CCCBDB Ionization Energy page 2

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composite	G3	11.103
	G3B3	11.147
	G4	11.154
	CBS-Q	11.357

		STO-3G	3-21G	3-21G*	6-31G	6-31G*	6-31G**	6-31+G**	6-311G*	6-311G**	6-31G(2df,p)	6-311+G(3df,2p)	TZVP	cc-pVDZ	cc-pVTZ	cc-pVQZ	aug-cc-pVDZ	aug-cc-pVTZ	aug-cc-pVQZ	daug-cc-pVTZ
hartree fock	HF	6.700	8.971	9.191	9.291	9.557	9.557	9.680	9.580	9.580	9.535		9.614	9.485	9.555	9.571	9.629	9.583	9.580	9.582
density functional	LSDA	8.494		11.638	11.649	11.743	11.743	11.896	11.844	11.844	11.713		11.882	11.729	11.809		11.895	11.847
	BLYP	7.613	10.393	10.671	10.692	10.791	10.791	10.976	10.891	10.891	10.773		10.939	10.767	10.875		10.974	10.930
	B1B95	8.062		10.686	10.763	10.870	10.870	11.010	10.932	10.932	10.829		10.963	10.839	10.888		10.985	10.925
	B3LYP	8.001	10.562	10.806	10.857	10.969	10.969	11.134	11.054	11.054	10.946		11.098	10.939	11.032	11.051	11.120	11.078	11.068
	B3LYPultrafine		10.562			10.969	10.969	11.134	11.054				11.098	10.940	11.030		11.121	11.076
	B3PW91	8.081	10.591	10.838	10.894	10.995	10.995	11.131	11.067	11.067	10.950		11.094	10.967	11.025		11.107	11.060
	mPW1PW91	8.085	10.546	10.786	10.844	10.954	10.954	11.093	11.021	11.021	10.906		11.044	10.921	10.978		11.065	11.016
	M06-2X	8.299	10.614	10.795	10.742	10.827	10.827	10.967	10.882	10.882	10.795	10.910	10.971	10.784	10.863		10.931	10.899
	PBEPBE	7.792	10.525	10.807	10.826	10.915	10.915	11.076	10.999	10.999	10.879		11.036	10.897	10.963		11.069	11.012
	PBEPBEultrafine		10.525			10.916	10.916	11.077	10.998				11.037	10.898	10.961		11.070	11.009
	PBE1PBE	8.034		10.757	10.816	10.922	10.922	11.062	10.988	10.988	10.879		11.018	10.893	10.947		11.039	10.985
	HSEh1PBE	8.015	10.524	10.770	10.824	10.934	10.934	11.075	11.000	11.000	10.891		11.033	10.901	10.966		11.049	11.004
	TPSSh	7.890	10.480	10.739	10.776	10.875	10.875	11.012	10.944	10.944	10.818		10.970	10.844	10.899	10.905	10.981	10.937	10.921
	wB97X-D	8.099	10.601	10.841	10.902	11.031	11.031	11.173	11.087	11.087	10.992		11.112	10.982	11.060	11.069	11.132	11.095	11.083
	B97D3											10.969								10.979
		STO-3G	3-21G	3-21G*	6-31G	6-31G*	6-31G**	6-31+G**	6-311G*	6-311G**	6-31G(2df,p)	6-311+G(3df,2p)	TZVP	cc-pVDZ	cc-pVTZ	cc-pVQZ	aug-cc-pVDZ	aug-cc-pVTZ	aug-cc-pVQZ	daug-cc-pVTZ
Moller Plesset perturbation	MP2	8.227	10.874	11.203	11.221	11.504	11.504	11.685	11.514	11.514	11.617		11.689	11.453	11.763	11.889	11.741	11.876	11.942
	MP2=FULL	8.225	10.871	11.201	11.212	11.533	11.533	11.712	11.592	11.592	11.679		11.674	11.454	11.759	11.873	11.741	11.872	11.926
	MP3					10.762		10.231					10.892	10.704	10.997
	MP3=FULL		9.852	10.366	10.173	10.788	10.788	10.931	10.789	10.789	10.948		10.858	10.700	10.983		10.958	11.072
	MP4		12.175			11.569				11.595			11.716	11.552	11.752		11.729	11.851
	MP4=FULL		12.161			11.573				11.653				11.545	11.736		11.724	11.834
	B2PLYP	7.806	10.597	10.892	10.928	11.068	11.068	11.231	11.126	11.126	11.081		11.213	11.042	11.187		11.246	11.252
	B2PLYP=FULL	7.804	10.596	10.891	10.927	11.081	11.081	11.243	11.155	11.155	11.106		11.209	11.043	11.186		11.246	11.251
	B2PLYP=FULLultrafine	7.805	10.596	10.891	10.927		11.082	11.244	11.155	11.155	11.107		11.209				11.246
Configuration interaction	CID		9.901	10.356	10.247	10.693			10.705
Configuration interaction	CISD		9.802	10.297	10.147	10.599			10.632
		STO-3G	3-21G	3-21G*	6-31G	6-31G*	6-31G**	6-31+G**	6-311G*	6-311G**	6-31G(2df,p)	6-311+G(3df,2p)	TZVP	cc-pVDZ	cc-pVTZ	cc-pVQZ	aug-cc-pVDZ	aug-cc-pVTZ	aug-cc-pVQZ	daug-cc-pVTZ
Quadratic configuration interaction	QCISD		9.833	10.452	10.217	10.696	10.696	10.846	10.729	10.729	10.808		10.870	10.671	10.943		10.905	11.020
	QCISD(T)					10.754			10.812				10.936	10.731	11.050		10.983	11.136
	QCISD(T)=FULL					10.779		10.927						10.730	11.044	11.155	10.981	11.131	11.192
Coupled Cluster	CCSD					10.676					10.798		10.849	10.648	10.930	11.035	10.889	11.008	11.070
	CCSD=FULL					10.702					10.860		10.828	10.645	10.922	11.025	10.886	11.001	11.062
	CCSD(T)					10.785	10.785		10.840				10.968	10.761	11.070	11.183	11.012	11.157	11.220
	CCSD(T)=FULL					-606.837							10.949	10.759	11.064	11.174	11.009	11.152	11.212
		STO-3G	3-21G	3-21G*	6-31G	6-31G*	6-31G**	6-31+G**	6-311G*	6-311G**	6-31G(2df,p)	6-311+G(3df,2p)	TZVP	cc-pVDZ	cc-pVTZ	cc-pVQZ	aug-cc-pVDZ	aug-cc-pVTZ	aug-cc-pVQZ	daug-cc-pVTZ

		CEP-31G	CEP-31G*	CEP-121G	CEP-121G*	LANL2DZ	SDD	cc-pVTZ-PP	aug-cc-pVTZ-PP	Def2TZVPP
hartree fock	HF	9.559		9.542		9.452	9.350			9.557
density functional	B3LYP	11.082		11.075		11.049	11.032			11.043
	PBEPBE									10.977
	wB97X-D	11.078		11.070		11.091	11.033
Moller Plesset perturbation	MP2	11.428		11.454		11.350	11.313			11.793

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Calculated Ionization Energy for GeO (Germanium monoxide)