Cu6Sc+ and Cu5Sc: Stable, high symmetry and aromatic scandium-doped coinage metal clusters

Tibor Höltzl, Nele Veldeman, T. Veszprémi, Peter Lievens, Minh Tho Nguyen

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The Cu6Sc+ cation was detected experimentally as a stable bimetallic cluster [N. Veldeman, T. Höltzl, S. Neukermans, T. Veszprémi, M.T. Nguyen, Phys. Rev. A. 76 (2007) 011201]. DFT calculations using the BP86 functional with various basis sets yield a D3h tricapped tetrahedron shaped structure as the most stable isomer. This cluster has a S2P6 electron configuration with a closed electronic shell, and its electrons tend to localize around Sc thereby fully occupying electron shell orbitals. Stability, high symmetry, and the NICS show that this cluster is aromatic. The neutral Cu5Sc cluster has the same electron configuration as Cu6Sc+. In agreement with qualitative predictions, DFT computations show that the C4v octahedron-shaped Cu5Sc cluster features a closed electronic structure and an aromatic character.

Original languageEnglish
Pages (from-to)304-307
Number of pages4
JournalChemical Physics Letters
Volume469
Issue number4-6
DOIs
Publication statusPublished - Feb 17 2009

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Coinage
Scandium
scandium
metal clusters
Metals
Electrons
symmetry
Discrete Fourier transforms
electrons
Isomers
Electronic structure
Cations
configurations
tetrahedrons
isomers
electronic structure
cations
orbitals
predictions
electronics

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Physics and Astronomy(all)

Cite this

Cu6Sc+ and Cu5Sc : Stable, high symmetry and aromatic scandium-doped coinage metal clusters. / Höltzl, Tibor; Veldeman, Nele; Veszprémi, T.; Lievens, Peter; Nguyen, Minh Tho.

In: Chemical Physics Letters, Vol. 469, No. 4-6, 17.02.2009, p. 304-307.

Research output: Contribution to journalArticle

Höltzl, Tibor ; Veldeman, Nele ; Veszprémi, T. ; Lievens, Peter ; Nguyen, Minh Tho. / Cu6Sc+ and Cu5Sc : Stable, high symmetry and aromatic scandium-doped coinage metal clusters. In: Chemical Physics Letters. 2009 ; Vol. 469, No. 4-6. pp. 304-307.
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