1parameters NONE 2 3spacegroup Fm3(-)m 4a-axis 5.628 5 6vdwtype LENNARD-JONES 7radiusrule GEOMETRIC 8radiustype SIGMA 9radiussize DIAMETER 10epsilonrule GEOMETRIC 11 12vdw-cutoff 50.0 13ewald 14 15atom 1 Na+ "Na+ Sodium Ion" 11 22.990 0 16atom 2 Cl- "Cl- Chloride Ion" 17 35.453 0 17 18vdw 1 3.330445 0.002772 19vdw 2 4.41724 0.118 20 21charge 1 1.0 22charge 2 -1.0 23