Physical Chemistry Third Edition

982 23 Optical Spectroscopy and Photochemistry free radical: CH 3 CH 3 || Ph 2 C . O(T 1 )+H— . C—OH−→Ph 2 . C–OH+ . C—OH || CH ...

23.6 Fluorescence, Phosphorescence, and Photochemistry 983 benzophenone, so that this level can be reached by energy transfer fr ...

984 23 Optical Spectroscopy and Photochemistry CH 2 OH all-trans-Retinol (vitamin A 1 ) all-trans-Retinal 11-cis-Retinal Rhodops ...

23.7 Raman Spectroscopy 985 Substance Energy of First Triplet State/eV Biphenyl 2.9 Toluene 3.6 Benzene 3.7 9,10-Diphenylanthrac ...

986 23 Optical Spectroscopy and Photochemistry and if the molecules lose energy to the radiation, hν′−hνEupper−Elower (23.7-2) ...

23.7 Raman Spectroscopy 987 The polarizability can be described by anellipsoid of polarizability.^23 This ellipsoid is a surface ...

988 23 Optical Spectroscopy and Photochemistry mode in a polyatomic molecule will be Raman active if it produces a periodic chan ...

23.7 Raman Spectroscopy 989 1 2 2 1 2 1 2 1 2 1 2 2 2 2 1 1 YY YYAg n 1 B1g n 5 B1g n 6 B1u n 7 B2g n 8 B3u n 12 B3u n 11 B2u n ...

990 23 Optical Spectroscopy and Photochemistry Since the selection rule requires that∆J±2, the Raman shift for the Stokes lines ...

23.8 Other Types of Spectroscopy 991 corresponds to∆J−2, and theSbranch corresponds to∆J+2. These branches consist of sets of ...

992 23 Optical Spectroscopy and Photochemistry whereMrepresents a molecule of the sample substance. The kinetic energy of the ej ...

23.8 Other Types of Spectroscopy 993 EXAMPLE23.15 The ground-state vibrational frequency for nitrogen is 2359 cm−^1. The spacing ...

994 23 Optical Spectroscopy and Photochemistry electric field oscillating in one plane and a magnetic field oscillating in a pla ...

23.8 Other Types of Spectroscopy 995 Etot 5 Er 1 El Etot Etot Etot Etot Etot Etot Etot Etot Etot El Er Er Er Er Er Er El El El E ...

996 23 Optical Spectroscopy and Photochemistry The specific rotation often has different signs for two wavelengths between which ...

23.8 Other Types of Spectroscopy 997 which leads to a spectrum of equally spaced lines with a spacing in terms of reciprocal wav ...

998 23 Optical Spectroscopy and Photochemistry ADDITIONAL PROBLEMS 23.53a.Would H 2 have a microwave spectrum? b.Would H 2 have ...

23.8 Other Types of Spectroscopy 999 the splittings between lines. Assume that the harmonic oscillator–rigid rotor energy level ...

1000 23 Optical Spectroscopy and Photochemistry dipole moments are roughly equal, and show the line of maximum intensity. d.Repe ...

24 Magnetic Resonance Spectroscopy PRINCIPAL FACTS AND IDEAS Magnetic fields can be produced by electric currents and moving ch ...