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Isomerization and melting-like transition of size-selected water nonamers

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Brudermann,  J.
Research Group Clusterdynamik, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Buck,  U.
Research Group Clusterdynamik, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Brudermann, J., Buck, U., & Buch, V. (2002). Isomerization and melting-like transition of size-selected water nonamers. Journal of Physical Chemistry A, 106(3), 453-457.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0029-17A5-3
Abstract
The vibrational OH-stretch spectra of size-selected pure water (H2O)9 clusters, measured at two different temperatures, have been used to identify isomeric transitions. The broad, featureless high-temperature, liquid-like spectrum resembles that of water, while the structured low- temperature, solid- like spectrum differs appreciably from that of ice. Accompanying calculations suggest that the low-temperature spectra originate from two cube-like structures. The high temperature spectra appear to be above an isomeric transition to more open amorphous arrangements of fused three- to five- membered rings.