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Journal Articles

Electron-pair radial sum and difference density functions

Toshikatsu Koga, Masahiro Sekiya

J. Chem. Phys. 130, 184110 (2009)

https://doi.org/10.1063/1.3128742

Published: May 2009

View article titled, Electron-pair radial sum and difference density functions

Journal Articles

Spatial symmetry holes in many-electron atoms and molecules

Toshikatsu Koga, Masahiro Sekiya

J. Chem. Phys. 128, 174110 (2008)

https://doi.org/10.1063/1.2912191

Published: May 2008

View article titled, Spatial symmetry holes in many-electron atoms and molecules

Journal Articles

On the electron-electron counterbalance hole

Toshikatsu Koga, Masahiro Sekiya

J. Chem. Phys. 128, 084105 (2008)

https://doi.org/10.1063/1.2831514

Published: February 2008

View article titled, On the electron-electron counterbalance hole

Journal Articles

Bounds to electron-pair relative and center-of-mass radii in many-electron atoms

Toshikatsu Koga, Hisashi Matsuyama

J. Chem. Phys. 122, 024113 (2005)

https://doi.org/10.1063/1.1834501

Published: December 2004

View article titled, Bounds to electron-pair relative and center-of-mass radii in many-electron atoms

Journal Articles

Radial subshell splittings and double-zeta functions in many-electron atoms

Toshikatsu Koga, Hisashi Matsuyama

J. Chem. Phys. 121, 7708–7710 (2004)

https://doi.org/10.1063/1.1798974

Published: October 2004

View article titled, Radial subshell splittings and double-zeta functions in many-electron atoms

Journal Articles

Average electron radii in many-electron atoms

Toshikatsu Koga

J. Chem. Phys. 121, 3939–3940 (2004)

https://doi.org/10.1063/1.1775790

Published: August 2004

View article titled, Average electron radii in many-electron atoms

Journal Articles

Bounds to average interelectronic angles in Hartree-Fock theory of atoms

Toshikatsu Koga, Hisashi Matsuyama

J. Chem. Phys. 121, 2016–2019 (2004)

https://doi.org/10.1063/1.1767518

Published: August 2004

View article titled, Bounds to average interelectronic angles in Hartree-Fock theory of atoms

Journal Articles

Interelectronic angle densities of equivalent electrons in Hartree–Fock theory of atoms

Toshikatsu Koga, Hisashi Matsuyama

J. Chem. Phys. 120, 7831–7836 (2004)

https://doi.org/10.1063/1.1688751

Published: May 2004

View article titled, Interelectronic angle densities of equivalent electrons in Hartree–Fock theory of atoms

Journal Articles

Relativistic correlating basis sets for the sixth-period d-block atoms from Lu to Hg

You Osanai, Takeshi Noro, Eisaku Miyoshi, Masahiro Sekiya, Toshikatsu Koga

J. Chem. Phys. 120, 6408–6413 (2004)

https://doi.org/10.1063/1.1665395

Published: April 2004

View article titled, Relativistic correlating basis sets for the sixth-period <em>d</em>-block atoms from Lu to Hg

Journal Articles

Quality of contracted Gaussian-type function basis sets

Hiroshi Tatewaki, Toshikatsu Koga, Tsuyoshi Shimazaki, Shigeyoshi Yamamoto

J. Chem. Phys. 120, 5938–5945 (2004)

https://doi.org/10.1063/1.1650305

Published: April 2004

View article titled, Quality of contracted Gaussian-type function basis sets

Journal Articles

Interelectronic angles of group 14, 15, and 16 atoms in their low-lying multiplet states

Toshikatsu Koga

J. Chem. Phys. 119, 7145–7147 (2003)

https://doi.org/10.1063/1.1605937

Published: October 2003

View article titled, Interelectronic angles of group 14, 15, and 16 atoms in their low-lying multiplet states

Journal Articles

Relativistic correlating basis sets for the main group elements from Cs to Ra

Takeshi Noro, Masahiro Sekiya, You Osanai, Eisaku Miyoshi, Toshikatsu Koga

J. Chem. Phys. 119, 5142–5148 (2003)

https://doi.org/10.1063/1.1597651

Published: September 2003

View article titled, Relativistic correlating basis sets for the main group elements from Cs to Ra

