single crystal
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 22 Aug 2012 09:15
Last Modified: 22 Aug 2012 09:16
URI: http://eprints.iisc.ernet.in/id/eprint/44429

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