Modern Molecular PhotochemistryBenjamin/Cummings Publishing Company, 1978 - 628 páginas Inleiding tot de studie van organische fotochemische reacties |
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Página 28
Nicholas J. Turro. netic field ( " high fields " ) , i.e. , at appropriate field strengths there may be a com- petition between the molecular axes and the external field for spin quantization . Electron spin resonance ( ESR ) ...
Nicholas J. Turro. netic field ( " high fields " ) , i.e. , at appropriate field strengths there may be a com- petition between the molecular axes and the external field for spin quantization . Electron spin resonance ( ESR ) ...
Página 48
... field is homogeneous on a molecular scale ) . However , a field arising from within the molecule may be able to provide the magnetic torque required to rephase and / or to flip the electron's spin vector , for example , the magnetic ...
... field is homogeneous on a molecular scale ) . However , a field arising from within the molecule may be able to provide the magnetic torque required to rephase and / or to flip the electron's spin vector , for example , the magnetic ...
Página 277
... field of the order of 1000-3000 gauss , but again , the magnetic field influences each electron's spin to the same extent and therefore does not affect the relative precessional rate of vectors S1 and S 2 . The local magnetic fields due ...
... field of the order of 1000-3000 gauss , but again , the magnetic field influences each electron's spin to the same extent and therefore does not affect the relative precessional rate of vectors S1 and S 2 . The local magnetic fields due ...
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