Abstract
Hartree–Fock (HF) calculations for a variety of single-walled carbon nanotube (SWCNT) systems indicate linear relationships between electronic energies and changes in length and circumference for both armchair and zigzag type nanotubes. A simple protocol to predict energies for large SWCNT (C atoms >500) is developed through a set of structural parameters and AM1 optimized geometries from small SWCNTs. The energetic trends shown by the calculations are used to support the theory of SWCNT nucleation from a preformed carbon, or graphene with six 5-member rings, cap.
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Acknowledgements
Funding for this work was provided for by the National Science Foundation under the LSAMP-Bridge to the Doctorate Program, and a Mr. and Mrs. MacIntosh Murchinson Endowment. The IBM Shared University Research Grant is responsible for the use of the STAR computer at The University of Texas at El Paso.
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Lair, S.L., Herndon, W.C. & Murr, L.E. Energetic trends of single-walled carbon nanotube ab initio calculations. J Mater Sci 42, 1819–1827 (2007). https://doi.org/10.1007/s10853-006-0815-z
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DOI: https://doi.org/10.1007/s10853-006-0815-z