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The (22-1) structure

The (22-1) structure can be understood as a clathrate structure. The structural data of the (22-1) structure at several radius ratios: 0.200, 0.203, 0.206, 0.209, 0.212, 0.214, 0.217, 0.220, and 0.223, are downloadable here. The root directory contains several directories, which correspond to the several radius ratios. The structural data files are named by their packing fractions.