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MCSCF-CI calculations of radiative transition probabilities of PH and PD

  • Potential energy, dipole moment, and electronic transition moment functions for the A 3Πand X3Σ- states of PH have been calculated from highly correlated electronic wavefunctions. The electric dipole moments in the vibrational ground state of PH are calculated to be 0.637 Debye (A 3Π) and 0.403 Debye (X3Σ-). The predicted rates of spontaneous emission between low lying vibrational states of the X state lie in the range of 46 to 109 sec-1 (PH) and 12 to 30 sec-1 (PD). The calculated radiative lifetime of the v' = 0 level in the A 3Π state of 400 ns is lower by about 10 percent than the most recent experimental value. The classical intersection of the 5Σ- and the A 3Πstate has been calculated to lie between v' = 2 and 3 with an expected uncertainty of about 500 cm−1, whereas the onset of the rotationally dependent predissociation lies at v' = 0, J' = 11.

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Metadaten
Author:Jörg Senekowitsch, Pavel Rosmus, Hans-Joachim WernerGND, Mats Larsson
URN:urn:nbn:de:hebis:30:3-743242
DOI:https://doi.org/10.1515/zna-1986-0504
ISSN:1865-7109
Parent Title (German):Zeitschrift für Naturforschung, A
Publisher:Verlag der Zeitschrift für Naturforschung
Place of publication:Tübingen
Document Type:Article
Language:English
Date of Publication (online):2014/06/02
Year of first Publication:1986
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2023/06/27
Volume:41
Issue:5
Page Number:5
First Page:719
Last Page:723
HeBIS-PPN:510764444
Institutes:Biochemie, Chemie und Pharmazie / Biochemie und Chemie
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung-Nicht kommerziell-Keine Bearbeitung 3.0