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Mixed basis functions in molecular quantum mechanics

III. The linear symmetrie H3 molecule

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Abstract

A series of calculations have been carried out for the linear symmetric H3 molecule using configuration interaction wavefunctions constructed from a mixed set of 1s Slater and floating spherical Gaussian functions. The results, although they do not surpass the best CI results reported in the literature, are sufficiently good to encourage further work along these lines.

Zusammenfassung

Es wurde eine Reihe von Rechnungen für das lineare, symmetrische H3-Molekül durchgeführt, bei denen Wellenfunktionen mit Konfigurations-Wechselwirkung verwendet werden, die aus einem gemischten Satz von 1s Slater- und “floating” sphärischen Gauß-Funktionen konstruiert wurden. Obwohl die Resultate die besten CI Ergebnisse, über die in der Literatur berichtet wird, nicht übertreffen, sind sie so gut, daß sie zu weiterer Arbeit nach dieser Methode ermutigen.

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Bacskay, G.B., Linnett, J.W. Mixed basis functions in molecular quantum mechanics. Theoret. Chim. Acta 26, 23–32 (1972). https://doi.org/10.1007/BF00527650

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