CCCBDB Elelctron affinities page 2

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composite	G3	-0.006
	G3B3	0.001
	G4	0.034
	CBS-Q	-0.020

		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	cc-pV(T+d)Z	cc-pCVTZ	daug-cc-pVDZ	daug-cc-pVTZ
hartree fock	HF		-2.765	-2.765	-2.606	-2.473	-2.466	-1.504	-2.008	-2.022	-2.419		-1.737	-2.134	-1.851	-1.710	-1.440	-1.462		-1.851	-1.849	-1.423	-1.449
hartree fock	ROHF		-2.687	-2.687	-2.606	-2.364	-2.353	-1.583	-1.894	-2.022			-1.737	-2.023	-1.739	-1.710	-1.440	-1.462	-1.460		-1.737
density functional	LSDA	-5.030	-1.023	-1.023	-0.801	-0.575	-0.531	0.804	0.113	0.121	-0.409		0.469	-0.105	0.358		0.895	0.908		0.358	0.358
	BLYP		-1.755	-1.755	-1.553	-1.378	-1.342	0.044	-0.700	-0.695	-1.241		-0.344	-0.918	-0.483			0.137		-0.483	-0.482	0.260	0.283
	B1B95		-1.676	-1.676	-1.104	-1.282	-1.132	-0.094	-0.701	-0.704	-1.158		-0.412	-0.875	-0.504		-0.011	-0.014		-0.504	-0.515	0.026	0.017
	B3LYP		-1.623	-1.623	-1.430	-1.253	-1.223	0.032	-0.628	-0.628	-1.131		-0.294	-0.822	-0.420	-0.243	0.115	0.114	0.126	-0.420	-0.419	0.180	0.179
	B3LYPultrafine		-1.622			-1.253	-1.223	0.032	-0.628				-0.293	-0.822	-0.420		0.115	0.114			-0.419	0.180	0.179
	B3PW91		-1.591	-1.591	-1.424	-1.239	-1.206	-0.077	-0.664	-0.661	-1.118		-0.359	-0.836	-0.465					-0.465	-0.465	0.057	0.056
	mPW1PW91		-1.647	-1.647	-1.483	-1.300	-1.269	-0.150	-0.731	-0.729	-1.183		-0.431	-0.897	-0.536		-0.070	-0.071		-0.520	-0.536	-0.020	-0.024
	M06-2X		-1.597	-1.596	-1.379	-1.181	-1.155	-0.060	-0.640	-0.642	-1.046		-0.322	-0.781	-0.401		0.013	0.029			-0.397	0.042	0.053
	PBEPBE		-1.635	-1.635	-1.454	-1.266	-1.228	0.067	-0.630	-0.622	-1.127		-0.297	-0.817	-0.413		0.153	0.161		-0.412	-0.412	0.265	0.283
	PBEPBEultrafine		-1.635			-1.266	-1.228	0.067	-0.630				-0.297	-0.817	-0.413		0.153	0.161			-0.412	0.265	0.284
	PBE1PBE		-1.671	-1.671	-1.501	-1.316	-1.316	-0.144	-0.744	-0.742	-1.197		-0.438	-0.906	-0.542		-0.062	-0.064			-0.542	-0.010	-0.015
	HSEh1PBE		-1.689	-1.690	-1.513	-1.330	-1.299	-0.146	-0.750	-0.749	-1.209		-0.438	-0.915	-0.549		-0.062	-0.067			-0.548	-0.012	-0.017
	TPSSh		-1.618	-1.618	-1.475	-1.310	-1.278	-0.169	-0.756		-1.199		-0.456	-0.922	-0.566		-0.096	-0.090			-0.566	-0.023	-0.012
	wB97X-D			-1.594		-1.216		-0.047		-0.633			-0.328	0.104	-0.446			0.022				0.071	0.043
	B97D3		-1.616			-1.261		0.054		-0.620		0.107	-0.300		-0.427			0.141				0.264	0.255
		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	cc-pV(T+d)Z	cc-pCVTZ	daug-cc-pVDZ	daug-cc-pVTZ
