5.36.1. xc.gga_c_chachiyo.gga_c_chachiyo¶
- eminus.xc.gga_c_chachiyo.gga_c_chachiyo(n, dn_spin, **kwargs)[source]¶
Chachiyo parametrization of the correlation functional (spin-paired).
Corresponds to the functional with the label GGA_C_CHACHIYO and ID 309 in Libxc.
Reference: Comput. Theor. Chem. 1172, 112669.
- Parameters:
n – Real-space electronic density.
dn_spin – Real-space gradient of densities per spin channel.
- Keyword Arguments:
**kwargs – Throwaway arguments.
- Returns:
Chachiyo correlation energy density, potential and vsigma.