Table 1: The configurations used to calculate the energy levels and the radiative data.

c1: 2s2	c2: 2s 2p	c3: 2p2	c4: 2s 3s
c5: 2s 3p	c6: 2s 3d	c7: 2p 3s	c8: 2p 3p
c9: 2p 3d	c10: 2s 4s	c11: 2s 4p	c12: 2s 4d
c13: 2s 4f	c14: 2p 4s	c15: 2p 4p	c16: 2p 4d
c17: 2p 4f	c18: 3s2	c19: 3s 3p	c20: 3s 3d
c21: 3p2	c22: 3p 3d	c23: 3d2	c24: 3s 4s
c25: 3s 4p	c26: 3s 4d	c27: 3p 4s	c28: 3s 4f
c29: 3p 4p	c30: 3d 4s	c31: 3p 4d	c32: 3p 4f
c33: 3d 4p	c34: 3d 4d	c35: 3d 4f	c36: 4s2
c37: 4s 4p	c38: 4s 4d	c39: 4p2	c40: 4s 4f
c41: 4p 4d	c42: 4p 4f	c43: 4d2	c44: 4d 4f
c45: 4f2