UHBD gets the following solvation energies:

   Acetic acid:  -22.22 kJ/mol
   Acetate:     -198.04 kJ/mol
   Proton:      -295.79 kJ/mol

   Energy for process:  -471.43 kJ/mol

We use the apbs.in file to reproduce these results (srfm = 0).
