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SPIN ORBIT COUPLING JAHN-TELLER (SOCJT)

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/20064

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Title: SPIN ORBIT COUPLING JAHN-TELLER (SOCJT)
Creators: Barckholtz, Timothy A.; Applegate, Brian E.; Miller, Terry A.
Issue Date: 2001
Abstract: SOCJT is a PC based program for determining the lowest energy eigenvalues of the Jahn-Teller Hamiltonian including linear and quadratic Jahn-Teller and spin-orbit terms. Calculations may be run for any molecule with non-cubic symmetry, having n arbitrary Jahn-Teller active modes, and arbitrary integer or half-integer spin state. In addition to calculating the lowest energy eigenvalues, SOCJT also computes several properties derived from the resulting eigenvectors, including the Coriolis coupling constants and the relative vibronic transition intensities to another electronic state. For the purpose of fitting experimental spectra, a non-linear least squares routine is included which allows for the fitting of the spin orbit coupling constant, $a\zeta$, the n linear Jahn-Teller coupling constants $D_{i}$, the n quadratic Jahn-Teller coupling constants $K_{i}$, the n unperturbed harmonic vibrational frequencies, $\omega_{e,i}$, and the n unperturbed anharmonic corrections $\omega_{e}x_{e,i}$, to experimentally determined line positions. SOCJT has been used successfully to fit the spectra of several Jahn-Teller active molecules, including $CH_{3}O$, $CF_{3}S$, $C_{5}H_{5}$, and $C_{6}H^{+}_{6}$.
URI: http://hdl.handle.net/1811/20064
Other Identifiers: 2001-MG-10
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