Modern Molecular PhotochemistryBenjamin/Cummings Publishing Company, 1978 - 628 páginas Inleiding tot de studie van organische fotochemische reacties |
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Página 10
... kcal / mole : E2 - E1 = hvc = 2.86 × 10 - 3v cm - 1 ( 1.4 ) 2.86 × 104 kcal / mole : E2 - E1 = 2 nm ( 1.5 ) -- where E2 E is the energy difference between the final and initial states in kcal / mole , and v and 2 are the position of ...
... kcal / mole : E2 - E1 = hvc = 2.86 × 10 - 3v cm - 1 ( 1.4 ) 2.86 × 104 kcal / mole : E2 - E1 = 2 nm ( 1.5 ) -- where E2 E is the energy difference between the final and initial states in kcal / mole , and v and 2 are the position of ...
Página 11
... kcal / mole to values approaching bond dissociation energy ( > 40 kcal / mole ) . If we confine our discussion to reactions occurring near room temperature then we can evaluate the maximum value of E , which we are likely to encounter ...
... kcal / mole to values approaching bond dissociation energy ( > 40 kcal / mole ) . If we confine our discussion to reactions occurring near room temperature then we can evaluate the maximum value of E , which we are likely to encounter ...
Página 236
... kcal / mole can compete with excited - state deactivation if A = 1015 sec1 , i.e. , k = 1015 × 10-4 / 1.4 1012 sec1 , but not if A 108 sec1 , i.e. , even if Ea 0 kcal / mole , k 108 sec -1 and the reaction is too slow to compete with ...
... kcal / mole can compete with excited - state deactivation if A = 1015 sec1 , i.e. , k = 1015 × 10-4 / 1.4 1012 sec1 , but not if A 108 sec1 , i.e. , even if Ea 0 kcal / mole , k 108 sec -1 and the reaction is too slow to compete with ...
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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