Journal
JOURNAL OF MOLECULAR STRUCTURE-THEOCHEM
Volume 896, Issue 1-3, Pages 25-29Publisher
ELSEVIER
DOI: 10.1016/j.theochem.2008.10.036
Keywords
C24H24; Endohedral fullerenes; Structure; Stability; DFT
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Funding
- Weinan Teachers University of China [08YKZ009]
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Based on the D-6d-symmetrical C24H24 fullerene, the equilibrium geometries, electronic structures, vibrational frequencies, energy gaps and BSSE-corrected binding energies of the endohedral fullerenes X@C24H24 (X = H, Li, Li+, Na, Na+, K, K+, Be, Mg, Mg2+, Ca, Ca2+, B, Al, C, Si, N and P) have been calculated using the DFT-B3LYP/6-31G(d) level. The results suggest that all the endohedral fullerenes are slightly enlarged along the same groups. such as IA, IIA, IIIA, IVA and VA, respectively. The endohedral fullerenes containing C, Si, N and P atoms have their high-spin states, and containing Li+, Mg2+ and Ca2+ cations are energetically favorable. Additionally, some of the investigated compounds have high energy gap, but they are unlikely to show high thermodynamic stability because of the positive BSSE-corrected binding energies. (C) 2008 Elsevier B.V. All rights reserved.
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