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  Communication: Revised electron affinity of SF6 from kinetic data.

Troe, J., Miller, T. M., & Viggiano, A. A. (2012). Communication: Revised electron affinity of SF6 from kinetic data. The Journal of Chemical Physics, 136(12): 121102. doi:10.1063/1.3698170.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-A0CD-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-94AE-E
Genre: Journal Article

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1479030.pdf (Publisher version), 356KB
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 Creators:
Troe, J.1, Author              
Miller, T. M., Author
Viggiano, A. A., Author
Affiliations:
1Emeritus Group of Spectroscopy and Photochemical Kinetics, MPI for Biophysical Chemistry, Max Planck Society, ou_578625              

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 Abstract: Previously determined experimental data for thermal attachment of electrons to SF 6 and thermal detachment from SF 6 − over the range 590–670 K are reevaluated by a third-law analysis. Recent high precision calculations of SF 6 − harmonic frequences and anharmonicities (for several of the modes) lead to considerable changes in modeled vibrational partition functions which then have to be accommodated for by a smaller value of the derived adiabatic electron affinity EA of SF 6 . The previously estimated value of EA = 1.20 ( ± 0.05) eV in this way is reduced to a value of EA = 1.03 ( ± 0.05) eV. In addition, the bond dissociation energy E 0,dis for SF 6 − → SF 5 − + Fisre- duced to E 0,dis = 1.44 ( ± 0.05) eV. Finally, the consequences for modeled specific rate constants k det ( E,J ) of electron detachment from SF 6 − are discussed.

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Language(s): eng - English
 Dates: 2012-03-262012-03-28
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1063/1.3698170
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Title: The Journal of Chemical Physics
Source Genre: Journal
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Pages: - Volume / Issue: 136 (12) Sequence Number: 121102 Start / End Page: - Identifier: -