CCCBDB Elelctron affinities page 2

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composite	G2	-0.143
	G3	-0.216
	G3B3	-0.204
	CBS-Q	-0.219

		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	-6.392	-2.735	-2.735	-2.663	-2.520	-2.517	-1.801	-2.146	-2.155	-2.482		-1.951	-2.227	-2.020	-1.908	-1.714	-1.740	-1.739	-1.732
density functional	LSDA	-4.688	-0.908	-0.908	-0.750	-0.595	-0.570	0.415	-0.053	-0.048	-0.500		0.203	-0.226	0.128		0.531	0.541
	BLYP	-4.988	-1.634	-1.634	-1.496	-1.363	-1.342	-0.288	-0.816	-0.810	-1.277		-0.549	-0.985	-0.645
	B1B95	-5.017	-1.601	-1.601	-1.491	-1.312	-1.508	-0.447	-1.062	-0.865	-1.233		-0.644	-0.987	-0.709		-0.347	-0.352
	B3LYP	-4.942	-1.537	-1.537	-1.415	-1.268	-1.251	-0.300	-0.766	-0.764	-1.189		-0.516	-0.914	-0.601	-0.460	-0.195	-0.198	-0.186
	B3LYPultrafine					-1.268								-0.914	-0.600		-0.195	-0.198
	B3PW91	-5.011	-1.510	-1.510	-1.415	-1.260	-1.241	-0.400	-0.804	-0.802	-1.186		-0.583	-0.934	-0.653
	mPW1PW91	-5.088	-1.571	-1.571	-1.481	-1.324	-1.306	-0.469	-0.871	-0.869	-1.251		-0.653	-0.996	-0.722		-0.368	-0.373
	M06-2X	-4.945	-1.507	-1.509	-1.365	-1.176	-1.160	-0.336	-0.753	-0.759	-1.085		-0.527	-0.867	-0.574		-0.263	-0.261
	PBEPBE	-5.044	-1.513	-1.513	-1.399	-1.255	-1.233	-0.264	-0.749	-0.744	-1.174		-0.505	-0.894	-0.583		-0.144	-0.134
	PBEPBEultrafine					-1.255								-0.894	-0.583		-0.144	-0.133
	PBE1PBE	-5.171	-1.592	-1.592	-1.497	-1.339	-1.339	-0.469	-0.885	-0.884	-1.267		-0.661	-1.007	-0.729		-0.366	-0.370
	HSEh1PBE	-5.168	-1.608	-1.608	-1.505	-1.349	-1.332		-0.890	-0.888	-1.276		-0.661	-1.013	-0.734		-0.365	-0.372
	TPSSh										-1.250
	wB97X-D			-1.554		-1.266		-0.393		-0.798			-0.579	-0.393	-0.657			-0.316
	B97D3		-1.520			-1.271		-0.293		-0.769		-0.237	-0.530		-0.621			-0.174
		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	-6.208	-2.182	-2.182	-1.996	-1.727	-1.609	-0.612	-1.165	-1.011	-1.354		-0.778	-1.135	-0.641	-0.420	-0.259	-0.162	-0.125
	MP2=FULL	-6.208	-2.183	-2.183	-1.996	-1.730	-1.614	-0.615	-1.166	-1.013	-1.358		-0.780	-1.138	-0.664	-0.434	-0.261	-0.173	-0.136
	MP3					-1.789
	MP4		-2.150			-1.702				-0.990			-0.765	-1.114	-0.628		-0.254	-0.177
	MP4=FULL		-2.150			-1.704				-0.994				-1.119	-0.656		-0.257	-0.190
	B2PLYP	-5.427	-1.813	-1.813	-1.671	-1.486	-1.440	-0.475	-0.971	-0.924	-1.319		-0.677	-1.060	-0.693		-0.289	-0.264
Configuration interaction	CID		-2.316	-2.316	-2.164	-1.934			-1.440
Configuration interaction	CISD		-2.308	-2.308	-2.158	-1.926			-1.435
		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		-2.213	-2.213	-2.047	-1.776	-1.659	-0.739	-1.245	-1.099	-1.423		-0.889	-1.203	-0.780
Quadratic configuration interaction	QCISD(T)					-1.730							-0.805	-1.142	-0.676		-0.299	-0.238
Coupled Cluster	CCD		-2.228	-2.228	-2.059	-1.791	-1.670	-0.769	-1.258	-1.105	-1.430		-0.899	-1.208	-0.783		-0.432
	CCSD					-1.785							-0.896	-1.208	-0.785		-0.425
	CCSD=FULL					-1.788							-0.899	-1.213	-0.812		-0.428
	CCSD(T)					-1.734							-0.808	-1.143	-0.678		-0.302	-0.241
	CCSD(T)=FULL					-1.735							-0.811	-1.149	-0.706	-0.495	-0.306	-0.254
		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	-2.309	-2.174	-2.107	-1.986	-2.298	-2.296			-1.921
density functional	B3LYP	-1.112	-0.976	-0.806	-0.673	-1.104	-1.102			-0.484
density functional	PBEPBE									-0.470
Moller Plesset perturbation	MP2	-1.529	-1.290	-1.237	-1.013	-1.515	-1.509			-0.509

	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 C2H5 (Ethyl radical)

Calculated Electron Affininty for C₂H₅ (Ethyl radical)