# XC_GRID

The xc parameters used when calculating the xc on the grid [Edit on GitHub]

## Keywords

- USE_FINER_GRID

- XC_DERIV

- XC_SMOOTH_RHO

## Keyword descriptions

USE_FINER_GRID: logical = F

  Lone keyword: `T`

  Usage: use_finer_grid

  Uses a finer grid only to calculate the xc [Edit on GitHub]

XC_DERIV: enum = PW

  Usage: xc_deriv NN10_SMOOTH

  Valid values:

  - `PW`

  - `SPLINE3`

  - `SPLINE2`

  - `NN50_SMOOTH`

  - `NN10_SMOOTH`

  - `SPLINE2_SMOOTH`

  - `NN6_SMOOTH`

  - `SPLINE3_SMOOTH`

  - `NN4_SMOOTH`

  - `COLLOCATE`

  Mentions: ⭐Monte Carlo

  The method used to compute the derivatives [Edit on GitHub]

XC_SMOOTH_RHO: enum = NONE

  Usage: xc_smooth_rho nn10

  Valid values:

  - `NONE`

  - `NN50`

  - `NN10`

  - `SPLINE2`

  - `NN6`

  - `SPLINE3`

  - `NN4`

  The density smoothing used for the xc calculation [Edit on GitHub]