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The electronic gas-phase spectrum of B₃ radical revisited

Chacaga, Lukasz and Jochnowitz, Evan B. and Guennoun, Zohra and Ding, Hongbin and Maier, John P.. (2009) The electronic gas-phase spectrum of B₃ radical revisited. International journal of mass spectrometry, Vol. 280, H. 1-3. pp. 174-178.

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Official URL: http://edoc.unibas.ch/dok/A5251456

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Abstract

The gas-phase electronic spectrum of cyclic-B3 (D3h) radical has been remeasured in a supersonic molecular beam using a mass-selective resonant 2-color 2-photon technique, leading to a revision of previously reported spectroscopic constants. The species was prepared by ablation of a boron nitride rod in the presence of helium. Ab intio calculations on the geometries and vertical electronic excitation energies, as well as mass identification, indicate that the detected band, centered at 21848.77(2) cm−1, is the origin of the cyclic-11B3 system. A spectral fit yields the rotational constants as B″ = 1.2246(45) and C″ = 0.62131(72) cm−1 in the ground state, and B′ = 1.1914(44) and C′ = 0.61173(69) cm−1 in the excited 2 2E′ state.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Physikalische Chemie (Maier)
UniBasel Contributors:Maier, John Paul
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Elsevier Science
ISSN:1387-3806
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:31
Deposited On:22 Mar 2012 14:18

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