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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Bibliographic Details
Published in:Journal of crystal growth Vol. 401; pp. 857 - 862
Main Authors: Ghazaryan, V.V., Fleck, M., Petrosyan, A.M.
Format: Journal Article Conference Proceeding
Language:English
Published: Amsterdam Elsevier B.V 01.09.2014
Elsevier
Subjects:
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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Summary: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.
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ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2013.11.054