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Citation: CAI Kai-Cong, WANG Jian-Ping. Molecular Dynamical Structures of Glycolaldehyde[J]. Acta Physico-Chimica Sinica, ;2009, 25(04): 677-683. doi: 10.3866/PKU.WHXB200904021 shu

Molecular Dynamical Structures of Glycolaldehyde

CAI Kai-Cong ,
WANG Jian-Ping ^,

1.
Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Molecular Reaction Dynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China

Corresponding author: WANG Jian-Ping, jwang@iccas.ac.cn
Received Date: 8 October 2008
Available Online: 26 December 2008

Fromquantumchemical computations, two sets of molecular mechanics force fields based on peptides and aldehydes were developed for the simplest sugar——glycolaldehyde. Molecular dynamics simulations demonstrated that the structure of glycolaldehyde and the solvent water distribution can be better described by aldehyde-like parameters. Probabilities of normal mode frequencies and dipole derivatives were obtained by instantaneous normal mode analysis. This is thus a new way to predict the parameters of femtosecond broadband two-dimensional infrared spectroscopy for biomolecules by combining quantummechanics calculation and molecular dynamics simulation.
- Force field parameter,
- Molecular dynamics simulation,
- IR spectroscopy
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