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| Item type: | Article | ||||
|---|---|---|---|---|---|
| Journal or Publication Title: | Canadian Journal of Physics | ||||
| Volume: | 72 | ||||
| Number of Issue or Book Chapter: | 11&12 | ||||
| Page Range: | pp. 897-908 | ||||
| Date: | 1994 | ||||
| Additional Information (public): | CAN 122:117931 73-5 Optical, Electron, and Mass Spectroscopy and Other Related Properties 7790-99-0 (Iodine chloride icl) Role: PEP (Physical, engineering or chemical process), PRP (Properties), PROC (Process) (spectroscopy and energetic properties of pendular mols. in strong parallel elec. and magnetic fields) | ||||
| Institutions: | Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry III - Physical Chemistry (Molecular Spectroscopy and Photochemistry) > Prof. Dr. Alkwin Slenczka | ||||
| Identification Number: |
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| Keywords: | Electric field Magnetic field (spectroscopy and energetic properties of pendular mols. in strong parallel elec. and magnetic fields) Dipole moment Energy level Energy level Magnetic moment Wave function (spectroscopy and energetic properties of pendular mols. in strong parallel elec. and magnetic fields in relation to) Electron configuration and Electron density (hybridization, spectroscopy and energetic properties of pendular mols. in strong parallel elec. and magnetic fields in relation to) Fluorescence (laser-induced, spectroscopy and energetic properties of pendular mols. in strong parallel elec. and magnetic fields) Energy level transition (vibrational, spectroscopy and energetic properties of pendular mols. in strong parallel elec. and magnetic fields in relation to) spectroscopy pendular mol elec magnetic field iodine chloride laser induced fluorescence hybridization energy level transition chloride hyperfine splitting wave function chloride | ||||
| Dewey Decimal Classification: | 500 Science > 530 Physics 500 Science > 540 Chemistry & allied sciences | ||||
| Status: | Published | ||||
| Refereed: | Yes, this version has been refereed | ||||
| Created at the University of Regensburg: | No | ||||
| Item ID: | 6059 |
Abstract
The authors report high-resoln. laser-induced fluorescence spectra of the A3P1, n' - 19 <- X1S0+, n = 0 system of ICI subjected to strong parallel elec. and magnetic fields, scanned independently up to 50 k V cm-1 and 0.7 T. Either field induces coherent superposition or hybridization of the rotational states within the A3P1 electronic state, which possesses both an elec. and a magnetic dipole ...
Abstract
The authors report high-resoln. laser-induced fluorescence spectra of the A3P1, n' - 19 <- X1S0+, n = 0 system of ICI subjected to strong parallel elec. and magnetic fields, scanned independently up to 50 k V cm-1 and 0.7 T. Either field induces coherent superposition or hybridization of the rotational states within the A3P1 electronic state, which possesses both an elec. and a magnetic dipole moment along the internuclear axis. Only the elec. field induces such hybridization within the ground state X1S0+, since it is polar but diamagnetic. Comparisons with computed spectra illustrate several salient features. The hybridization creates directional pendular states in which the mol. axis is confined to librate over a limited angular range about the field direction. For a polar paramagnetic electronic state, such as the A state, parallel elec. and magnetic fields conjoin in producing hybridization for half of the ensemble but they counteract for the other half. For the latter component, the elec. and magnetic effects can be tuned to balance out, yet the concomitant field-induced hyperfine splitting remains, despite the resulting free rotation of the mol. The dependence of the transition intensities on the combined fields provides an unequivocal means to det. the relative sign of the elec. dipole moments in the upper and lower electronic states. The sign is the same for the X and A states (Cl more neg. than I).
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