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The anisotropic nature of polarizability for a sulfur atom in ethylmethylsulfide is probed using +0.5e point charges placed on two perpendicular arcs (inset). Differences between QM perturbed and unperturbed electrostatic potentials are used to determine polarization response as a function of orientation. Polarizability anisotropy parameters are fitted to reproduce relative response curves obtained through quantum mechanical calculations.
