Coexistence of Two Different Distorted Octahedral [MnF₆ ]^3- Sites in K₃ [MnF₆ ]: Manifestation in Spectroscopy and Magnetism.

[11] While the two trans Mn(1)−F bond lengths in axial positions, R medium =1.940(1) Å, exceed by only 0.008 Å the average octahedral Mn−F distance of 1.932 Å, the equatorial ones, R short =1.856 Å and R long =2.018 Å, display quite significant rhombic “splitting”, −0.077 and 0.067 Å, respectively, away from the average octahedral distance.

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