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ZEEMAN SPECTROSCOPY OF THE LOWEST TRIPLET STATE OF TETRAMETHYL-1, 3-CYCLOBUTANEDITHIONE (TMCBDT)

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/29051

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Title: ZEEMAN SPECTROSCOPY OF THE LOWEST TRIPLET STATE OF TETRAMETHYL-1, 3-CYCLOBUTANEDITHIONE (TMCBDT)
Creators: Baiardo, Joseph; Vala, Martin; Trabjerg, I.
Issue Date: 1982
Abstract: The analysis of high field pulsed Zeeman absorption spectra of the 594.3nm $^{3}A_{u}\leftarrow ^{1}A_{g}$ band of single crystal TMCBDT confirms that only one spin-orbit routs is active. Intensity is thus expected to be polarized solely along the C-S bonds, as $observed.^{1}$ Fitting of the field dependent measurements to a model including variable field and polarization directions with respect to the crystal axes has revealed the presence of a zero-field splitting of $1-3 cm^{-1}$. This cannot be observed directly, however, because only one of the triplet sublevels has an appreciable transition moment amplitude in zero-field. Calculation of predicted Zeeman intensity ration corroborate the above findings.
URI: http://hdl.handle.net/1811/29051
Other Identifiers: 1982-FC-2
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