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NIST Atomic Spectra Database
Ionization Energies Data

V (all spectra)
23 Data Rows Found 

Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2019). NIST Atomic Spectra Database (ver. 5.7.1), [Online]. Available: https://physics.nist.gov/asd [2019, December 15]. 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 
23  Vanadium  [Ar]3d34s2   4F3/2    6.746187                 0.000021   L17712,L20010 
23  Vanadium  Ti  [Ar]3d4   5D0    14.634                    0.007      L20009 
23  Vanadium  Sc  [Ar]3d3   4F3/2    29.3111                   0.0025     L7185,L704,L4746 
23  Vanadium  Ca  [Ar]3d2   3F2    46.709                    0.005      L7185,L147 
23  Vanadium  [Ar]3d   2D3/2    65.28165                  0.00017    L3917,L7185 
23  Vanadium  Ar  [Ne]3s23p6   1S0    128.125                    0.025      L7185 
23  Vanadium  Cl  [Ne]3s23p5   23/2    [150.72]                    0.13       L11770 
23  Vanadium  [Ne]3s23p4   3P2    [173.55]                    0.21       L11770 
23  Vanadium  [Ne]3s23p3   43/2    [206.0]                     0.4        L11770 
23  Vanadium  Si  [Ne]3s23p2   3P0    [230.5]                     0.5        L7185 
23  Vanadium  Al  [Ne]3s23p   21/2    [254.8]                     0.4        L11770 
23  Vanadium  Mg  [Ne]3s2   1S0    [308.5]                     0.3        L11770 
23  Vanadium  Na  [Ne]3s   2S1/2    [336.274]                   0.006      L11770 
23  Vanadium  Ne  1s22s22p6   1S0    896.0                      0.4        L7185 
23  Vanadium  1s22s22p5   23/2    [977.2]                     1.3        L11770 
23  Vanadium  1s22s22p4   3P2    [1 062.9]                     2.0        L11770 
23  Vanadium  1s22s22p3   43/2    [1 165.2]                     1.1        L11770 
23  Vanadium  1s22s22p2   3P0    [1 258.9]                     0.6        L11770 
23  Vanadium  1s22s22p   21/2    [1 354.2]                     0.5        L11770 
23  Vanadium  Be  1s22s2   1S0    [1 486.7]                     0.5        L11770 
23  Vanadium  Li  1s22s   2S1/2    (1 569.656)                   0.007      L16264c99 
23  Vanadium  He  1s2   1S0    (6 851.3108)                  0.0007     L12128 
23  Vanadium  1s   2S1/2    (7 246.1225)                  0.0012     L7188 
Notes:
Designations used in the ground shell lists:
[Ne] = 1s22s22p6
[Ar] = 1s22s22p63s23p6

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