Methods of Calculating Ionization Energies of Multielectron (Five or More) Isoelectronic Atomic Ions

Table 11

Percentage differences between results shown in Table 10 and values from the CRC Handbook.

𝑍	(2)	(3)	(4)	(5)	(6)	(7)
	First	Second	Third	Fourth	Fifth	Sixth
B	−14.6	−1.1	1.3	1.7	1.5	1.3
C	−15.4	−1.9	0.9	1.5	1.4	1.3
N	−16.7	−2.8	0.6	1.4	1.5	1.5
O	−25.7	−4.5	0.4	1.8	2.0	1.9
F	−23.7	−4.8	0.0	1.5	1.9	1.8
Ne	−21.6	−4.5	0.2	1.8	2.3	2.3
Na	−58.9	−14.2	−3.7	0.0	1.4	1.9
Mg	−41.2	−11.3	−2.9	0.8	1.8	1.7
Al	−48.1	−11.6	−2.6	0.3	1.9	1.9
Si	−40.3	−10.9	−2.9	0.8	1.8	1.7
P	−34.9	−10.2	−2.8	1.1	1.9	2.2
S	−41.1	−11.0	−2.4	0.7	2.1	2.0
Cl	−33.0	−8.9	−1.4	1.3	2.0	2.2
Ar	−26.9	−7.1	−0.9	1.3	2.1	1.9