Modern Molecular PhotochemistryBenjamin/Cummings Publishing Company, 1978 - 628 páginas Inleiding tot de studie van organische fotochemische reacties |
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Página 40
... rule . A process which proceeds in violation of a selection rule always proceeds at a slower rate than a corresponding process which proceeds in com- pliance with a selection rule . We understand " allowed " and " forbidden " to be ...
... rule . A process which proceeds in violation of a selection rule always proceeds at a slower rate than a corresponding process which proceeds in com- pliance with a selection rule . We understand " allowed " and " forbidden " to be ...
Página 244
... rule of the relationship between quantum yields and state efficiencies . Rule 1. The quantum yield for reaction from a given state equals the state efficiency for reaction times the quantum yield for formation of the reacting state ( Eq ...
... rule of the relationship between quantum yields and state efficiencies . Rule 1. The quantum yield for reaction from a given state equals the state efficiency for reaction times the quantum yield for formation of the reacting state ( Eq ...
Página 495
... rules generally hold for electrocyclic reactions which occur as primary photochemical processes : Rule 1. The stereochemical pathway of photochemical electrocyclic ring opening is the same as for ring closure . Rule 2. Photochemical ...
... rules generally hold for electrocyclic reactions which occur as primary photochemical processes : Rule 1. The stereochemical pathway of photochemical electrocyclic ring opening is the same as for ring closure . Rule 2. Photochemical ...
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