Chemical Structure from Scientific Research

Centrosymmetric molecular structures in the solid state of 4 -Dipp as determined by X-ray crystallography. The thermal ellipsoids are set at the 30% level. Hydrogen atoms, second disorder component and solvate molecule omitted and selected fragments are shown in the wireframe format for clarity. Selected bond lengths for 4 -Dipp are: Ca–F 2.151, K···F 2.560(1) and 2.634(1) A

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