Conventional cell

From Online Dictionary of Crystallography

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Maille conventionnelle (Fr). Cella convenzionale (It)

For each lattice, the conventional cell is the cell obeying the following conditions:

  • its basis vectors define a right-handed axial setting;
  • its edges are along symmetry directions of the lattice;
  • it is the smallest cell compatible with the above condition.

Crystals having the same type of conventional cell belong to the same crystal family.

See also

Section 2.1.3 in of International Tables of Crystallography, Volume A