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Proceedings Paper

New salts of amino acids with dimeric cations
Author(s): V. V Ghazaryan; M. Fleck; A. M. Petrosyan
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Paper Abstract

Among salts of amino acids there are compounds with the composition 2A..HX, which consist of dimeric A...A+ cations with short symmetric or asymmetric hydrogen bonds between zwitter-ionic and protonated moieties. These species are materials liable to undergo phase transitions or possess interesting nonlinear optical properties. Here, we report the preparation of 20 new salts with dimeric cations from aqueous solutions, including compounds of glycine, betaine, β- alanine, L-alanine, L-phenylalanine, L-threonine, L-valine, L-leucine and L-proline, with BF4-, ClO4-, Cl-, Br-, HSeO3-, and HC2O4-; as anions. The prepared salts are characterized by IR and Raman spectroscopy. Some of them are grown in form of good quality single crystals, which allowed the determination of their crystal structure.

Paper Details

Date Published: 4 March 2011
PDF: 9 pages
Proc. SPIE 7998, International Conference on Laser Physics 2010, 79980F (4 March 2011); doi: 10.1117/12.890269
Show Author Affiliations
V. V Ghazaryan, Institute of Applied Problems of Physics (Austria)
M. Fleck, Univ. of Vienna (Armenia)
A. M. Petrosyan, Institute of Applied Problems of Physics (Armenia)

Published in SPIE Proceedings Vol. 7998:
International Conference on Laser Physics 2010
Aram V. Papoyan, Editor(s)

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