Energies of spherical atoms from Hydrogen through Argon using the PBE functional

 

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Spherical Atom: H GGA: PBE En: -0.499921 Hartree
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Spherical Atom: He GGA: PBE En: -2.098393 Hartree
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Spherical Atom: Li GGA: PBE En: -7.462005 Hartree
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Spherical Atom: Be GGA: PBE En: -14.629564 Hartree
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Spherical Atom: B GGA: PBE En: -24.605147 Hartree
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Spherical Atom: C GGA: PBE En: -37.793356 Hartree
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Spherical Atom: N GGA: PBE En: -54.535482 Hartree
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Spherical Atom: O GGA: PBE En: -75.000542 Hartree
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Spherical Atom: F GGA: PBE En: -99.665282 Hartree
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Spherical Atom: Ne GGA: PBE En: -128.866000 Hartree
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Spherical Atom: Na GGA: PBE En: -162.170519 Hartree
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Spherical Atom: Mg GGA: PBE En: -199.952976 Hartree
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Spherical Atom: Al GGA: PBE En: -242.229696 Hartree
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Spherical Atom: Si GGA: PBE En: -289.229736 Hartree
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Spherical Atom: P GGA: PBE En: -341.114246 Hartree
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Spherical Atom: S GGA: PBE En: -397.944283 Hartree
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Spherical Atom: Cl GGA: PBE En: -459.968862 Hartree
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Spherical Atom: Ar GGA: PBE En: -527.344377 Hartree