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The low-energy, charge-transfer excited states of 4-amino-4-prime-nitrodiphenyl sulfideAbsorption and emission spectra of 4-amino-4-prime-nitrodiphenyl sulfide in polar and nonpolar solvents were used to characterize and assign the low-energy excited states of the molecule. Fluorescence-excitation anisotropy spectra and fluorescence quantum yields were also used to characterize the photophysics of these states. The lowest-energy fluorescent singlet state was determined to be an intramolecular charge transfer (ICT) state involving transfer of a full electron charge from the amino to the nitro group yielding a dipole moment of about 50 D. A low-energy, intense absorption band is assigned as a transition to a different ICT state involving a partial electron charge transfer from sulfur to the nitro group.
Document ID
19920073738
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
O'Connor, Donald B.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Scott, Gary W.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Tran, Kim
(California, University Riverside, United States)
Coulter, Daniel R.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Miskowski, Vincent M.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Stiegman, Albert E.
(JPL Pasadena, CA, United States)
Wnek, Gary E.
(Rensselaer Polytechnic Institute, Troy, NY, United States)
Date Acquired
August 15, 2013
Publication Date
September 15, 1992
Publication Information
Publication: Journal of Chemical Physics
Volume: 97
Issue: 6, Se
ISSN: 0021-9606
Subject Category
Atomic And Molecular Physics
Accession Number
92A56362
Distribution Limits
Public
Copyright
Other

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