## Accurate properties of small atoms and molecules |

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### Contents

DYNAMIC POLARIZABILITIES FOR EXCITED STATES | 55 |

IMAGINARYFREQUENCY POLARIZABILITIES | 82 |

Introduction | 122 |

3 other sections not shown

### Common terms and phrases

accurate Algorithm approximations assigned the value atomic units basis functions basis set bounds to dynamic C. L. Pekeris calculations Calling Programs Chem Common Blocks comparison computed continued fraction convergent corresponding Dalgarno dipole dipole polarizability Direct Estimate dispersion profiles do-loop Dynamic polarizability eigenvalues employed ERROR is called error message excitation frequency excitation threshold expectation values experimental factors formula frequencies in a03 Function subprogram Gaussian quadrature Hartree-Fock helium Hylleraas imaginary frequencies input wavefunction integrand Internal Data internuclear lower bounds M. T. Anderson message is output Neumann expansion nodes and weights nonlinear parameters number of terms obtained output and ERROR P. W. Langhoff photoionization Phys powers of r12 Prager-Hirschfelder primitive integrals Proc pseudospectrum Rebane recurrence coefficients rigorous bounds rigorous upper second excitation energy specifies the length spectral moments Statement Functions Stieltjes Subroutine sum rules Tchebycheff results theoretical two-electron atoms upper and lower upper bound variation-perturbation wavefunction Weinhold XIINT