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- Tina Erica Odaka, Vladlen V. Melnikov, Per Jensen, Tsuneo Hirano, Bruno Lang, Peter Langer
- The Journal of chemical physics
- 2007

The authors report here the implementation of a newly developed, highly efficient matrix diagonalization routine in the DR program [T. E. Odaka et al., J. Mol. Struct. 795, 14 (2006)]. The DR program solves the rovibronic Schrodinger equation for a triatomic molecule with a double Renner effect, i.e., with two accessible linear arrangements of the nuclei at… (More)

- Vladlen V. Melnikov, Tina Erica Odaka, Per Jensen, Tsuneo Hirano
- The Journal of chemical physics
- 2008

A theoretical investigation of the X(2)A" and A(2)A' electronic states of the HO(2) radical is reported. Both electronic states have nonlinear equilibrium geometries and they correlate with a (2)Pi state at linear geometries so that they exhibit the Renner effect. In highly excited bending states, there is tunneling between two equivalent minima (with… (More)

- Per Jensen, Tina Erica Odaka, Wolfgang Kraemer, Tsuneo Hirano, Preston Bunker
- Spectrochimica acta. Part A, Molecular and…
- 2002

We have developed a computational procedure, based on the variational method, for the calculation of the rovibronic energies of a triatomic molecule in an electronic state that become degenerate at the linear nuclear configuration. In such an electronic state the coupling caused by the electronic orbital angular momentum is very significant and it is called… (More)

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