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| NIST Atomic Spectra Database Ionization Energies Data
Cf (all spectra) |
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, May 2]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
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At. num | El. Name | Isoel. Seq. | Ground Shells (a) | Ground Level | Ionization Energy (eV) | Uncertainty (eV) | References
--------|-------------|-------------|--------------------|-----------------|--------------------------------------|----------------------|-----------
98 | Californium | Cf | [Rn].5f10.7s2 | 5I<8> | 6.281878 | 0.000006 | L22260
98 | Californium | Bk | [Rn].5f10.7s | 6I<17/2> | [12.0] | 0.4 | L13741c99
98 | Californium | Cm | [Rn].5f10 | 5I<8> | [22.4] | 0.4 | L13741c99
98 | Californium | Am | [Rn].5f9 | 6H*<15/2> | [37.7] | 0.4 | L13741c99
98 | Californium | Pu | [Rn].5f8 | 7F<6> | (51.9) | 1.9 | L8672c99
98 | Californium | Np | [Rn].5f7 | 8S*<7/2> | (75.0) | 2.0 | L8672c99
98 | Californium | U | [Rn].5f6 | 7F0 | (91.0) | 2.0 | L8672c99
98 | Californium | Pa | [Rn].5f5 | 6H*<5/2> | (112.9) | 2.1 | L8672c99
98 | Californium | Th | [Rn].5f4 | 5I<4> | (133) | 6 | L582
98 | Californium | Ac | [Hg].5f7.6p2 | * | (152) | 7 | L582
98 | Californium | Ra | [Hg].5f6.6p2 | | (178) | 9 | L582
98 | Californium | Fr | [Hg].5f5.6p2 | * | (201) | 10 | L582
98 | Californium | Rn | [Hg].5f4.6p2 | | (225) | 11 | L582
98 | Californium | At | [Hg].5f3.6p2 | * | (247) | 12 | L582
98 | Californium | Po | [Hg].5f3.6p | | (265) | 14 | L582
98 | Californium | Bi | [Hg].5f3 | * | (286) | 15 | L582
98 | Californium | Pb | [Hg].5f2 | | (310) | 15 | L582
98 | Californium | Tl | [Hg].5f | 2F*<5/2> | (334) | 16 | L582
98 | Californium | Hg | [Xe].4f14.5d10.6s2 | 1S0 | (368) | 3 | L8672c99
98 | Californium | Au | [Xe].4f14.5d10.6s | 2S<1/2> | (390) | 4 | L8672c99
98 | Californium | Pt | [Xe].4f14.5d10 | 1S0 | (536) | 4 | L8672c99
98 | Californium | Ir | [Xe].4f14.5d9 | 2D<5/2> | (566) | 4 | L8672c99
98 | Californium | Os | [Xe].4f14.5d8 | 3F<4> | (597) | 4 | L8672c99
98 | Californium | Re | [Xe].4f14.5d7 | 4F<9/2> | (630) | 4 | L8672c99
98 | Californium | W | [Xe].4f14.5d6 | 5D<4> | (662) | 4 | L8672c99
98 | Californium | Ta | [Xe].4f14.5d5 | 6S<5/2> | (695) | 4 | L8672c99
98 | Californium | Hf | [Xe].4f14.5d4 | 5D0 | (744) | 4 | L8672c99
98 | Californium | Lu | [Xe].4f14.5d3 | 4F<3/2> | (778) | 4 | L8672c99
98 | Californium | Yb | [Xe].4f14.5d2 | 3F<2> | (814) | 4 | L8672c99
98 | Californium | Tm | [Xe].4f14.5d | 2D<3/2> | (847) | 4 | L8672c99
98 | Californium | Er | [Xe].4f14 | 1S0 | (1010) | 50 | L582
