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Lanthanide
Actinide
Superactinide
Ion of Neptunium, Z=93, I.P.=50536 cm-1
References:
Worden E., Conway J. // JOSA - 1979 - Vol. 69, ¹ 5 - P. 733-738.
Fred M. et al. // JOSA - 1977 - Vol. 67, ¹ 1 - P. 7-23.
Blaise J. et al. // Phys. Scr. - 1980 - Vol. 22, ¹ 3 - P. 224-230.
Electronic structure
Found 462 levels. [view]Found 104 transitions. [view]