# CENTER

Defines the center of the sphere. [Edit on GitHub]

## Keywords

- ATOM_LIST

- FIXED

- WEIGHT_TYPE

- XYZ

## Keyword descriptions

ATOM_LIST: integer[ ]

  Usage: ATOM_LIST <INTEGER> .. <INTEGER>

  Defines a list of atoms to define the center of the sphere [Edit on GitHub]

FIXED: logical = T

  Usage: FIXED <LOGICAL>

  Specify if the center of the sphere should be fixed or allowed to move [Edit on GitHub]

WEIGHT_TYPE: enum = UNIT

  Usage: WEIGHT_TYPE (UNIT|MASS)

  Valid values:

  - `UNIT`

  - `MASS`

  Defines the weight used to define the center of the sphere (if ATOM_LIST is provided) [Edit on GitHub]

XYZ: real[3] = [angstrom]

  Usage: XYZ <REAL> <REAL> <REAL>

  Coordinates of the center of the sphere [Edit on GitHub]