CCCBDB Elelctron affinities page 2

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composite	G2	0.489
	G3	0.546
	G4	0.545
	CBS-Q	0.540

		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
hartree fock	HF	-4.499	-0.836	-0.836	-0.701	-0.777	-0.787	-0.079	-0.415	-0.430	-0.773	-0.087		-0.513	-0.306	-0.197	-0.046	-0.089	-0.091
density functional	BLYP	-4.028	-0.580	-0.580	-0.417	-0.449	-0.456	0.576	0.055	0.044	-0.409			-0.128	0.217
	B1B95	-3.971	-0.498	-0.498	-0.371	-0.408	-0.504	0.418	0.003	-0.011				-0.128	0.129
	B3LYP	-3.843	-0.368	-0.368	-0.217	-0.254	-0.262	0.662	0.208	0.195	-0.225		0.501	0.047	0.353	0.492	0.694	0.667	0.669
	B3LYPultrafine					-0.254		0.662							0.354
	B3PW91	-3.764	-0.216	-0.216	-0.096	-0.127	-0.135	0.673	0.294	0.280	-0.105			0.150	0.416
	mPW1PW91	-3.774	-0.220	-0.220	-0.103	-0.134	-0.143	0.660	0.279	0.265	-0.115			0.141	0.398
	M06-2X			-0.412
	PBEPBE	-3.908	-0.337	-0.337	-0.201	-0.228	-0.237	0.703	0.231	0.217	-0.202			0.068	0.377			0.741
	PBEPBEultrafine					-0.228
	TPSSh					-0.160		0.641			-0.136				0.381
	wB97X-D			-0.358		-0.262		0.570		0.148			0.430	-0.033	0.276			0.551
	B97D3		-0.385			-0.280		0.621		0.161		0.619	0.453		0.311			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
Moller Plesset perturbation	MP2	-5.229	-1.056	-1.056	-0.870	-0.774	-0.732		-0.258	-0.207	-0.539		0.069	-0.312	0.104		0.432	0.462
	MP2=FULL	-5.233	-1.058	-1.058	-0.872	-0.773	-0.733	0.205	-0.256	-0.206	-0.542			-0.314	0.093		0.429	0.447
	MP3=FULL					-0.813		0.126
	MP4		-1.124			-0.845
	B2PLYP=FULLultrafine					-0.473
Configuration interaction	CID		-1.075	-1.075	-0.892	-0.826			-0.341
Configuration interaction	CISD		-1.028	-1.028	-0.843	-0.802			-0.321
		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
Quadratic configuration interaction	QCISD		-1.023	-1.023	-0.822	-0.776	-0.724	0.168	-0.269	-0.207	-0.517			-0.303	0.086
Quadratic configuration interaction	QCISD(T)					-0.783
Coupled Cluster	CCD		-1.126	-1.126	-0.935	-0.850	-0.799	0.084	-0.338	-0.277	-0.591			-0.379	0.025
	CCSD					-0.775		0.578		-0.208
	CCSD(T)					-0.783		0.621		-0.205				-0.305	0.115		0.453	0.473
	CCSD(T)=FULL					-0.783								-0.308	0.099		0.450
		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

		CEP-31G	CEP-31G*	CEP-121G	CEP-121G*	LANL2DZ	SDD	cc-pVTZ-PP	aug-cc-pVTZ-PP	Def2TZVPP
hartree fock	HF	-0.198	-0.301	-0.080	-0.219	-0.239	-0.233			-0.194
density functional	B3LYP	0.287	0.227	0.466	0.389	0.246	0.245			0.490
density functional	PBEPBE									0.509
Moller Plesset perturbation	MP2	-0.338	-0.260	-0.154	-0.094	-0.348	-0.346			0.254

	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 CCH2 (vinylidene)

Calculated Electron Affininty for CCH₂ (vinylidene)