The Interaction of Water with Glycine: A Combined Inelastic Neutron Scattering and Raman Spectra Studies

• Authors: P Zhang , Y Zhang , S Han , Q Yan , J Li
• Languages of publication: EN

Abstracts

EN

The vibrational dynamics of water around glycine was investigated by using Raman spectroscopy and inelastic neutron scattering. Experiments of deuterated glycine versus deuterium were performed as comparison. The study shows that for glycine, the exchange of proton-deuteron on the active NH_3^+ side was easy, whereas there was hardly exchange on the CH_2 side. Comparing different proportion of glycine vs. water molecules we obtained that the presence of water hardly changes the main features of glycine illustrating its hydrophobic character. The intralayer hydrogen bonds of glycine crystal are difficult to be replaced due to its stronger bond than water.

Keywords

EN

36.20.Ng; 87.64.Je; 25.40.Fq; 82.30.Rs

Discipline

• 82.30.Rs: Hydrogen bonding, hydrophilic effects
• 25.40.Fq: Inelastic neutron scattering
• 36.20.Ng: Vibrational and rotational structure, infrared and Raman spectra

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2006
• Volume: 109
• Issue: 3
• Pages: 399-404

Dates

published

2006-03

received

2005-05-20

Contributors

author

P Zhang

• Department of Space Science& Applied Physics, Shandong University at Weihai, Weihai 264209, China
• State Key Laboratory for Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

author

Y Zhang

• State Key Laboratory for Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

author

S Han

• Department of Space Science& Applied Physics, Shandong University at Weihai, Weihai 264209, China

author

Q Yan

• State Key Laboratory for Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

author

J Li

• Department of Physics, The University of Manchester, Manchester M60 1QD, UK

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Identifiers

DOI

10.12693/APhysPolA.109.399