Table of spin-orbit energies for p-electrons in neutral atomic (core) np configurations

Da ta are giv e n in s upport of th e rece ntl y pro pose d fo rmul a t;,,,/, n *"=0.450Z2.:I" c m -I (Z ;;.5).Th e tab le in c lu d es e valu a ti on s of t hi s fo rmul a. w hi c h are prob a b ly ac c ura te to -15 pe rce n t for a ll a to lll , Z = ]O to 90.Fo r m a n y (co re) np co nfig urat ion s, th e acc ura cy o f t;, .. /' fro m th e fo rillu ia is g rea te r th a n th a t to be e xpec te d from fittin :! th e "bse rved leve ls to int e rm ed ia te co uplin :! th e ur y.