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Details of Grant 

EPSRC Reference: GR/K54717/01
Title: USE OF NEUTRON/ADVANCED COMPUTATIONAL TECHNIQUES IN TH STUDY OF HYDROGEN BONDING IN ICES, WATER AND HYDRATES
Principal Investigator: Li, Dr J
Other Investigators:
Ross, Professor K
Researcher Co-Investigators:
Project Partners:
Department: Unknown (Data Transfer)
Organisation: University of Salford
Scheme: Standard Research (Pre-FEC)
Starts: 01 March 1996 Ends: 30 September 1996 Value (£): 56,588
EPSRC Research Topic Classifications:
Chemical Structure
EPSRC Industrial Sector Classifications:
Related Grants:
Panel History:  
Summary on Grant Application Form
Water/ice is one of the most studied and least understood of materials. The lack of progress in this field is largely due to our poor understanding of the H-bond interaction. This proposal originates in our recent discovery of two distinct types of H-bonds in various phases of ice. These H-bonds are differentiated by the local proton configurations or by dipole arrangements of adjacent molecules. The ratio of forece constants associated with these two types of H-bonds is about 1:2 and is too large to be explained by any classical considerations. Our preliminary ab initio quantum mechanical calculations show a large cooperative effect due to different dipole configurations of adjacent molecules. In this proposal we combine the uses of quantum mechanics, molecular dynamics and lattic dynamics calculations with neutron scattering data in extensions of our investigations of the two types of H-bonds in solid and liquid water, clathrates and of water in biological systems. The work is original and is of enormous interest to a large segment of the scientific community for which the properties of water are important.
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Organisation Website: http://www.salford.ac.uk