Minguela-Gallardo, J.
, Yi, J.
, Plusquellic, D.
and Álvarez-Valtierra, L.
(2021),
Rotationally resolved electronic S1 spectra of tryptoline and oxindole: Reversal of the 1La and 1Lb state character, Journal of Molecular Structure, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=932993
(Accessed March 22, 2025)
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Rotationally resolved electronic S1 spectra of tryptoline and oxindole: Reversal of the 1La and 1Lb state character
Published
Author(s)
Josue Minguela-Gallardo, John Yi, , Leonardo Álvarez-Valtierra
Abstract
Rotationally resolved S1←S0 fluorescence excitation spectra of the lowest electronic transitions (origin bands) of tryptoline (TRY) and oxindole (OXI) have been recorded and analyzed. A higher vibronic band of OXI has also been observed and assigned. The derived inertial parameters from the fits provide detailed information about their conformational or tautomeric structures in both the ground and excited electronic states. These molecules exhibit significantly different transition dipole moment orientations relative to the parent reference frame of indole that signify S1 state characters having principal parentage in an 1La state for OXI and an 1Lb state for TRY.Citation
Journal of Molecular Structure
Volume
1247
Pub Type
Journals
Download Paper
Keywords
uv spectroscopy, rotataionally resolved spectroscopy, high resolution
Citation
Issues
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Created August 30, 2021, Updated March 4, 2025