Journal
CHEMICAL PHYSICS LETTERS
Volume 422, Issue 4-6, Pages 451-454Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2006.02.100
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Geometry optimization is efficient using generalized Gaunt coefficients, which significantly limit the amount of cross differentiation for multi-center integrals of high-angular-momentum solid-harmonic basis sets. The geometries of the most stable C-240, C-540, C-960, C-1500, and C-2160 icosahedral fullerenes are optimized using analytic density-functional theory, which is parameterized to give the experimental geometry of C-60. The calculations are all electron. the orbital basis set includes d functions and the exchange-correlation-potential basis set includes f functions. The largest calculation on C-2160 employed about 39000 basis functions. (c) 2006 Elsevier B.V.. All rights reserved.
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