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Crystal structure of mono-β-alanine hydrochloride

Dmitry S. Tsvetkov, Maxim O. Mazurin


Crystal structure of mono-β-alaninium chloride has been studied by single crystal X-ray diffraction. The compound crystallizes in the orthorhombic system. The space group is Pbca, with the following lattice constants: = 9.7414(5) Å, = 7.4671(6) Å, = 16.5288(11) Å, = 1202.31(14) Å3, Z = 8. The asymmetric unit contains one β-alaninium cation (+NH3CH2CH2COOH) and one chloride anion. The structure was shown to consist of layers stacked along the c-axis and connected with each other by weak van der Waals forces. Each layer consists of two halves linked by hydrogen bonds between carbonyl and NH3+ groups and, also, between NH3+ groups and Cl- anions. Fourier transform infrared spectrum of β-alaninium chloride was recorded and analyzed. The spectroscopic results were found to support the conclusions of the structural study.


β-alanine; amino acids; X-ray diffraction; FTIR

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Copyright (c) 2020 Dmitry S. Tsvetkov, Maksim O. Mazurin

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Chimica Techno Acta, 2014-2024
ISSN 2411-1414 (Online)
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