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Free energy surfaces for glucose-aromatic systems: α-D -glucopyranose-indole (a), β-D -glucopyranose-indole (b), α-D -glucopyranose-para-methyl-phenol (c), and β-D -glucopyranose-para-methyl-phenol (d). Energies are given as a function of separation r and cos(θ), for two values of cos(θ); cos(β)≅0 (left) for which the glucose is tilted with respect to the aromatic molecule, and cos(β)≅1 (right) which corresponds to a planar arrangement (see Fig. 2 and text).
