Modern Molecular PhotochemistryBenjamin/Cummings Publishing Company, 1978 - 628 páginas Inleiding tot de studie van organische fotochemische reacties |
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Página 57
... consider a diatomic molecule , XY , which is approximated as a harmonic oscillator , i.e. , the motion of X and Y relative to one another is a periodic function of time . For purposes of visualization we may consider X as being attached ...
... consider a diatomic molecule , XY , which is approximated as a harmonic oscillator , i.e. , the motion of X and Y relative to one another is a periodic function of time . For purposes of visualization we may consider X as being attached ...
Página 63
... consider the effect of collisions on the nuclear motion of a diatomic molecule . Consider Figure 4.8 , which shows how the tra- VIBRATIONAL MOTION bond equilibrium compressed position bond stretched bond broken 1 ( 0-0 ) 1 A CONTINUUM A ...
... consider the effect of collisions on the nuclear motion of a diatomic molecule . Consider Figure 4.8 , which shows how the tra- VIBRATIONAL MOTION bond equilibrium compressed position bond stretched bond broken 1 ( 0-0 ) 1 A CONTINUUM A ...
Página 161
... consider these Zero Order states as " electronically pure , " e.g. , " purе ” п , л * ог л , л * and " pure " singlet or triplet . In the First Approximation we consider various mechanisms for " mixing " of the states . Vibrations ...
... consider these Zero Order states as " electronically pure , " e.g. , " purе ” п , л * ог л , л * and " pure " singlet or triplet . In the First Approximation we consider various mechanisms for " mixing " of the states . Vibrations ...
Conteúdo
1 | 10 |
Electronic Orbitals Configurations and States | 17 |
7 | 21 |
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absorption acceptor acetone aromatic benzene benzophenone bimolecular bond carbonyl Chem chemical CIDNP collision compounds configuration conrotatory correlation diagram corresponds cyclic cycloaddition Dewar benzene dipole diradical donor efficiency electrocyclic electrocyclic reactions electron spin electronically excited emission energy transfer ethylene example excimer exciplex experimental Figure fluid solution fluorescence formation Franck-Condon hydrogen abstraction intermediate internal conversion intersystem crossing intramolecular jump k₁ kcal/mole ketones lifetime magnetic field mechanism molecular molecule naphthalene nuclear geometry nuclear motion observed occur organic molecules oscillator oxetane oxygen pathway Ph Ph phosphorescence photochemical photochemistry photocycloaddition photon Photophysics photoreactions photosensitized Phys possess processes quantum yield quencher quenching radiationless transitions radiative radical pair rate constant reactant reaction reactive rearrangement representative point result ring S₁ S₁(n S₂ sec¯¹ sec¹ sensitization singlet solvent spectroscopic spectrum spin-orbit coupling structure symmetry T₁ temperature triplet triplet-triplet Turro undergo vibrational x-cleavage Zero Order zwitterionic