Ion of Promethium, Z=61, I.P.=44800 cm-1
References:
Reader J., Davis S. // J. Res. NBS - 1967 - Vol. 71 A, ¹ 6 - P. 587-599.
Reader J., Sugar J. // JOSA - 1966 - Vol. 56, ¹ 5 - P. 1189
Electronic structure
Found 223 levels.
[view]
Found 638 transitions. [view]