Journal Articles

Relativistic Gaussian basis sets for molecular calculations: Tl–Lr

Toshikatsu Koga, Hiroshi Tatewaki, Osamu Matsuoka

J. Chem. Phys. 119, 1279–1280 (2003)

https://doi.org/10.1063/1.1570814

Published: July 2003

View article titled, Relativistic Gaussian basis sets for molecular calculations: Tl–Lr

Journal Articles

On the correlation between electronic and nuclear motions in atoms

Toshikatsu Koga, Hisashi Matsuyama

J. Chem. Phys. 118, 3935–3938 (2003)

https://doi.org/10.1063/1.1541624

Published: March 2003

View article titled, On the correlation between electronic and nuclear motions in atoms

Journal Articles

Interelectronic angle densities of atoms

Toshikatsu Koga

J. Chem. Phys. 117, 10493–10498 (2002)

https://doi.org/10.1063/1.1521433

Published: December 2002

View article titled, Interelectronic angle densities of atoms

Journal Articles

Statistical angular correlation coefficients of atomic Hartree–Fock orbitals

Toshikatsu Koga, Yoshihisa Kawata

J. Chem. Phys. 117, 9133–9137 (2002)

https://doi.org/10.1063/1.1516806

Published: November 2002

View article titled, Statistical angular correlation coefficients of atomic Hartree–Fock orbitals

Journal Articles

Relativistic Gaussian basis sets for molecular calculations: Cs–Hg

Toshikatsu Koga, Hiroshi Tatewaki, Osamu Matsuoka

J. Chem. Phys. 117, 7813–7814 (2002)

https://doi.org/10.1063/1.1508772

Published: October 2002

View article titled, Relativistic Gaussian basis sets for molecular calculations: Cs–Hg

Journal Articles

On the oscillator strength sums S(±1) of atoms and ions

Toshikatsu Koga, Hisashi Matsuyama

J. Chem. Phys. 117, 55–58 (2002)

https://doi.org/10.1063/1.1481758

Published: July 2002

View article titled, On the oscillator strength sums S(±1) of atoms and ions

Journal Articles

Relative sizes of atoms observed in electron momentum densities

Toshikatsu Koga

J. Chem. Phys. 116, 6910–6913 (2002)

https://doi.org/10.1063/1.1463445

Published: April 2002

View article titled, Relative sizes of atoms observed in electron momentum densities

Journal Articles

Correlated electron-pair properties of the Be atom in position and momentum spaces

Toshikatsu Koga

J. Chem. Phys. 116, 6614–6617 (2002)

https://doi.org/10.1063/1.1462614

Published: April 2002

View article titled, Correlated electron-pair properties of the Be atom in position and momentum spaces

NARROW

Topics

Electron-pair radial sum and difference density functions

Spatial symmetry holes in many-electron atoms and molecules

On the electron-electron counterbalance hole

Bounds to electron-pair relative and center-of-mass radii in many-electron atoms

Radial subshell splittings and double-zeta functions in many-electron atoms

Average electron radii in many-electron atoms

Bounds to average interelectronic angles in Hartree-Fock theory of atoms

Interelectronic angle densities of equivalent electrons in Hartree–Fock theory of atoms

Relativistic correlating basis sets for the sixth-period d-block atoms from Lu to Hg

Quality of contracted Gaussian-type function basis sets

Interelectronic angles of group 14, 15, and 16 atoms in their low-lying multiplet states

Relativistic correlating basis sets for the main group elements from Cs to Ra

Relativistic Gaussian basis sets for molecular calculations: Tl–Lr

On the correlation between electronic and nuclear motions in atoms

Interelectronic angle densities of atoms

Statistical angular correlation coefficients of atomic Hartree–Fock orbitals

Relativistic Gaussian basis sets for molecular calculations: Cs–Hg

On the oscillator strength sums S(±1) of atoms and ions

Relative sizes of atoms observed in electron momentum densities

Correlated electron-pair properties of the Be atom in position and momentum spaces

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