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Université de Fribourg

Intrinsic distortion path in the analysis of the Jahn–Teller effect

Zlatar, Matija ; Gruden-Pavlović, Maja ; Schläpfer, Carl-Wilhelm ; Daul, Claude A

In: Journal of Molecular Structure: THEOCHEM, 2010, vol. 954, p. 86-93

The multideterminental-DFT approach was performed in order to calculate the Jahn–Teller (JT) parameters for the JT active molecules. Within the harmonic approximation the JT distortion can be analysed as a linear combination of all totally symmetric normal modes in any of the low symmetry minimum energy conformation, which allows to calculate the Intrinsic Distortion Path (IDP), exactly from...

Université de Fribourg

DFT Study of the Jahn-Teller Effect in Cu(II) Chelate Complexes

Gruden-Pavlović, Maja ; Zlatar, Matija ; Schläpfer, Carl-Wilhelm ; Daul, Claude A.

In: Journal of Molecular Structure: THEOCHEM, 2010, p. -

Density Functional Theory (DFT) in conjuction with the Intrinsic Distortion Path (IDP) is employed to study the Jahn-Teller (JT) effect in all four diastereoisomers of tris(ethylenediamine)copper(II) ([Cu(en)₃]²⁺) and tris(ethyleneglycol)copper(II) ([Cu(eg)₃]²⁺) complexes. As a consequence of the JT effect all the isomers tetragonally elongate to the C₂ configurations. Although there...