2003
DOI: 10.1039/a910269h
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Explorations of conical intersections and their ramifications for chemistry through the Jahn–Teller effect

Abstract: Much recent progress has been made theoretically and computationally towards understanding the importance of conical intersections for chemical reactions. Nonetheless, experimental characterization of conical intersections has proven extremely difficult with one striking exception: the Jahn-Teller conical intersection. This article overviews the fundamental similarity of a variety of conical intersections and demonstrates how the spectroscopy of Jahn-Teller active molecules can be used to characterize them. Sp… Show more

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Cited by 98 publications
(73 citation statements)
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References 34 publications
(83 reference statements)
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“…1.4. These type of surface singularities are conical intersections, which have studied en chemistry for instance [45]. In the line of conical intersections, CR 1.6 Conical refraction out of crystal optics 13 has been discussed recently in honeycomb lattices [46,47] and in Lieb lattices [48].…”
Section: Conical Refraction Out Of Crystal Opticsmentioning
confidence: 99%
“…1.4. These type of surface singularities are conical intersections, which have studied en chemistry for instance [45]. In the line of conical intersections, CR 1.6 Conical refraction out of crystal optics 13 has been discussed recently in honeycomb lattices [46,47] and in Lieb lattices [48].…”
Section: Conical Refraction Out Of Crystal Opticsmentioning
confidence: 99%
“…The equilibrium geometry of the neutral species is exactly on the seam of CI. A projection of the surrounding "moat" of the conical intersection [18][19][20] is shown. It contains two types of valence bond (VB) resonance structures: three quinoid (which are minima on the ground state surface) and three antiquinoid (which are transition structures on the ground state surface).…”
Section: Introductionmentioning
confidence: 99%
“…[1][2][3] Whereas these electronic surfaces represent the adiabatic separation of electronic and nuclear motions under the Born-Oppenheimer approximation, it is also possible in some cases to make an approximate adiabatic separation of fast and slow vibrational motions. In such cases, the motion of the high-frequency vibrations, which might include hydride stretches, can be solved quantum mechanically at each molecular geometry along the low frequency, large-amplitude torsional or bending coordinates.…”
mentioning
confidence: 99%