The reduction of the number of qubits and excitation parameters by DMET and ESVQE. cVQE represents conventional VQE without the energy sorting (ES) strategy.

System	Basis	Electrons	Spin–orbitals	Method	Qubits	Parameters
H10	STO-3G	10	20	cVQE	20	350
				DMET–cVQE	4	2
				DMET–ESVQE	4	1
H10	6-31G	10	40	cVQE	40	2925
				DMET–cVQE	8	14
				DMET–ESVQE	8	10
C6H8 + H2	STO-3G	34	68	cVQE	68	42 194
				DMET–cVQE	16	152
				DMET–ESVQE	16	105
C18	STO-3G	72	144	cVQE	144	841 752
				DMET–cVQE	16	152
				DMET–ESVQE	16	44
C18	cc-pVDZ	72	144	cVQE	144	841 752
				DMET–cVQE	16	152
				DMET–ESVQE	16	43