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Illustration of a system (blue), which possesses an inscribed insertion box (red), which in turn is divided into (right) unit cells, in which particles are positioned. The insertion boxes and unit cells are always described by parallelepipeds. Here, the unit cell possesses two particles in a body‐centered cubic symmetry. [Color figure can be viewed in the online issue, which is available at wileyonlinelibrary.com.]
