Titlebook: Excited States in Quantum Chemistry; Theoretical and Expe Cleanthes A. Nicolaides,Donald R. Beck Book 1979 D. Reidel Publishing Company, Do

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Excitation Energies and Transition Moments from the Polarization Propagator,tor. This term is here taken in a general sense to encompass a set of two-time Green’s functions, such as used by Yngve ?hrn and the present author in our textbook [1], There will not be time to present the arguments leading to the appearance of the polarization propagator as the natural quantity fo

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Accuracy, Timing and General Applicability of the MRD-CI Method,lectronic states of atoms and molecules. The theory behind this approach is very straightforward but in applying it to practical problems of chemical interest certain computational problems arise, particularly if it is desired to extend the calculations to the limit of a full CI in a large AO basis.

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Calculation of Vibrational Wavefunctions and Energies Using MRD-CI Techniques,ithout any approximation it would still not be sufficient to explain many types of molecular structure phenomena observed experimentally. In the spectra of molecular systems, for example, the intensity associated with a given electronic transition is often spread over a wide range of wavelength and

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