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Double photoionisation spectra of small molecules and a new empirical rule for double ionisation energies
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics.
2007 (English)In: Chemical Physics, ISSN 0301-0104, E-ISSN 1873-4421, Vol. 335, no 1, 49-54 p.Article in journal (Refereed) Published
Abstract [en]

Complete double photoelectron spectra are presented for 18 small molecules where the location of charges in the cations and dications is relatively clearly defined. The data demonstrate the importance of a coulombic repulsion contribution to the double ionisation energies. Examination of data for a wide range of molecules leads to a new empirical rule to calculate double ionisation energies from the molecules' single ionisation energies and maximum dimensions. Where single and double ionisation energies are known the rule allows the deduction of plausible intercharge distances.

Place, publisher, year, edition, pages
2007. Vol. 335, no 1, 49-54 p.
Keyword [en]
double photoionisation, double ionisation energies, iodides, diiodides, dibromides, diamines, PEPECO
National Category
Physical Sciences Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-144328DOI: 10.1016/j.chemphys.2007.03.016ISI: 000247085100007OAI: oai:DiVA.org:uu-144328DiVA: diva2:393378
Available from: 2011-01-31 Created: 2011-01-28 Last updated: 2011-01-31Bibliographically approved

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