Nano Science and Technology Institute
Nanotech 2004 Vol. 3
Nanotech 2004 Vol. 3
Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 3
 
Chapter 5: Carbon Nano Structures and Devices
 

Theoretical Studies on Relative Stabilities of C70 Fullerene Dimers

Authors:X. Zhao, Z. Slanina and H. Goto
Affilation:Toyohashi University of Technology, JP
Pages:256 - 259
Keywords:fullerene dimer, ab initio method, density-functional theory, entropy-enthalpy interplay
Abstract:Five stable C70 fullerene dimers with [2+2] bridges between hexagon-hexagon bonds, which are experimentally characterized very recently, have been investigated by several semi-empirical approaches and ab initio Hartree-Fock self-consistent field calculation and hybrid density functional theory treatment. Energy difference among the five isomers is predicted to be quite small, where two of them seem to be isoenergetic. The computed B3LYP/6-31G temperature-dependent relative concentrations indicate the two lower energy isomers to be the most thermodynamically populated one with a ratio of 1:1 over a wide temperature area. This finding agrees reasonably with the recently reported experimental observations.
Theoretical Studies on Relative Stabilities of C70 Fullerene DimersView PDF of paper
ISBN:0-9728422-9-2
Pages:561
Hardcopy:$79.95
 
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