Table 2: Calculated isotope shifts and coulombic repulsion values.

2Tl ( )2Tl ( )2Tl ( )Y1232Bi ( )Nd ( )La ( )

0.490.490.490.490.490.490.48
4.93.92.83.53.43.11.75
0.1140.1050.0960.10.0960.0930.073