Table 3. MAEs of Various XC Functionals against Three Benchmark Sets of cIP, VEE and vIP Using 6-31G(d) and cc-pVDZ in Parentheses.

Functional	cIP	VEE	vIP	Average
DTCAM-XI	0.51 (0.52)	0.97 (0.87)	0.30 (0.31)	0.59 (0.57)
DTCAM-XIV	0.64 (0.55)	0.67 (0.62)	0.61 (0.64)	0.64 (0.60)
DTCAM-VAEE	3.47 (3.54)	0.57 (0.51)	1.41 (1.27)	1.82 (1.77)