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- W2015814376 abstract "A configuration‐interaction calculation on the ground state of H3+ has been done using Slater‐type orbitals of the form 1s, 2s, 2px, 2py, 2pz to form the basis set. The calculation was effected by approximating the exact wavefunction for the system by a linear combination of configurations, each of which is a properly antisymmetrized function constructed from the basis orbitals, and by applying the variation theorem to the approximate wavefunction.The most stable nuclear geometry for H3+ is an equilateral triangle, since a plot of total energy versus central bond angle shows a deep minimum at a bond angle of 60 deg.The best energy that was obtained for the equilateral triangle was —1.33264 hartree at R=1.6575 bohr, using 12 basis orbitals and 12 symmetry‐adapted configurations. The experimental energy for H3+ is not known, but is estimated to be —1.35 hartree from these calculations.The first excited singlet state, which is a doubly degenerate 1E′ state, has been examined at many values of R for an equilateral triangle with three basis orbitals, and has been found to give a typical repulsive energy curve.The fundamental vibrational frequencies for the ground state have been calculated, and it has been found that the symmetric stretch frequency is 3354±60 cm—1, and the doubly degenerate bending frequency is 2790±100 cm—1." @default.
- W2015814376 created "2016-06-24" @default.
- W2015814376 creator A5049215519 @default.
- W2015814376 date "1964-08-15" @default.
- W2015814376 modified "2023-09-23" @default.
- W2015814376 title "Configuration‐Interaction Study of the Ground State of the H<sub>3</sub><sup>+</sup> Molecule" @default.
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- W2015814376 doi "https://doi.org/10.1063/1.1726039" @default.
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