Body Centred Cubic
About 15% of elements crystallize with a body centred cubic structure.
e.g. Lithium, Sodium, Potassium, Iron, Tungsten ...
| Volume of conventional cell | a3 |
| Lattice points per cell | 2 |
| Volume of primitive cell | 1/2a3 |
| Lattice points per unit volume | 2/a3 |
| Number of nearest neighbours | 8 |
| Nearest neighbour distance | 31/2a/2 |
| Number of second neighbours | 6 |
| Second neighbour distance | a |
| Packing fraction | 1/8π31/2 |
See also: Crystal, Face Centred Cubic, Hexagonal Close Packed, Simple Cubic, Unit Cell.


