期刊
OPTICAL MATERIALS
卷 30, 期 6, 页码 1001-1006出版社
ELSEVIER
DOI: 10.1016/j.optmat.2007.05.028
关键词
L-arginine maleate dihydrate; X-ray diffraction; hydrogen bonds; infrared and Raman spectra; thermal properties; nonlinear optical properties
From the aqueous solution containing L-arginine and maleic acid (C4H4O4), crystals of L-arginine maleate dihydrate were grown. The crystal structure was determined by single crystal X-ray diffraction. In the triclinic unit cell (space group PI), the molecule contains one L-arginine cation, one maleate anion and two water molecules. The crystal can be described as an inclusion complex from its layer structure. The basic unit in L-arginine layer is centrosymmetric and the maleate anions exist in coplanarity. Hydrogen bond plays a great role in the construction of the crystal and nonlinear optical properties. The crystal was characterized by infrared (IR) and Raman spectra. Thermogravimetric analysis (TGA) and differential thermal analysis (DTA) were used to study its thermal properties. Powder second harmonic generation (SHG) experiment was investigated to explore its NLO properties. (C) 2007 Elsevier B.V. All rights reserved.
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