# Carbon clusters near the crossover to fullerene stability

@article{Kent2000CarbonCN,
title={Carbon clusters near the crossover to fullerene stability},
author={Paul R. C. Kent and Michael D. Towler and Richard J. Needs and Gunaretnam Rajagopal},
journal={Physical Review B},
year={2000},
volume={62},
pages={15394-15397}
}
• Published 20 September 1999
• Materials Science
• Physical Review B
The energetic stability of structural isomers of ${\mathrm{C}}_{24},$ ${\mathrm{C}}_{26},$ ${\mathrm{C}}_{28},$ and ${\mathrm{C}}_{32}$ clusters, including fullerenes, is studied using diffusion quantum Monte Carlo methods. We predict that a ${\mathrm{C}}_{24}$ isomer is the smallest stable graphitic fragment and that the smallest stable fullerenes are the ${\mathrm{C}}_{26}$ and ${\mathrm{C}}_{28}$ clusters with ${C}_{2v}$ and ${T}_{d}$ symmetry, respectively. Given suitable experimental…
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