NaCl Structure

		The NaCl Unit Cell
		An Alternate Description of NaCl
The sodium chloride structure can also be described using an alternate unit cell in a face centered cubic lattice. Show Lattice Points Sodium ions are placed on the lattice points. Show Sodium Ions Chloride ions are placed at the midpoint of each edge and in the center of the alternate cell. Show Chloride Ions The relationship of the two cells is described in the next two pages. Click the links on the right to illustrate these topics. Reset		Chloride ions are placed at the center of the cell and in the center of each edge. An alternate unit cell is sometimes used to describe the NaCl structure. In the alternate cell, the Na⁺ ions are placed on the corners and in the center of each face.
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