New chemical analogs of triglycine sulfate

Triglycine sulfate (TGS) and its analogs can be presented by the molecular structure AH(A⋯AH)Y, where A is an amino acid (glycine in TGS) in zwitter-ionic form, AH is a protonated cationic amino acid, (A⋯AH) is a dimeric cation, where A and AH are connected by a short hydrogen bond, and Y is a dival...

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Vydané v:	Journal of crystal growth Ročník 401; s. 857 - 862
Hlavní autori:	Ghazaryan, V.V., Fleck, M., Petrosyan, A.M.
Médium:	Journal Article Konferenčný príspevok..
Jazyk:	English
Vydavateľské údaje:	Amsterdam Elsevier B.V 01.09.2014 Elsevier
Predmet:	A1. Crystal structure A2. Growth from solution Amino acids Analogs B1. Salts of amino acids Cationic Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science; rheology Crystal growth Crystals Exact sciences and technology Glycine Growth from solutions Hexafluorosilicate Hydrogen bonds Materials science Methods of crystal growth; physics of crystal growth Physics Structure of solids and liquids; crystallography Structure of specific crystalline solids Triglycine sulfate A2. Growth from solution Hexafluorosilicate B1. Salts of amino acids A1. Crystal structure Crystal growth TGS Molecular structure Amino acids Glycine Sulfates Hydrogen bonds Growth from solution Crystal structure
ISSN:	0022-0248, 1873-5002
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Popis
Shrnutí:	Triglycine sulfate (TGS) and its analogs can be presented by the molecular structure AH(A⋯AH)Y, where A is an amino acid (glycine in TGS) in zwitter-ionic form, AH is a protonated cationic amino acid, (A⋯AH) is a dimeric cation, where A and AH are connected by a short hydrogen bond, and Y is a divalent anion. Doing research on amino acid hexafluorosilicates we obtained a series of salts with different compositions, including four hexafluorosilicate salts which chemically are analogs of triglycine sulfate. Those are GlyH(Gly⋯GlyH)SiF6 (I), SarH(Sar⋯SarH)SiF6·2H2O (II), l-AlaH(l-Ala⋯l-AlaH)SiF6·H2O (III) and l-ProH(l-Pro⋯l-ProH)SiF6·H2O (IV). We have already published our results on crystals (II) and (III). In this work we report our results on the crystals (I) and (IV). •We found four amino acid hexafluorosilicate salts in 3:1 compositions.•These salts are chemical analogs of triglycine sulfate.•Crystals and molecular structures are given.
Bibliografia:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0022-0248 1873-5002
DOI:	10.1016/j.jcrysgro.2013.11.054