TABLE III: Energy components as well orbital energies for several atoms using Cartesian grid. All-electron calculations with LDA XC functionals using STO-3G basis set are given along with those obtained from reference GAMESS program. See text for details. Quantity This work Ref. [34] This work Ref. [34] This work Ref. [34] Li Be B 〈 T 〉 7.38213 7.38212 14.84418 14.84419 25.30018 25.30018 〈 V $^{ne}$〉 − 17.11549 − 17.11549 − 34.07189 − 34.07189 − 58.14361 − 58.14361 〈 E$_{h}$ 〉 4.24103 7.64382 12.66071 〈 E$_{x}$ 〉 − 1.57407 − 2.40486 − 3.47888 〈 E$_{c}$ 〉 − 0.15489 − 0.23242 − 0.30248 〈 V $^{ee}$〉 2.51207 2.51207 5.00654 5.00656 8.87935 8.87936 〈 V 〉 − 14.60343 − 14.60342 − 29.06535 − 29.06533 − 49.26426 − 49.26425 〈 E 〉 − 7.22130 − 7.22130 − 14.22116 − 14.22114 − 23.96408 − 23.96406 N 2.99999 2.99999 3.99999 3.99999 4.99999 4.99999 ϵ α 1 s − 1.7289 − 1.7289 − 3.5755 − 3.5754 − 6.0874 − 6.0873 ϵ α 2 s − 0.0815 − 0.0815 − 0.1288 − 0.1288 − 0.2053 − 0.2053 ϵ α 2 p$_{x}$ 0.0224 0.0224 ϵ β 1 s − 1.7139 − 1.7139 − 3.5755 − 3.5754 − 6.0722 − 6.0721 ϵ β 2 s − 0.1288 − 0.1288 − 0.1578 − 0.1578 C N O 〈 T 〉 37.92456 37.92456 53.66407 53.66407 73.44497 73.44497 〈 V $^{ne}$〉 − 88.64983 − 88.64983 − 127.32649 − 127.32649 − 176.32432 − 176.32432 〈 E$_{h}$ 〉 18.78009 26.67740 37.46227 〈 E$_{x}$ 〉 − 4.64014 − 5.98724 − 7.49030 〈 E$_{c}$ 〉 − 0.36805 − 0.43478 − 0.54395 〈 V $^{ee}$〉 13.77190 20.25538 20.25536 29.42801 29.42799 〈 V 〉 − 74.87793 − 107.07111 − 107.07113 − 146.89631 − 146.89634 〈 E 〉 − 36.95337 − 36.95339 − 53.40704 − 53.40701 − 73.45134 − 73.45137 N 5.99999 5.99999 6.99999 6.99999 7.99999 7.99999 ϵ α 1 s − 9.4882 − 9.4879 − 13.6312 − 13.6311 − 18.3331 − 18.3330 ϵ α 2 s − 0.3970 − 0.3970 − 0.6152 − 0.6153 − 0.7538 − 0.7537 ϵ α 2 p$_{x}$ − 0.0675 − 0.0676 − 0.1671 − 0.1672 − 0.1941 − 0.1942 ϵ α 2 p$_{y}$ − 0.0648 − 0.0649 − 0.1671 − 0.1672 − 0.1941 − 0.1942 ϵ α 2 p$_{z}$ − 0.1671 − 0.1672 − 0.1085 − 0.1084 ϵ β 1 s − 9.4573 − 9.4572 − 13.5837 − 13.5836 − 18.2972 − 18.2971 ϵ β 2 s − 0.2923 − 0.2924 − 0.4449 − 0.4450 − 0.6301 − 0.6302 ϵ β 2 p$_{x}$ − 0.0378 − 0.0379 pseudopotential case before); present results practically coincide with the reference values. It is well-known that STO-3G basis set employed here is not a very accurate one, and used here only for the demonstration purposes. Certainly better basis sets needs to be used for realistic calculations. These, as well as the molecular case, may be considered in future 11