Table 1. Functionals Assessed in This Paper.

functional	exchange	correlation	level	range separation	spin scaling
PBE0-QIDH	PBE	PBE	double hybrid	no	no
PBE0-2	PBE	PBE	double hybrid	no	no
DSD-PBEP86	PBE	P86	double hybrid	no	yes
B2PLYP	B88	LYP	double hybrid	no	no
B2GPPLYP	B88	LYP	double hybrid	no	no
ωB2PLYP	B88	LYP	double hybrid	yes	no
ωB2GPPLYP	B88	LYP	double hybrid	yes	no
CAM-B3LYP	B88	LYP	hybrid	yes	no
ωB97X	B97	B97	hybrid	yes	no
RS-PBE-PBE	PBE	PBE	double hybrid	yes	no
RS-PBE-P86	PBE	P86	double hybrid	yes	no
RS-B88-LYP	B88	LYP	double hybrid	yes	no