Moller Plesset perturbation	MP2		-2.300	-2.300	-2.044	-1.762	-1.645	-0.379	-1.105	-0.963	-1.351		-0.654	-1.115	-0.529		-0.022	0.086		-0.528	-0.525	0.034	0.127
	MP2=FULL		-2.300	-2.300	-2.044	-1.762	-1.648	-0.379	-1.104	-0.962	-1.349		-0.653	-1.117	-0.546		-0.022	0.083			-0.528	0.035	0.123
	ROMP2					-1.754					-1.355						-0.025				-0.534
	MP3					-1.794		-1.672					-0.737	-1.140	-0.601						-0.598
	MP3=FULL					-1.795		-0.512					-0.738	-1.143	-0.622						-0.603
	MP4		-2.264			-1.721				-0.935			-0.640	-1.084	-0.504		-0.017	0.080			-0.499
	MP4=FULL		-2.264			-1.722				-0.936				-1.087	-0.526		-0.018	0.076			-0.501
	B2PLYP		-1.903	-1.903	-1.690	-1.483	-1.430	-0.175	-0.857	-0.814	-1.277		-0.486	-0.989	-0.533		-0.001	0.030			-0.531	0.064
	B2PLYP=FULL		-1.903	-1.903	-1.690	-1.484	-1.431	-0.174	-0.857	-0.814	-1.276		-0.486	-0.989	-0.538		-0.001	0.030			-0.532	0.064
Configuration interaction	CID		-2.368	-2.368	-2.135	-1.866			-1.263												-0.783
Configuration interaction	CISD			-2.360	-2.128	-1.853			-1.252												-0.778
		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	cc-pV(T+d)Z	cc-pCVTZ	daug-cc-pVDZ	daug-cc-pVTZ
Quadratic configuration interaction	QCISD		-2.312	-7.872	-2.070	-1.772	-1.663	-0.486	-1.148	-1.019	-1.382		-0.736	-1.151	-0.628		-0.156	-0.101		-0.628	-0.625
	QCISD(T)					-1.743							-0.670	-1.104	-0.541		-0.051	0.029		-0.541	-0.538
	QCISD(T)=FULL					-1.744		-0.412						-1.107	-0.563	-0.303	-0.052	0.024	0.050		-0.541
	QCISD(TQ)					-1.751		-0.418						-1.106			-0.056	0.017			-0.545
	QCISD(TQ)=FULL					-1.752		-0.419						-1.110	-0.571		-0.058	0.012
Coupled Cluster	CCD		-2.324	-2.324	-2.080	-1.792	-1.677	-0.522	-1.167	-1.029	-1.395		-0.750	-1.159	-0.638		-0.177			-0.638	-0.634
	CCSD					-1.783								-1.156	-0.635	-0.409	-0.166	-0.110			-0.632
	CCSD=FULL					-1.784									-0.657	-0.418	-0.167	-0.115			-0.637
	CCSD(T)					-1.746							-0.673	-1.106	-0.544	-0.297	-0.055	0.025	0.052	-0.544	-0.540
	CCSD(T)=FULL					-1.748							-0.674	-1.109	-0.566	-0.305	-0.056	0.021			-0.544
		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	cc-pV(T+d)Z	cc-pCVTZ	daug-cc-pVDZ	daug-cc-pVTZ

		CEP-31G	CEP-31G*	CEP-121G	CEP-121G*	LANL2DZ	SDD	cc-pVTZ-PP	aug-cc-pVTZ-PP	Def2TZVPP
hartree fock	HF	-2.122	-2.034	-1.918	-1.824	-2.080	-2.076			-1.713
density functional	B3LYP	-0.935	-0.822	-0.655	-0.519	-0.882	-0.881			-0.253
density functional	PBEPBE									-0.248
Moller Plesset perturbation	MP2	-1.447	-1.227	-1.163	-0.937	-1.389	-1.383			-0.355

	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 Electron Affininty for CH3 (Methyl radical)

Calculated Electron Affininty for CH₃ (Methyl radical)