single molecules
Toying with molecules
08/08/08 08:08
Quantum dynamics of hydrogen bonds
01/04/08 12:00
Water molecules are bound each other by hydrogen bond. In liquid water, three-dimensional networks of water moledules, formed by hydrogen bond, are rapidly changing their structure by incessant annihiration and re-creation of hydrogen bonds. It is believed that the chemical reaction in aqueous solution including those in vivo are influenced by the hydrogen bond. Kumagai and Okuyama in our group succeeded in observing in real space the dynamics of hydrogen-bond alteration in water-dimer clusters isolated on a metal surface. They even revealed how the hydrogen bond alteration is governed by quantum mechanical tunneling effect....
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