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NIST Atomic Spectra Database
Ionization Energies Data

Ti (all spectra)
22 Data Rows Found 
Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2023). NIST Atomic Spectra Database (ver. 5.11), [Online]. Available: https://physics.nist.gov/asd [2024, September 12]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
 

 At. Num.   El.  name   Isoel.  Seq.   Ground  Shells a   Ground  Level   Ionization  Energy 
 (eV) 		 Uncertainty
 (eV) 		  References 
22  Titanium  Ti  [Ar]3d24s2   3F2    6.828120                 0.000012   L17996 
22  Titanium  Sc  [Ar]3d24s   4F3/2    13.5755                   0.0025     L7185,L5432 
22  Titanium  Ca  [Ar]3d2   3F2    27.49171                  0.00025    L7185,L3593 
22  Titanium  K  [Ar]3d   2D3/2    43.26717                  0.00019    L7185,L2753 
22  Titanium  Ar  [Ne]3s23p6   1S0    99.299                    0.012      L7185 
22  Titanium  Cl  [Ne]3s23p5   2P°3/2    [119.533]                   0.025      L7185 
22  Titanium  S  [Ne]3s23p4   3P2    [140.68]                    0.18       L11770 
22  Titanium  P  [Ne]3s23p3   4S°3/2    [170.5]                     0.4        L11770 
22  Titanium  Si  [Ne]3s23p2   3P0    [192.1]                     0.4        L7185 
22  Titanium  Al  [Ne]3s23p   2P°1/2    215.92                     0.12       L7185 
22  Titanium  Mg  [Ne]3s2   1S0    [265.07]                    0.06       L7185 
22  Titanium  Na  [Ne]3s   2S1/2    [291.500]                   0.005      L11770 
22  Titanium  Ne  1s22s22p6   1S0    787.67                     0.04       L11691 
22  Titanium  F  1s22s22p5   2P°3/2    [864.0]                     1.2        L11770 
22  Titanium  O  1s22s22p4   3P2    [944.5]                     1.6        L11770 
22  Titanium  N  1s22s22p3   4S°3/2    [1 042.5]                     0.8        L11770 
22  Titanium  C  1s22s22p2   3P0    [1 130.2]                     0.5        L11770 
22  Titanium  B  1s22s22p   2P°1/2    [1 220.3]                     0.5        L11770 
22  Titanium  Be  1s22s2   1S0    [1 346.3]                     0.5        L11770 
22  Titanium  Li  1s22s   2S1/2    (1 425.257)                   0.007      L16264c99 
22  Titanium  He  1s2   1S0    (6 249.0226)                  0.0007     L21139 
22  Titanium  H  1s   2S1/2    (6 625.81023)                 0.00010    L19200 
Notes:
a Designations used in the ground shell lists:
[Ne] = 1s22s22p6
[Ar] = 1s22s22p63s23p6

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