AGGAC

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AGGAC = [real]

Default: AGGAC	= 1.0	if LHFCALC $=$ .FALSE. or AEXX $\neq$ 1.0
	= 0.0	if LHFCALC $=$ .TRUE. and AEXX $=$ 1.0

Description: AGGAC is a parameter that multiplies the gradient correction in the GGA correlation functional.

AGGAC can be used as the fraction of gradient correction in the GGA correlation in a Hartree-Fock/DFT hybrid functional.

Mind:

AGGAC is implemented for all functionals listed at GGA except AM05.
AGGAC is implemented for the functionals from Libxc (see LIBXC1 for details).

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