Table lookup:

from
to
Energy:
ConfigurationType:
Configuration:
Term:
J value:
ConfigurationType Configuration Term J F Energy (cm -1) Lifetime
(ns)
Source
ns 6s 2 S 1/2
np 6p 2 P 1/2
np 6p 2 P 3/2
ns 7s 2 S 1/2
np 7p 2 P 1/2
np 7p 2 P 3/2
5s@{2}5p@{5}4f@{3} 5s@{2}5p@{5}4f@{3} ? 0