Journal ArticleDOI
Free‐Electron Model and Doublet Splitting in Aromatic Hydrocarbon Ions
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In this paper, the doublet splitting in hydrocarbon ions due to spin-orbit interaction arising from electron circulation around the ring was calculated using a free electron model, and the model was extended to the case of free electron models.Abstract:
Doublet splitting in hydrocarbon ions due to spin—orbit interaction arising from electron circulation around the ring has been calculated using a free electron model.read more
Citations
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Free-electron model and triplet-state lifetime of benzene
Purnendranath Sen,Sadhan Basu +1 more
TL;DR: In this article, the triplet-state lifetime of benzene for the 330 mμ band has been estimated to be about 36 sec, which compares favourably with the corrected experimental value of 30 sec.
Journal ArticleDOI
Free‐electron model for the inelastic collision of fast electrons with benzene
Purnendra Nath Sen,Sadhan Basu +1 more
TL;DR: Using a free-electron wave function the cross section for the excitation of the first excited state and that for the ionization of benzene in the inelastic collision with fast electrons have been estimated as mentioned in this paper.
Journal ArticleDOI
Free-electron model for electronic spectra of benzene
Purnendranath Sen,Sadhan Basu +1 more
TL;DR: In this article, the authors used a three dimensional free-electron model for the π -electron system and calculated the energies of the various singly and doubly excited configurations of benzene.
References
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Journal ArticleDOI
Classification of Spectra of Cata-Condensed Hydrocarbons
TL;DR: In this paper, the classification of π-orbitals in a cata-condensed aromatic system is like that of the orbitals of a free electron traveling in a one-dimensional loop of constant potential around the perimeter.
Journal ArticleDOI
The Diamagnetic Anisotropy of Aromatic Molecules
TL;DR: In this article, the diamagnetic anisotropy of benzene and other aromatic hydrocarbon molecules is calculated on the basis of the assumption that the p_z electrons (one per aromatic carbon atom) are free to move from carbon atom to adjacent carbon atom under the influence of the impressed fields.
Journal ArticleDOI
The Effect of Retardation on the Interaction of two Electrons
TL;DR: In this paper, an approximate wave-equation (6) is set up which takes into account terms of the order of the Coulomb interaction in the interaction of two electrons, and it is shown that the retarded equation (48) differs from the non-retarded (36) by terms which affect the fine structur of orthohelium and which have not been known so far.
Journal ArticleDOI
On the Lifetime of the Lower Triplet States of Benzene
TL;DR: In this paper, the transition probabilities and selection rules for lower triplet-singlet transitions of benzene were derived group-theoretically, using the LCAO one-electron approximation.
Journal ArticleDOI
The proton magnetic resonance spectra of conjugated aromatic hydrocarbons
TL;DR: In this paper, the proton resonance spectra of a number of alternant aromatic hydrocarbons are reported and a probable assignment of the spectrum for each compound is given, and this was confirmed for anthracene and phenanthrene by deuteration.