Modern Molecular PhotochemistryBenjamin/Cummings Publishing Company, 1978 - 628 páginas Inleiding tot de studie van organische fotochemische reacties |
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Página 106
... possess similar values of & max , they emit at very different frequencies . As a result , they possess quite different oscillator strengths for fluorescence . Similarly , perylene possesses a larger & max than p - terphenyl , but the ...
... possess similar values of & max , they emit at very different frequencies . As a result , they possess quite different oscillator strengths for fluorescence . Similarly , perylene possesses a larger & max than p - terphenyl , but the ...
Página 291
... possess relatively " pure " n , π * , S1 , and T , states . Benzophenones possess " mixed " п , î * and л , î * states . Naphthyl ketones may possess mixed n , π * → î , î * singlet states but tend to possess pure л , π * triplet ...
... possess relatively " pure " n , π * , S1 , and T , states . Benzophenones possess " mixed " п , î * and л , î * states . Naphthyl ketones may possess mixed n , π * → î , î * singlet states but tend to possess pure л , π * triplet ...
Página 450
... possess a lower triplet energy than T1 ( n , π * ) . Since S1 ( n , * ) possesses an energy ( ~ 80 kcal / mole ) considerably less than that of S1 ( л , * ) of 1,3 - dienes ( > 100 kcal / mole ) energy transfer to dienes will not ...
... possess a lower triplet energy than T1 ( n , π * ) . Since S1 ( n , * ) possesses an energy ( ~ 80 kcal / mole ) considerably less than that of S1 ( л , * ) of 1,3 - dienes ( > 100 kcal / mole ) energy transfer to dienes will not ...
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