Explain the unit cells must have the same types of atoms

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It is stated that more than one unit cell can be chosen for a structure. If they represent the same structure, however, the unit cells must have the same types of atoms (with the same stoichiometic relationships between them, i.e. the same formula) and the same coordination geometry around each type of atom. The following are two representations that have been used for the perovskite (a mineral) structure. Do they represent identical sturctures? Explain why or why not.

Reference no: EM13497490

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