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Issue 85, 2014
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Theoretical approach to the structure, energy and electronic spectroscopy of O@(4He)N doped nanodroplets

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Abstract

A DFT approach has been used to investigate helium nanodroplets, (4He)N, doped with a single oxygen atom (ground (3P) and first excited (1D, 1S) electronic states). To do this, the O(1D, 1S)–He diatomic interaction potentials have been determined at the icMRCI ab initio level, as they were not available from the experiments. The structure of the O@(4He)N nanodroplets (N up to 3000) and the electronic emission spectrum of the O(1D ← 1S) transition in 4HeN were the main properties examined. The results have been interpreted on the basis of the strength of the O–He interaction, as a function of the electronic state of the impurity, and the point symmetry of the helium atoms' geometrical configurations. These results can be useful in studies of chemical processes taking place in helium nanodroplets involving or leading to the production of O atoms.

Graphical abstract: Theoretical approach to the structure, energy and electronic spectroscopy of O@(4He)N doped nanodroplets

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Publication details

The article was received on 21 Aug 2014, accepted on 29 Aug 2014 and first published on 01 Sep 2014


Article type: Paper
DOI: 10.1039/C4RA09023C
RSC Adv., 2014,4, 44972-44979

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    Theoretical approach to the structure, energy and electronic spectroscopy of O@(4He)N doped nanodroplets

    A. Vilà, M. González, R. Mayol and M. Paniagua, RSC Adv., 2014, 4, 44972
    DOI: 10.1039/C4RA09023C

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