✦ LIBER ✦

Structural and thermal characterization of L-arginine dihydrate - a nonlinear optical material

✍ Scribed by Tapati Mallik; Tanusree Kar; Gabriele Bocelli; Amos Musatti

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 170 KB
Volume: 41
Category: Article
ISSN: 0232-1300
DOI: 10.1002/crat.200510574

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✦ Synopsis

Crystal structure and thermal stability of the hydrated crystals of the basic amino acid L-arginine named as Larginine dihydrate (LAD), a nonlinear optical material have been reported here. The title compound crystallized in the space group P2 1 2 1 2 1 with Z=4 and unit cell dimensions a=11.856(2)Å, b=15.694(2)Å, c=5.664(3)Å. The arginine molecule is a zwitterion with the guanidyl group accepting an extra proton from the carboxylate group. DTA-TG analysis gives an idea about the thermal behaviour of LAD and ruled out the possibility of structural changes independent of mass changes.

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