[gmx-users] PME, epsilon_rf and dielectric constant calculation

[Mark Abraham]

> Dear all,
>
> I wish to calculate the dielectric constant of small molecules liquids.
> In order to do so, I am simulating the system using PME, with epsilon_r
>                 = 1.
>
> I have few questions:
> 1. What is the meaning of epsilon_rf when I am using PME, if it
> important, what it should be?

Have you looked in section 7.3?

> 2. Whet is the best way to calculate the dielectric constant of the
> simulation box, does g_dipole is enough or should I use g_dielectric also.

I don't know.

Mark