98 | Californium | Ho | [Cd].4f14.5p5 | 2P*<3/2> | (1050) | 50 | L582
98 | Californium | Dy | [Cd].4f14.5p4 | 3P<2> | (1090) | 50 | L582
98 | Californium | Tb | [Cd].4f14.5p3 | 2P*<3/2> | (1120) | 60 | L582
98 | Californium | Gd | [Cd].4f14.5p2 | 3P0 | (1250) | 60 | L582
98 | Californium | Eu | [Cd].4f14.5p | 2P*<1/2> | (1300) | 60 | L582
98 | Californium | Sm | [Cd].4f14 | 1S0 | (1420) | 70 | L582
98 | Californium | Pm | [Kr].4d10.4f14.5s | 2S<1/2> | (1470) | 70 | L582
98 | Californium | Nd | [Kr].4d10.4f14 | 1S0 | (1620) | 80 | L582
98 | Californium | Pr | [Kr].4d10.4f13 | 2F*<7/2> | (1700) | 90 | L582
98 | Californium | Ce | [Kr].4d10.4f12 | | (1790) | 90 | L582
98 | Californium | La | [Kr].4d10.4f11 | 4I*<15/2> | (1880) | 100 | L582
98 | Californium | Ba | [Kr].4d10.4f10 | 5I<8> | (1960) | 100 | L582
98 | Californium | Cs | [Kr].4d10.4f9 | 6H*<15/2> | (2050) | 100 | L582
98 | Californium | Xe | [Kr].4d10.4f8 | 7F<6> | (2130) | 110 | L582
98 | Californium | I | [Kr].4d10.4f7 | 8S*<7/2> | (2220) | 110 | L582
98 | Californium | Te | [Kr].4d10.4f6 | 7F0 | (2320) | 120 | L582
98 | Californium | Sb | [Kr].4d10.4f5 | 6H*<5/2> | (2410) | 120 | L582
98 | Californium | Sn | [Kr].4d10.4f4 | 5I<4> | (2490) | 120 | L582
98 | Californium | In | [Kr].4d10.4f3 | 4I*<9/2> | (2580) | 120 | L582
98 | Californium | Cd | [Kr].4d10.4f2 | 3H<4> | (2670) | 140 | L582
98 | Californium | Ag | [Kr].4d10.4f | 2F*<5/2> | (2750) | 140 | L582
98 | Californium | Pd | [Kr].4d10 | 1S0 | (3186) | 4 | L8672c99
98 | Californium | Rh | [Kr].4d9 | 2D<5/2> | (3261) | 5 | L8672c99
98 | Californium | Ru | [Kr].4d8 | 3F<4> | (3340) | 5 | L8672c99
98 | Californium | Tc | [Kr].4d7 | 4F<9/2> | (3424) | 5 | L8672c99
98 | Californium | Mo | [Kr].4d6 | 5D<4> | (3503) | 5 | L8672c99
98 | Californium | Nb | [Kr].4d5 | <5/2> | (3581) | 6 | L8672c99
98 | Californium | Zr | [Kr].4d4 | 5D0 | (3747) | 6 | L8672c99
98 | Californium | Y | [Kr].4d3 | 4F<3/2> | (3828) | 7 | L8672c99
98 | Californium | Sr | [Kr].4d2 | 3F<2> | (3915) | 10 | L8672c99
98 | Californium | Rb | [Kr].4d | 2D<3/2> | (3998) | 12 | L8672c99
98 | Californium | Kr | [Ar].3d10.4s2.4p6 | 1S0 | (4329) | 15 | L8672c99
98 | Californium | Br | [Ar].3d10.4s2.4p5 | 2P*<3/2> | (4407) | 19 | L8672c99
98 | Californium | Se | [Ar].3d10.4s2.4p4 | 3P<2> | (4494) | 24 | L8672c99
98 | Californium | As | [Ar].3d10.4s2.4p3 | *<3/2> | (4570) | 30 | L8672c99
98 | Californium | Ge | [Ar].3d10.4s2.4p2 | 3P0 | (5100) | 40 | L8672c99
98 | Californium | Ga | [Ar].3d10.4s2.4p | 2P*<1/2> | (5190) | 40 | L8672c99
98 | Californium | Zn | [Ar].3d10.4s2 | 1S0 | (5430) | 50 | L8672c99
