CCCBDB Elelctron affinities page 2

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composite	G2	0.765
	G3	0.677
	G3B3	0.698
	G4	0.722
	CBS-Q	0.666

		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	-5.571	-1.778	-1.778	-1.698	-1.542	-1.547	-0.812	-1.161	-1.175	-1.516		-0.926	-1.251	-1.025	-0.910	-0.742	-0.781	-0.784	-0.781
density functional	LSDA	-3.446	0.073	0.073	0.208	0.352	0.356	1.275	0.839	0.824	0.407		1.111	0.664	0.991		1.343	1.317
	BLYP	-3.813	-0.616	-0.616	-0.486	-0.377	-0.377	0.626	0.114	0.099	-0.327		0.411	-0.058	0.270		0.685	0.656
	B1B95	-3.797	-0.558	-0.558	-0.465	-0.298	-0.452	0.482	-0.066	0.068	-0.274		0.349	-0.032	0.240		0.566	0.528
	B3LYP	-3.713	-0.469	-0.469	-0.349	-0.231	-0.233	0.671	0.223	0.207	-0.190		0.497	0.072	0.369	0.504	0.728	0.693	0.694
	B3LYPultrafine		-0.469			-0.231	-0.233	0.671	0.223				0.497	0.072	0.369		0.728	0.693
	B3PW91	-3.761	-0.431	-0.431	-0.344	-0.219	-0.219	0.569	0.195	0.180	-0.185		0.428	0.061	0.318		0.630	0.594
	mPW1PW91	-3.829	-0.459	-0.483	-0.400	-0.250	-0.251	0.535	0.159	0.121	-0.242		0.367	0.031	0.280		0.574	0.537
	M06-2X	-3.771	-0.444	-0.444	-0.328	-0.167	-0.168	0.611	0.231	0.213	-0.115	0.625	0.470	0.097	0.387		0.648	0.642
	PBEPBE	-3.835	-0.486	-0.486	-0.387	-0.269	-0.270	0.642	0.182	0.167	-0.228		0.447	0.032	0.324		0.705	0.678
	PBEPBEultrafine		-0.486			-0.270	-0.270	0.642	0.181				0.447	0.032	0.323		0.704	0.677
	PBE1PBE	-3.910	-0.510	-0.510	-0.423	-0.296	-0.296	0.505	0.114	0.098	-0.264		0.354	-0.012	0.243		0.565	0.531
	HSEh1PBE	-3.910	-0.527	-0.527	-0.433	-0.308	-0.309	0.501	0.108	0.093	-0.274		0.354	-0.021	0.238		0.562	0.526
	TPSSh	-3.761	-0.467	-0.467	-0.403	-0.291	-0.291	0.498	0.113	0.099	-0.264		0.348	-0.020	0.234	0.350	0.552	0.524	0.525
	wB97X-D	-3.765	-0.454	-0.454	-0.341	-0.210	-0.207	0.609	0.209	0.197	-0.162		0.454	-0.000	0.335	0.463	0.674	0.619	0.620
	B97D3											0.642
		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	-4.737	-0.873	-0.873	-0.646	-0.402	-0.324		0.116	0.213	-0.086		0.470	0.112	0.564	0.774	0.905	0.953	0.987
	MP2=FULL	-4.736	-0.872	-0.871	-0.644	-0.408	-0.332	0.596	0.114	0.211	-0.101		0.466	0.108	0.529	0.751	0.900	0.924	0.962
	MP3					-0.479		0.637					0.346	0.041	0.446
	MP3=FULL		-0.941	-0.941	-0.726	-0.485	-0.404	0.447	0.012	0.115	-0.171		0.341	0.036	0.409		0.763	0.749
	MP4		-0.868			-0.389				0.221			0.469	0.119	0.568		0.897	0.934
	MP4=FULL		-0.868			-0.396				0.216				0.114	0.529		0.892	0.891
	B2PLYP	-4.182	-0.726	-0.726	-0.576	-0.415	-0.394	0.520	0.054	0.073	-0.293		0.358	-0.048	0.296		0.652	0.644
	B2PLYP=FULL	-4.182	-0.726	-0.726	-0.576	-0.416	-0.395	0.518	0.054	0.072	-0.296		0.357	-0.049	0.289		0.651	0.638
	B2PLYP=FULLultrafine	-4.182	-0.726	-0.726	-0.576	-0.416	-0.395	0.518	0.054	0.072	-0.296		0.357	-0.049	0.289		0.651	0.638
Configuration interaction	CID		-1.090	-1.090	-0.901	-0.671			-0.207
Configuration interaction	CISD		-1.186	-1.186	-1.011	-0.742			-0.276
		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		-1.204	-1.204	-1.019	-0.700	-0.620	0.254	-0.199	-0.103	-0.391		0.135	-0.197	0.218		0.524	0.551
	QCISD(T)					-0.665			-0.148				0.206	-0.148	0.305		0.627	0.660
	QCISD(T)=FULL					-0.670		0.323						-0.152	0.275	0.475	0.622	0.644	0.666
	QCISD(TQ)					-0.689		0.305						-0.169	0.279		0.601
	QCISD(TQ)=FULL					-0.694		0.299						-0.174	0.250		0.596
Coupled Cluster	CCD		-0.985	-0.985	-0.772	-0.503	-0.424	0.422	-0.008	0.089	-0.194		0.313	0.007	0.400		0.716
	CCSD					-0.711					-0.399		0.128	-0.203	0.213	0.388	0.517	0.544
	CCSD=FULL					-0.715					-0.409		0.125	-0.207	0.183	0.371	0.513	0.521
	CCSD(T)					-0.662	-0.578		-0.144				0.210	-0.144	0.312	0.491	0.631	0.666	0.686
	CCSD(T)=FULL					-0.667							0.205	-0.149	0.271	0.482	0.626	0.642	0.672
		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	-1.228	-1.083	-1.116	-0.974	-1.284	-1.281			-0.910
density functional	B3LYP	0.121	0.217	0.290	0.374	0.027	0.028			0.503
	PBEPBE									0.453
	wB97X-D	0.131	0.247	0.273	0.379	0.019	0.020
Moller Plesset perturbation	MP2	-0.049	0.172	0.139	0.306	-0.133	-0.124			0.707

	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 C2H3 (vinyl)

Calculated Electron Affininty for C₂H₃ (vinyl)