By Louis J. Allamandola (auth.), Professor Dr. Ivan Gutman, Professor Dr. Sven J. Cyvin (eds.)
Contents: L.J. Allamandola, Moffett box, CA, united states: Benzenoid Hydrocarbons in house: The facts and Implications
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Additional info for Advances in the Theory of Benzenoid Hydrocarbons
One of the orbitals is depicted in Fig. 3 x 10-11 m) above the crh molecular plane. Each of the orbitals closely resembles a C(2p) function, pointing perpendicular to the ring, but is distorted symmetrically towards the carbon atoms on either side. It is important to bear in mind that each spin-coupled orbital contains just one electron. Thus, for example, if orbital q01 is localized about nucleus A and q02 is localized about nucleus B, then this is equivalent to saying that the electrons tend to "keep out of each other's way": their Coulombic repulsions are reduced, and so the state becomes considerably more stable.
Environ. 12:923 25 The Distortive Tendencies of Delocalized rc Electronic Systems. Benzene, Cyclobutadiene and Related Heteroannulenes Philippe Charles Hiberty Laboratoire de Chimie Th6orique,* B~t. 490, Universit6 de Paris-Sud, F-91405 Orsay, France Table of Contents 1 Introduction . . . . . . . . . . . . . . 1 High Spin States . . . . 2 G r o u n d States . . . . 3 Effect of c-Electron Correlation 29 . . . . . . . . . Forces . . . . . . . . . . . . . . .
Chem. Phys. 81:4200 43~ Tokunaga AT, Nagata T, Sellgren K, Smith RG, Onaka T, Nakada Y, Sakata A, Wada S (1988) Ap. J. 328:709 44. Geballe TR, Lacy JH, Persson SE, McGregor PJ, Soifer BT (1985) Ap. J. 292:500 45. de Muizon M, Geballe TR, d'Hendecourt LB, Baas F (t986) Ap. J. (Letters) 306:LI05 46. Geballe TR, Tielens AGGM, Atlamandola LJ, Moorhouse A, Brand PWJL (1989) Ap. : 341, 278 47. BregmanJD, Allamandola LJ, Tielens AGGM, Witteborn FC Ap. J. (in press) 48. Cohen M, Tielens AGGM, Bregman JD, Witteborn FC, Rank DM, Allamandola L J, Wooden DH, de Muizon M 1989 Ap.