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Structure of Co-BTTri, with the truncated octahedral cages highlighted in light purple. Expanded view: Local coordination environment of the framework cobalt(II) centers. Each metal is ligated by four equatorial triazolates and one axial chloride, while the sixth coordination site is occupied by a solvent molecule that can be removed by pulling vacuum at 423 K. Purple, gray, blue, and green spheres represent Co, C, N, and Cl atoms, respectively; H atoms are omitted for clarity.
