Line Plot from Scientific Research

Top: chemical structure of equilateral ligand L111, which upon treatment with [Fe(H2O)6](BF4)2gives regular tetrahedron T111([Fe4(L111)4](BF4)8) The representation of T111is from the X-ray crystal structure, with solubilizing chains (where they could be modeled) curtailed to a single carbon atom. Any counterions and all hydrogen atoms are omitted for clarity. Colors: carbon grey forArm 1, green for core, nitrogen light blue, iron orange.

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