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NIST Atomic Spectra Database
Ionization Energies Data

Rb (all spectra)
37 Data Rows Found 

Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2021). NIST Atomic Spectra Database (ver. 5.9), [Online]. Available: https://physics.nist.gov/asd [2022, August 12]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
 

 At. Num.   Ion  Charge   El.  name   Ionization  Energy 
 (eV) 
Uncertainty
 (eV) 
 References 
37  Rubidium    4.1771281                 0.0000012   L4740,L5783 
37  +1  Rubidium    27.28954                   0.00006     L2590 
37  +2  Rubidium    [39.247]                    0.003       L4311 
37  +3  Rubidium    [52.20]                     0.25        L9039,L6470 
37  +4  Rubidium    (68.44)                     0.15        L9039c99 
37  +5  Rubidium    (82.9)                      2.0         L8672c99 
37  +6  Rubidium    [98.67]                     0.04        L6833 
37  +7  Rubidium    [132.79]                     0.25        L9039,L6976 
37  +8  Rubidium    150.628                     0.025       L6264 
37  +9  Rubidium    277.12                      0.12        L3465c99 
37  +10  Rubidium    (313.1)                      2.4         L8672c99 
37  +11  Rubidium    (356.0)                      2.5         L8672c99 
37  +12  Rubidium    (400)                        3           L8672c99 
37  +13  Rubidium    (443)                        3           L8672c99 
37  +14  Rubidium    (502)                        3           L8672c99 
37  +15  Rubidium    (550)                        3           L8672c99 
37  +16  Rubidium    (601)                        3           L8672c99 
37  +17  Rubidium    (654)                        3           L8672c99 
37  +18  Rubidium    (706.0)                      2.2         L9039 
37  +19  Rubidium    [857]                        3           L11770 
37  +20  Rubidium    [905.3]                      1.0         L11770 
37  +21  Rubidium    [958.9]                      1.4         L11770 
37  +22  Rubidium    [1 024]                        4           L11770 
37  +23  Rubidium    [1 080]                        3           L11770 
37  +24  Rubidium    [1 125]                        5           L11770 
37  +25  Rubidium    [1 242.5]                      1.7         L11770 
37  +26  Rubidium    [1 294.57]                     0.04        L11770 
37  +27  Rubidium    [3 133.3]                      1.8         L11770 
37  +28  Rubidium    [3 281]                        6           L11770 
37  +29  Rubidium    [3 443]                        8           L11770 
37  +30  Rubidium    [3 600]                        30           L11770 
37  +31  Rubidium    [3 815]                        4           L11770 
37  +32  Rubidium    [3 988]                        3           L11770 
37  +33  Rubidium    [4 214]                        4           L11770 
37  +34  Rubidium    (4 356.865)                    0.010       L16264c99 
37  +35  Rubidium    (18 305.884)                    0.005       L12128 
37  +36  Rubidium    (18 965.516)                    0.012       L7188 

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