Department of Chemistry


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Published by American Institute of Physics. J. Chem. Physics VOLUME 113, NUMBER 12, 22 SEPTEMBER 2000. ©2000 American Institute of Physics. Permission to use.


It is discovered that for an n-gonal ice nanotube built from stacking a single type of n-gonal rings of water, the unit cell consists of two stacked n-gonal rings. In one ring the O–H bonds of water molecules line up clockwise whereas in the other ring the O-H bonds line up counterclockwise. Among the n-gonal ice nanotubes examined, the pentagonal or hexagonal ice nanotube appears to be the most stable.

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