-#define R_CUTOFF 20
-#define R2_CUTOFF (R_CUTOFF*R_CUTOFF)
-
-#define SI_M 1
-#define SI_LC 5.43105
-#define LJ_SIGMA SI_LC
-#define LJ_SIGMA_02 (LJ_SIGMA*LJ_SIGMA)
-#define LJ_SIGMA_06 (LJ_SIGMA_02*LJ_SIGMA_02*LJ_SIGMA_02)
-#define LJ_SIGMA_12 (LJ_SIGMA_06*LJ_SIGMA_06)