Molecular dynamics simulation solvent viscosity effect

The vacuum potential results, corresponding to the limit of zero viscosity, are shown in Fig. 41a. At zero viscosity, the dihedral angle 41 oscillates with a period of approximately 0.63 ps. When the conditions are changed to represent water at 300 K (i.e., the solvent-modified potential-of-mean-force surface is used and r) = 1.0 cP), the dominant effect is that the dihedral motion has a periodicity of about 3.7 ps (see Fig. 41b). The solvent influence observed in these simulations is consistent with an earlier molecular dynamics study of... 

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