Modern Molecular PhotochemistryBenjamin/Cummings Publishing Company, 1978 - 628 páginas Inleiding tot de studie van organische fotochemische reacties |
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Página 212
... pathway . In fact , an activation energy10 of 33 kcal / mole is observed for this reaction . A more proper interpretation of Figure 7.7 is that there is no state - correlation- imposed barrier for the thermal conrotatory reaction but ...
... pathway . In fact , an activation energy10 of 33 kcal / mole is observed for this reaction . A more proper interpretation of Figure 7.7 is that there is no state - correlation- imposed barrier for the thermal conrotatory reaction but ...
Página 245
... pathway which degrades the energy of the absorbed photon and returns the system back to its original ground state ... pathway and the ratio of partitioning between the pathways , the rates of the other pathway can be evaluated . This ...
... pathway which degrades the energy of the absorbed photon and returns the system back to its original ground state ... pathway and the ratio of partitioning between the pathways , the rates of the other pathway can be evaluated . This ...
Página 498
... pathway and generate trans cyclohexene 45. The strain energy produced in a butadiene - to- cyclobutene conversion is of the order of 10 kcal / mole , while the energy required to produce a trans double - bond in a six - membered ring ...
... pathway and generate trans cyclohexene 45. The strain energy produced in a butadiene - to- cyclobutene conversion is of the order of 10 kcal / mole , while the energy required to produce a trans double - bond in a six - membered ring ...
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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