Table 1. Ab Initio Hartree–Fock Values of Slater Integrals and Spin-Orbit Coupling Constants in the Ground-State Configurations^a.

		Hartree–Fock Values (eV)
	n	F2(5f,5f)	F4(5f,5f)	F6(5f,5f)	ζ(5f)
Th(IV)	0	0	0	0	0
U(IV)	2	9.514	6.224	4.569	0.261
Np(IV)	3	9.907	6.489	4.767	0.297
Pu(IV)	4	10.282	6.741	4.955	0.334
Am(IV)	5	10.642	6.982	5.136	0.373
Cm(IV)	6	10.990	7.216	5.310	0.414
Bk(IV)	7	11.328	7.442	5.479	0.457
Cf(IV)	8	11.657	7.662	5.642	0.502

^aIn the RIXS calculation, the Slater integrals were reduced to 80% of these values.