1979
DOI: 10.1002/anie.197908261
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Conformational Analysis by Photoelectron Spectroscopy

Abstract: The conformation of organic molecules may be determined by means of photoelectron (PE) spectroscopy if there are orbital interactions present which depend on a dihedral angle. Straightforward application of the method requires that all ionization bands of interest can be assigned unambiguously and that inductive effects and secondary orbital interactions do not occur or can be accounted for appropriately. In many cases, this method complements conventional methods of conformational analysis. PE conformational … Show more

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Cited by 42 publications
(10 citation statements)
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“…In addition, 2,2'-dichlorobiphenyl was The status of the electron-diffraction measurements in the gas phase has been reviewed (16). A general review of principles and applications of conformational analysis by PES has been published (17). Table 2 lists the experimental data for those compounds, studied in the present work, for which no electron-diffraction data are available.…”
Section: Resultsmentioning
confidence: 99%
“…In addition, 2,2'-dichlorobiphenyl was The status of the electron-diffraction measurements in the gas phase has been reviewed (16). A general review of principles and applications of conformational analysis by PES has been published (17). Table 2 lists the experimental data for those compounds, studied in the present work, for which no electron-diffraction data are available.…”
Section: Resultsmentioning
confidence: 99%
“…Both by computational [8 -16] and experimental [9,[17][18][19][20][21][22][23][24][25][26] methods the coplanar conformation is found to be the most stable and mesomeric effects are generally recognized as an important stabilizing factor. Ortho-dimethoxybenzene, on the other hand, has two methoxy groups in vicinal positions on the benzene ring.…”
Section: Introductionmentioning
confidence: 99%
“…The phenomenon of conjugation between two cyclopropyl fragments is the subject of extensive studies 46 . Figure 2 represents the orbitals resulting from this interaction.…”
Section: Conjugation Between Cyclopropyl Fragments and Its Influementioning
confidence: 99%
“…The conjugation between cyclopropyl fragments does not affect the UV spectra of the corresponding molecules; however, it is manifested in their photoelectron (PE) spectra. Rotation of cyclopropyl fragments in nonrigid molecules like bicyclopropyl makes their PE spectra complicated, due to contribution from different conformers 46 . Consequently, the fixation of a conformation in SPC possessing adjacent three-membered rings makes these compounds perfect models for conjugation studies.…”
Section: Conjugation Between Cyclopropyl Fragments and Its Influementioning
confidence: 99%