1975
DOI: 10.1016/0301-0104(75)85030-0
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The vibronic structure of crystalline ethylene

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Cited by 11 publications
(8 citation statements)
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“…The appearance of the sharp structure at low energies in the constant residual energy spectra strongly suggests that part of the decay is to the singlet π → π* state. The lowest energy feature observed in the E res = 0.41 eV spectrum falls at 6.25 eV, 0.6−0.8 eV above the origin 6,8 of the singlet π → π* state, which has a perpendicular D 2 d equilibrium structure. ,,, …”
Section: Resultsmentioning
confidence: 92%
See 1 more Smart Citation
“…The appearance of the sharp structure at low energies in the constant residual energy spectra strongly suggests that part of the decay is to the singlet π → π* state. The lowest energy feature observed in the E res = 0.41 eV spectrum falls at 6.25 eV, 0.6−0.8 eV above the origin 6,8 of the singlet π → π* state, which has a perpendicular D 2 d equilibrium structure. ,,, …”
Section: Resultsmentioning
confidence: 92%
“…The lowest energy feature observed in the E res ) 0.41 eV spectrum falls at 6.25 eV, 0.6-0.8 eV above the origin 6,8 of the singlet π f π* state, which has a perpendicular D 2d equilibrium structure. 13,15,30,31 In the π -1 (3s) 2 region of the constant residual energy spectra, the second and fourth peaks are weaker than the first and third peaks; this is especially apparent in the E res ) 0.31 and 0.41 eV spectra shown in the inset. This alternating intensity pattern is not observed in the electron transmission spectrum.…”
Section: Resultsmentioning
confidence: 96%
“…(12) to (14). There are two adjustable parameters, aM and p,", for the MNDO method and three additional parameters, K Y , LY, and M Y , for the AM1 method.…”
Section: Resultsmentioning
confidence: 99%
“…In the region of 162 nm the maximum of the ππ* absorption is covered by the π3s Rydberg band, with its pronounced structure, and it is believed [85] to be a continuum. On the other hand, a clear vibrational progression is revealed in this wavelength region by the spectra in condensed phase [126][127][128], in which Rydberg transitions are broadened and displaced to higher energies; however, the corresponding spectra of C 2 D 4 are structureless [127]. In the long-wavelength end of the spectrum, there should be no congestion contributing to the broadening.…”
Section: Results Of Spectroscopic Relevancementioning
confidence: 99%