Journal
COMPUTATIONAL AND THEORETICAL CHEMISTRY
Volume 1013, Issue -, Pages 70-77Publisher
ELSEVIER
DOI: 10.1016/j.comptc.2013.03.009
Keywords
Fullerenes; Ab initio methods; Relativistic calculations
Categories
Funding
- Russian Foundation for Basic Research [10-03-00152]
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The geometry optimization of the neutral molecules An@C-40 (An = Th-Md) was carried out using the DFT based DMol(3) method. For the calculations of electronic structure of these complexes we used the fully relativistic discrete variational method (RDV). The systems containing Th, Pa, U and Np have considerable energetic stability, which is noticeably greater than that of corresponding exohedral and networked complexes. The clusters containing actinide atom from Pu to Fm are also more stable than empty C-40 cage. It was found, that the 5f-orbitals contribution to chemical bonding is noticeably less than that of the 6d-states even for the complexes at the beginning of An@C-40 row. The effective charges on the atoms were calculated using integral scheme incorporated in RDV and Hirshfeld procedure of DMol(3). (C) 2013 Elsevier B.V. All rights reserved.
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