CCCBDB Ionization Energy page 2

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		3-21G	3-21G*	6-31G*	6-31+G**	6-311G*	6-311G**	6-31G(2df,p)	6-311+G(3df,2p)	TZVP	cc-pVDZ	cc-pVTZ	aug-cc-pVTZ	daug-cc-pVTZ
hartree fock	HF													9.264
density functional	BLYP			6.825
	M06-2X		6.819
	TPSSh							6.645
	wB97X-D		10.790	9.644	8.974		7.885			7.553	8.974	8.889	8.889
	B97D3	7.154		5.641	7.220		5.799		7.272	6.370		6.617	7.123
		3-21G	3-21G*	6-31G*	6-31+G**	6-311G*	6-311G**	6-31G(2df,p)	6-311+G(3df,2p)	TZVP	cc-pVDZ	cc-pVTZ	aug-cc-pVTZ	daug-cc-pVTZ
Moller Plesset perturbation	MP2			6.766		9.300
		3-21G	3-21G*	6-31G*	6-31+G**	6-311G*	6-311G**	6-31G(2df,p)	6-311+G(3df,2p)	TZVP	cc-pVDZ	cc-pVTZ	aug-cc-pVTZ	daug-cc-pVTZ

		CEP-31G	CEP-31G*	CEP-121G	CEP-121G*	LANL2DZ	SDD	cc-pVTZ-PP	aug-cc-pVTZ-PP	Def2TZVPP
hartree fock	HF									9.321
density functional	B3LYP									7.231
density functional	PBEPBE									6.826
Moller Plesset perturbation	MP2									9.580

	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 Ionization Energy for Ti (Titanium atom)