Abstract: Magnetic, structural and computational data of four complex salts with the same mononuclear high spin octahedral Mn(III) complex cation are reported. The manifestation of Jahn-Teller-like distortions in the Mn(III) cation is dependent on the nature of the charge-balancing anion, with small anions yielding a planar elongation and large anions freezing out a preferential axial elongation along one of the amine-Mn-imine directions within that same plane. Modulation of the lattice by changing the charge balancing anion results in mixing of the orbital symmetry due to vibrational perturbation.

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