cp2k/data/xc_section/vdW-DF-cx0p.sec

# vdW-DF-cx0p: Y. Jiao, E. Schroeder, and P. Hyldgaard,
# Extent of Fock-exchange mixing for a hybrid van der Waals density
# functional?, Journal of Chemical Physics 148, 194115 (2018).
#
# CUTOFF should be optimised for accuracy and efficiency
# CUTOFF_RADIUS is system dependent (~A/2) !
# POTENTIAL_TYPE TRUNCATED for large and periodic systems!
#
    &XC
      &XC_FUNCTIONAL
        &GGA_X_LV_RPW86
          SCALE 0.80
        &END GGA_X_LV_RPW86
        &PW92
        &END PW92
      &END XC_FUNCTIONAL
      &HF
        &SCREENING
          EPS_SCHWARZ 1.0E-6
          SCREEN_ON_INITIAL_P FALSE
        &END
        &MEMORY
          EPS_STORAGE_SCALING 0.1
        &END
        &INTERACTION_POTENTIAL
          POTENTIAL_TYPE TRUNCATED
          CUTOFF_RADIUS 2.0
          T_C_G_DATA t_c_g.dat
        &END
        FRACTION 0.20
      &END
      &vdW_POTENTIAL
         DISPERSION_FUNCTIONAL NON_LOCAL
         &NON_LOCAL
           TYPE DRSLL
           VERBOSE_OUTPUT
           KERNEL_FILE_NAME vdW_kernel_table.dat
           CUTOFF 50
         &END NON_LOCAL
      &END vdW_POTENTIAL
    &END XC