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Raman Spectroscopy

Inelastic scattering Of Light!. C.V. Raman, 1928. EXCITED!. Raman Spectroscopy. One in 10 7. VIRTUAL. EXCITED!. Stokes and anti-Stokes. Polarizability. Polarizability in different directions are different!. Polarizability Ellipsoid. Use polarizability ellipsoid to represent this.

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Raman Spectroscopy

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  1. Inelastic scattering Of Light! C.V. Raman, 1928 EXCITED! Raman Spectroscopy One in 107

  2. VIRTUAL EXCITED! Stokes and anti-Stokes

  3. Polarizability

  4. Polarizability in different directions are different! Polarizability Ellipsoid Use polarizability ellipsoid to represent this

  5. Rotational Raman Effect Ellipsoid should not be a sphere! Final state Initial state

  6. 30B J EJ 3 12B 2 6B 1 2B 0 0 14B 10B 6B 6B 10B 14B 20B Anti-Stokes Stokes

  7. Vibrational Raman Effect Polarizability ellipsoid should change shape

  8. Vibrational-rotational Raman Effect

  9. J EJ 3 10B 2 6B 1 2B 0 0 Anti-Stokes J EJ 3 10B 2 6B 1 2B 0 0 14B 10B 6B 6B 10B 14B S Q O

  10. Mutual Exclusionof IR and Raman

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