CCCBDB Elelctron affinities page 2

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		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	-0.849	2.947	1.385	4.237	1.808	1.808	2.235	1.949	1.949	1.405		2.146	1.696	1.751	1.821	2.249	1.988	1.905	1.985
density functional	LSDA	-2.607	2.344	1.459	3.659	2.230	2.230	2.975	2.520	2.520	1.917			2.033	2.427		2.982
	BLYP	-2.978	1.702	0.879	3.012	1.675	1.675	2.527	1.992	1.992	1.371			1.486	1.902
	B1B95	-2.189		1.343	3.782	1.982	1.982	2.617	2.223	2.223	1.632			1.831	2.073		2.629	2.410
	B3LYP	-2.263	2.287	1.311	3.576		2.015	2.729	2.276	2.276	1.677		2.557	1.841	2.157	2.297	2.741	2.529	2.454
	B3LYPultrafine					2.015												2.529
	B3PW91	-2.226	2.379	1.367	3.616	2.003	2.003	2.615	2.233	2.233	1.667			1.849	2.100
	mPW1PW91	-2.116	2.449	1.401	3.682	2.015	2.015	2.626	2.238	2.238	1.678			1.861	2.094
	M06-2X			1.498								2.260
	PBEPBE	-2.936	1.851	0.992	3.114	1.714	1.714	2.480	1.994	1.994	1.422			1.540	1.894
	TPSSh					1.890		2.532			1.571				2.004
	wB97X-D			1.357		1.990		2.600		2.200			2.420	2.409	2.043			2.352
	B97D3		1.989			1.769		2.477		2.035		2.165	2.285		1.903			2.279		2.276
		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
Moller Plesset perturbation	MP2	-4.318	0.982	0.260	2.371	1.329	1.329	2.040	1.428	1.428	1.193		1.769	1.012	1.582	1.843	2.140		2.047
	MP2=FULL	-4.326	0.978	0.256	2.366	0.809	1.318	2.029	1.428	1.428	1.195			1.003	1.561	1.842		2.053	2.040
	MP3					1.670
	MP3=FULL					1.657		2.267
	MP4					1.347
	B2PLYP														1.903
	B2PLYP=FULLultrafine					1.726								1.502	1.896
Configuration interaction	CID		2.082	0.856	3.464	1.704			1.794
Configuration interaction	CISD		2.037	0.842	3.418	1.699			1.789
		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			0.673	3.147	1.652	1.652	2.340	1.748	1.748	1.482			1.374	1.857
Quadratic configuration interaction	QCISD(T)					1.530								1.239	1.769
Coupled Cluster	CCD		1.838	0.704	3.239	1.653	1.653	2.285	1.743	1.743	1.464			1.378	1.843			2.263
	CCSD					1.666
	CCSD(T)					1.538								1.247	1.775		2.394
	CCSD(T)=FULL					1.526
		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	4.755	2.183	4.668	2.147	4.514	4.317			1.728
density functional	B3LYP	4.198	2.508	4.133	2.496	3.913	3.765			2.173
density functional	PBEPBE									1.927
Moller Plesset perturbation	MP2	2.934	1.779	2.925	1.792	2.700	2.597			1.643

	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 SO3 (Sulfur trioxide)

Calculated Electron Affininty for SO₃ (Sulfur trioxide)