Faraday rotation and its dispersion have been measured and calculated in the 400–800 nm wavelength range for a set of saturated organic liquids. The resulting Verdet constants are fitted and trends are analyzed. Comparisons are made to both the polarizability and diamagnetic susceptibility. The data are applied to a connectivity index model, allowing prediction of Verdet constants of aliphatic organic liquids from 400 to 800 nm. The observed correlations and connectivity model improve the understanding of Faraday rotation in diamagnetic materials, allowing for future optimization.
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