Geometric and electronic structures of multiple-decker one-end open sandwich clusters: Eun(C8H8)n - (n = 1-4)

Ryuta Takegami, Natsuki Hosoya, Jun Ichi Suzumura, Atsushi Nakajima, Satoshi Yabnshita

Research output: Contribution to journalArticle

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Abstract

We have measured the photoelectron spectra of the multiple-decker 1:1 sandwich clusters of Eun(COT)n- (n = 1-4; COT = 1,3,5,7-cyclooctatetraene), synthesized in the gas phase, and studied theoretically the bonding scheme, charge distribution, valence orbital energies, and photodetachment energies. We calculated the ground electronic state X - and the first excited electronic state A-, both of which have strong ionic bonding and a characteristic charge distribution. Moreover, we found that the valence orbital energies of Eu (6s) and COT (L δ) depend strongly on cluster size and their positions in the clusters. With the calculated vertical detachment energies for these valence orbitals, we assigned the peaks in the experimental photoelectron spectra and analyzed the origin of their interesting behavior by employing simple point charge models. From these analyses, it became clear that the characteristic behavior of the spectra is due to the strong ionic bonding and the charge distribution. In addition, using the point charge models, we estimated the vertical detachment energies of the one-dimensional polymer [Eu(COT)].

Original languageEnglish
Pages (from-to)2476-2486
Number of pages11
JournalJournal of Physical Chemistry A
Volume109
Issue number11
DOIs
Publication statusPublished - 2005 Mar 24

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Charge distribution
Electronic structure
Electronic states
Photoelectrons
electronic structure
charge distribution
valence
detachment
orbitals
photoelectrons
energy
Polymers
Gases
photodetachment
electronics
vapor phases
polymers

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Geometric and electronic structures of multiple-decker one-end open sandwich clusters : Eun(C8H8)n - (n = 1-4). / Takegami, Ryuta; Hosoya, Natsuki; Suzumura, Jun Ichi; Nakajima, Atsushi; Yabnshita, Satoshi.

In: Journal of Physical Chemistry A, Vol. 109, No. 11, 24.03.2005, p. 2476-2486.

Research output: Contribution to journalArticle

Takegami, Ryuta ; Hosoya, Natsuki ; Suzumura, Jun Ichi ; Nakajima, Atsushi ; Yabnshita, Satoshi. / Geometric and electronic structures of multiple-decker one-end open sandwich clusters : Eun(C8H8)n - (n = 1-4). In: Journal of Physical Chemistry A. 2005 ; Vol. 109, No. 11. pp. 2476-2486.
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