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Ab initio SCF-MO calculations on linear triatomic molecules

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BJWishartMScthesis1981_original_C.pdf (21.56Mb)
Date
1981
Author
Wishart, B.J.
Supervisor
Thomson, Colin
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Abstract
Single configuration wave functions for the ground states of several small species have been calculated – 0CC ³Σ⁻ ; CNC ²π ; NCO ²π ; NC ²Σ⁺ ; PC ²Σ⁺ ; OBO ²π Extended, Slater function basis sets were used in these calculations, allowing the wave functions so calculated to approach the Hartree-Fock limit. One-electron properties have been calculated for the species; and, where possible, compared with the experimental results. Conclusions are drawn that the near Hartree-Fock wave function gives good predictions of one-electron properties. These investigations were continued for species containing second-row atoms – SCC ³Σ⁻ ; PCC ²π ; SCN ²π ; PC ²Σ⁺ The single configuration approximation has been used in the calculation of wave functions for excited states of some of these species - OCC; HCC; HNC; NCO; CNC. Conclusions are drawn that the single configuration wave function is not an adequate model of excited states. For the ground state species, HBO, a configuration interaction investigation was undertaken.
Type
Thesis, MSc Master of Science
Collections
  • Chemistry Theses
URI
http://hdl.handle.net/10023/21927

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