The two-configuration approximation for four-electron ions

New Developments in Molecular Orbital Theory

1951 • 5,347 citations

Atomic Shielding Constants

1930 • 2,758 citations

Self-Consistent Field Theory for Open Shells of Electronic Systems

1960 • 1,927 citations

Ground State of Two-Electron Atoms

1958 • 1,095 citations

�ber den Grundterm der Zweielektronenprobleme von H?, He, Li+, Be++ usw.

1930 • 777 citations

Natural Orbitals in the Quantum Theory of Two-Electron Systems

1956 • 648 citations

Analytical Self-Consistent Field Functions for the Atomic Configurations<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mrow><mml:msup><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mrow><mml:msup><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msup></…

1960 • 422 citations

Ground State of the Helium Atom

1957 • 364 citations

Electronic correlation energy in 3- and 4-electron atoms

1961 • 251 citations

Twenty-Parameter Eigenfunctions and Energy Values of the Ground States of He and He-Like Ions

1957 • 245 citations

Self-consistent field, including exchange and superposition of configurations, with some results for oxygen

1939 • 244 citations

Correlated Orbitals for the Ground State of Heliumlike Systems

1960 • 242 citations

Analytic Atomic Wave Functions

1930 • 230 citations

The Calculation of Atomic Structure

1958 • 205 citations

A Discussion of Analytic and Hartree-Fock Wave Functions for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mrow><mml:msup><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>Configurations from<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></…

1954 • 168 citations

Approximate Wave Functions for Atomic Be

1960 • 152 citations

Role of the Continuum in Superposition of Configurations

1955 • 140 citations

Ground State Energy of Two-Electron Atoms

1956 • 138 citations

Unrestricted Hartree-Fock Method: Electron Densities and Magnetic Form Factors for Spin Polarized<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Ni</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>

1960 • 128 citations

Energies of the Ground States of He,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Li</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>, and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn>6</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:…

1955 • 101 citations

Approximate Wave Functions for the Ground State of Helium

1958 • 79 citations

Correlation Energies of Some He- and Ne-Like Systems

1958 • 68 citations

Ground-State Energy of Two-Electron Atoms. Corrective Results

1958 • 64 citations

Shift of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>S</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>1</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math>State of Helium

1953 • 57 citations

Restricted and unrestricted hartree-fock calculations for atomic lithium

1960 • 51 citations

Radial Configurational Interaction in Helium and Similar Atomic Systems

1956 • 48 citations

Numerical Calculation of the Wave Functions and Energies of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mi /><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>S</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>1</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>2</mml:mn><mml:mi /><mml:mrow><mml:…

1958 • 46 citations

Lower Bound to the Ground-State Energy and Mass Polarization in Helium-Like Atoms

1956 • 34 citations