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Abstract The calculation of derivations of the invariants of the molecular polarizabilities from experimentally measured Raman intensities is critically discussed. Intensity formulae of an earlier paper are reviewed and a simplification introduced. Intensity measurements for the compounds CCl4, CHCl3 and CH2Cl2 are tabulated and discussed in relation to a bond polarizability theory. A modification of the simple theory is investigated.
Long et al. (Tue,) studied this question.