An application of Hirschfelder-Silbey perturbation theory to the H2 plus ion
Hirschfelder-Silbey perturbation theory applied to positive hydrogen ion
HYDROGEN ION↗
Engineering topics
Hirschfelder, J. O.
Publications and source records attributed to Hirschfelder, J. O..
Approximate perturbation treatment of H sub 2 super plus.
Perturbation treatment of diatomic hydrogen ion, improving polarized hydrogen-atom treatment by using zero-order wave function
HYDROGEN ION↗
Bipolar angle averages and two-center, two- particle integrals involving r sub 12.
Bipolar angle averages and two-center two- particle integrals involving separation between two particles
STATISTICAL MECHANICS↗
Relativistic intermolecular forces, moderately long range.
Moderately long-range relativistic intermolecular forces, obtaining interaction energies
ANGULAR MOMENTUM↗
Long-range /retarded/ intermolecular forces.
Retarded intermolecular forces, discussing Casimir and Polder retarded dipole-dipole energy of interaction between two ground state atoms in terms of trigonometric integrals
ENERGY EXCHANGE↗
A forecast for theoretical chemistry
Application of quantum mechanics in theoretical chemistry
MOLECULAR STRUCTURE↗
Improvement of uncoupled Hartree-Fock expectation values for physical properties.
Improving uncoupled Hartree-Fock expectation values for atomic and molecular properties
HARTREE-FOCK CALCULATION↗
Functional representation of the wave operator.
Simplification of algebraic formalism of quantum- mechanical perturbation theory
PERTURBATION THEORY↗
Applicability of perturbation theory to molecular problems.
Perturbation theory in molecular quantum physics using variational principles
PERTURBATION THEORY↗
Slater screening constants in atomic and molecular orbitals.
Relation between Slater screening constants and interchangeability of atomic orbitals
QUANTUM MECHANICS↗
Direct calculation of contributions to the second-order energy of helium.
First order wave function of helium due to one- and two-electron excitation determined by solving differential equations, noting contribution to second order energy
WAVE FUNCTION↗
Approximation of expectation values.
Approximation of expectation values for nonenergy properties via perturbation theory, obtaining values for molecular polarizability
POLARIZATION CHARACTERISTICS↗
Applicability of perturbation theory to molecular problems
Perturbation theory used in quantum mechanics to determine molecular energy and properties
PERTURBATION THEORY↗
The Cusp Conditions for Molecular Wave Functions
Cusp conditions to describe behavior of wave function at singularities of Coulomb potential corresponding to coalescence of two or more particles - diatomic molecules
COULOMB POTENTIAL↗
Improvement of uncoupled Hartree-Fock expectation values for physical properties
Hartree-Fock calculation method as zero-order approximation for determining atomic and molecular second-order properties
PHYSICAL PROPERTY↗
Perturbation treatment of the ground state of h sub 2 super plus.
Rayleigh-Schroedinger perturbation calculations for ground state of diatomic hydrogen molecular ion
GROUND STATE↗
Perturbation treatment of the ground state of he h super plus super plus.
Rayleigh-Schroedinger perturbation calculations for ground state of one-electron helium-hydrogen molecular ion
MOLECULAR ION↗
Guillemin-Zener energy of H sub 2 plus.
Guillemin-Zener energy of ionized hydrogen molecule
WAVE FUNCTION↗