CCCBDB Elelctron affinities page 2

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		3-21G	3-21G*	6-31G*	6-311G*
hartree fock	HF	1.975
hartree fock	ROHF	1.977
density functional	BLYP	2.506
	B1B95	4.381
	B3LYP	2.743
	B3PW91	2.855
	mPW1PW91	2.836
	M06-2X		2.696
	PBEPBE	2.719
	wB97X-D		2.755
	B97D3	2.631
		3-21G	3-21G*	6-31G*	6-311G*
Moller Plesset perturbation	MP2	2.143		2.948	2.948
	MP2=FULL	2.139
	MP4	2.165
Configuration interaction	CID	2.160
Configuration interaction	CISD	2.159
		3-21G	3-21G*	6-31G*	6-311G*
Quadratic configuration interaction	QCISD	2.166
Coupled Cluster	CCD	2.167
		3-21G	3-21G*	6-31G*	6-311G*

		CEP-31G	CEP-31G*	CEP-121G	CEP-121G*	LANL2DZ	SDD	cc-pVTZ-PP	aug-cc-pVTZ-PP	Def2TZVPP
hartree fock	HF	2.341		2.341		2.108		2.134		2.234
hartree fock	ROHF							2.255		2.355
density functional	LSDA							3.806		4.023
	BLYP							2.935		3.188
	B1B95							2.950		3.077
	B3LYP	3.233		3.233		2.979	3.380	3.058		3.215
	B3LYPultrafine							3.058		3.215
	B3PW91							3.101		3.216
	mPW1PW91							3.071		3.183
	M06-2X							2.907		3.004
	PBEPBE							2.990		3.144
	PBEPBEultrafine							2.990		3.144
	PBE1PBE							3.042		3.162
	HSEh1PBE							3.056		3.181
	TPSSh							3.060		3.175
	wB97X-D							3.056		3.180
	B97D3							3.094		3.223
Moller Plesset perturbation	MP2	2.535		2.535		2.239	2.606	2.984		3.138
	MP2=FULL							2.983		3.138
	ROMP2							2.959		3.093
	MP3							2.895		2.984
	MP3=FULL							2.889		2.979
	MP4							2.916		3.066
	MP4=FULL							2.913		3.065
	B2PLYP							2.978		3.127
	B2PLYP=FULL							2.977		3.127
Configuration interaction	CID							2.774		2.815
Configuration interaction	CISD							2.765		2.808
Quadratic configuration interaction	QCISD							2.858		2.976
	QCISD(T)							2.896		3.026
	QCISD(T)=FULL							2.892		3.024
Coupled Cluster	CCD							2.870		2.990
	CCSD							2.860		2.978
	CCSD=FULL							2.855		2.973
	CCSD(T)							2.897		3.027
	CCSD(T)=FULL							2.893		3.025

	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 I (Iodine atom)