. 2020 Jun 5;16(7):4213–4225. doi: 10.1021/acs.jctc.0c00154

Table 4. Statistics on the Error of Excitation Energies (in eV) for Local States (CT Character below 0.5) Relative to CCSDT-3 Reference Values^a.

	mean^b	SD^c	min	max
ADC(2)	0.01	0.16	–0.29	0.26
CC2	0.05	0.14	–0.19	0.33
CCSD(2)	0.14	0.19	–0.33	0.36
CCSD	0.10	0.08	–0.24	0.30
STEOM-CCSD	–0.12	0.11	–0.38	0.10
CCSD(T)(a)*	−0.01	0.05	–0.24	0.05
CC3	–0.04	0.04	–0.13	0.12

The number of states included is 41 for all methods.

Mean error with respect to CCSDT-3.

Standard deviation of the error to CCSDT-3.

Table 4. Statistics on the Error of Excitation Energies (in eV) for Local States (CT Character below 0.5) Relative to CCSDT-3 Reference Valuesa.