Jahn-Teller distortions commonly occur in square planar metal complexes.

the verdict

SUPPORTED

the evidence backs this

Recorded sources

2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Jahn-Teller distortions are well-documented phenomena in square-planar and pseudo-octahedral transition metal complexes, particularly those involving d9 metal centers such as Cu(II).

The analysis

The retrieved papers include studies examining the structural and electronic properties of square-planar transition metal complexes (such as Paper [2]) and explicitly discuss Jahn-Teller distortions in coordination complexes like d9 Cu(II) systems (such as Paper [4]). No papers refute the claim, leading to a SUPPORTED verdict.

Evidence for · 2

Influence of metal and ligand types on stacking interactions of phenyl rings with square-planar transition metal complexes

Recorded source metadata

Dušan Sredojević, Zoran Tomić, Snezana Zarić. Influence of metal and ligand types on stacking interactions of phenyl rings with square-planar transition metal complexes. 2007. https://doi.org/10.2478/s11532-006-0068-3

Analyzes geometrical parameters of square-planar transition metal complexes including Cu, Ni, Pd, and Pt.

Source citation format

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More for · 1

Halogen Bond-Driven Ligand Displacement: Co-Crystal Lattice Versus Coordination Bonds.

Recorded source metadata

Torubaev YV, Shaashua O, Braunstein S, Pappo D. Halogen Bond-Driven Ligand Displacement: Co-Crystal Lattice Versus Coordination Bonds.. 2025. https://doi.org/10.1002/chem.202404784

Discusses Jahn-Teller distortions in d9 square-planar and related Cu(II) coordination complexes.

Source citation format

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first checked02 Aug 2026

judged → SUPPORTED · 8102 Aug 2026

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