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The
Orthorhombic Bravais lattice has four unit cells. The primitive cell (P)
has fractional lattice points at each corner for a total of one lattice
point per cell. The base centered unit cell (C) has fractional lattice
points at the cell corners and in the face-centered location of the basal
planes for a total of two lattice points per cell. The face-centered unit
cell (F) has partial lattice points at the cell corners and at the center
of each face for a total of four lattice points per cell, and the body-centered
orthorhombic cell (I) has partial lattice points at the cell corners and
a lattice point in the body center of the cell for a total of two lattice
points per cell.
For
each of these cells: a , b, c, have distinct values and
a = b = g =
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