98 | Californium | Cu | [Ar].3d10.4s | 2S<1/2> | (5520) | 50 | L8672c99
98 | Californium | Ni | [Ar].3d10 | 1S0 | (8730) | 60 | L8672c99
98 | Californium | Co | [Ar].3d9 | 2D<5/2> | (8900) | 60 | L8672c99
98 | Californium | Fe | [Ar].3d8 | 3F<4> | (9090) | 70 | L8672c99
98 | Californium | Mn | [Ar].3d7 | 4F<9/2> | (9290) | 90 | L8672c99
98 | Californium | Cr | [Ar].3d6 | <4> | (9480) | 90 | L8672c99
98 | Californium | V | [Ar].3d5 | <5/2> | (9660) | 100 | L8672c99
98 | Californium | Ti | [Ar].3d4 | 5D0 | (10140) | 110 | L8672c99
98 | Californium | Sc | [Ar].3d3 | 4F<3/2> | (10330) | 120 | L8672c99
98 | Californium | Ca | [Ar].3d2 | 3F<2> | (10550) | 120 | L8672c99
98 | Californium | K | [Ar].3d | 2D<3/2> | (10740) | 140 | L8672c99
98 | Californium | Ar | [Ne].3s2.3p6 | 1S0 | (11300) | 150 | L8672c99
98 | Californium | Cl | [Ne].3s2.3p5 | 2P*<3/2> | (11470) | 160 | L8672c99
98 | Californium | S | [Ne].3s2.3p4 | 3P<2> | (11650) | 170 | L8672c99
98 | Californium | P | [Ne].3s2.3p3 | 2P*<3/2> | (11820) | 190 | L8672c99
98 | Californium | Si | [Ne].3s2.3p2 | 3P0 | (13450) | 200 | L8672c99
98 | Californium | Al | [Ne].3s2.3p | 2P*<1/2> | (13660) | 220 | L8672c99
98 | Californium | Mg | [Ne].3s2 | 1S0 | (14080) | 240 | L8672c99
98 | Californium | Na | [Ne].3s | 2S<1/2> | (14280) | 250 | L8672c99
98 | Californium | Ne | 1s2.2s2.2p6 | 1S0 | (29000) | 300 | L8672c99
98 | Californium | F | 1s2.2s2.2p5 | 2P*<3/2> | (29500) | 300 | L8672c99
98 | Californium | O | 1s2.2s2.2p4 | 3P<2> | (30000) | 300 | L8672c99
98 | Californium | N | 1s2.2s2.2p3 | (0,3/2)*<3/2> | (30500) | 300 | L8672c99
98 | Californium | C | 1s2.2s2.2p2 | 3P0 | (36500) | 400 | L8672c99
98 | Californium | B | 1s2.2s2.2p | 2P*<1/2> | (37100) | 400 | L8672c99
98 | Californium | Be | 1s2.2s2 | 1S0 | (37900) | 400 | L8672c99
98 | Californium | Li | 1s2.2s | 2S<1/2> | (38443.5) | 1.0 | L16264c99
98 | Californium | He | 1s2 | 1S0 | (150593) | 5 | L12128
98 | Californium | H | 1s | 2S<1/2> | (153124) | 5 | L19200
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Notes:
(a) Designations used in the ground shell lists:
[Ne] = 1s2.2s2.2p6
[Ar] = 1s2.2s2.2p6.3s2.3p6
[Kr] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6
[Cd] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d10.5s2
[Xe] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d10.5s2.5p6
[Hg] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d10.5s2.5p6.4f14.5d10.6s2
[Rn] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d10.5s2.5p6.4f14.5d10.6s2.6p6
If you did not find the data you need, please inform the ASD Team.
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