New salts of amino acids with dimeric cations

V. V Ghazaryan; M. Fleck; A. M. Petrosyan

doi:10.1117/12.890269

4 March 2011 New salts of amino acids with dimeric cations

V. V Ghazaryan, M. Fleck, A. M. Petrosyan

Proceedings Volume 7998, International Conference on Laser Physics 2010; 79980F (2011) https://doi.org/10.1117/12.890269
Event: International Conference on Laser Physics 2010, 2010, Ashtarak, Armenia

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.

Citation Download Citation

V. V Ghazaryan, M. Fleck, and A. M. Petrosyan "New salts of amino acids with dimeric cations", Proc. SPIE 7998, International Conference on Laser Physics 2010, 79980F (4 March 2011); https://doi.org/10.1117/12.890269

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