Pseudo Jan-Teller effect is discussed as the one of the most factors in structural instability in OX2(X=Cl,Br,I) molecules. ِ Distortion from linear geometry is known as Pseudo-Jahn-Teller effect. This effect convert the high-symmetry structure to the low-symmetry. Effe More
Pseudo Jan-Teller effect is discussed as the one of the most factors in structural instability in OX2(X=Cl,Br,I) molecules. ِ Distortion from linear geometry is known as Pseudo-Jahn-Teller effect. This effect convert the high-symmetry structure to the low-symmetry. Effective parameters in vibrational constant between [HOMO(-1) Πu to LUMO(Ʃg)] is investigated in linear geometry (D∞h) calculations in LC-wPBE/Def2-TZVPP، B3LYP/Def2-TZVPP and MP2/Def2-TZVPP level of theory generates structural parameters , corrected electronic energy, electronegativity and hardness.Mutual effect of [Lp(3)X to σ*(1)O-X] gives Stability Energy (E(2) ),vibrational coupling costant(Fij) and energy gap between above mentiond orbitals (Δ) .The interactions and effectiveness of these parameters with the structural parameters of the desired compounds were the focus of the study.
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