Crystal Structure of Niobium Carbide

Niobium carbide has a cubic-F lattice with a motif of Nb at 0,0,0, and carbon at 0,0,0.5. The carbide is not strictly stoichiometric but is represented here as such, with a lattice parameter of 4.4691 nm.

NbC_1
Crystal structure of NbC in perspective.
NbC_110
Projection of the crystal structure of NbC along a 110 direction.
NbC_111
Projection of the crystal structure of NbC along a 111 type direction.
NbC_cube
Projection of the crystal structure of NbC along a cube edge.