# QUADRUPOLE

Section can be repeated.

This section specifies that we will perform an SCF quadrupole calculation of the MM atoms. Needs KEYWORD POL_SCF in POISSON secton [Edit on GitHub]

## Keywords

- ATOM

- CPOL

## Keyword descriptions

ATOM: string

  Usage: ATOM {KIND1}

  Defines the atomic kind of the SCF quadrupole. [Edit on GitHub]

CPOL: real = [internal_cp2k]

  Usage: CPOL {real}

  Defines the isotropic polarizability of the MM atom. [Edit on GitHub]