TABLE III.

Uracil. Excitation energies (eV) at the FC geometry and comparison with experimental values from EELS¹²³ and UV absorption spectroscopy.¹²⁴

	ADC(2)	ADC(2)-x	EOM-CCSD	TDDFT	EELS	UV
T1($\pi {\pi }^{\ast }$)	3.91	3.36	3.84	3.43	3.75
T2(n${\pi }^{\ast }$)	4.47	3.79	4.88	4.27	4.76
S1(n${\pi }^{\ast }$)	4.68	3.93	5.15	4.65	5.2
S2($\pi {\pi }^{\ast }$)	5.40	4.70	5.68	5.19	5.5	5.08
S3($\pi \text{Ryd}$)	5.97	5.39	6.07	5.70	…
S5($\pi {\pi }^{\ast }$)	6.26	5.32	6.74	5.90	6.54	6.02