The unit cell of diamond is made up of:

Options

A. 8 carbon atoms, 4 atoms ccp and two atoms occuypy half of octahedral voids
B. 8 carbon atom, 4 atoms constitute ccp and 4 atoms occupy all the octahedral voids
C. 8 carbon atoms, 4 atoms form fcc lattice and 4 atoms occupy half of the tetrahedral voids altenately
D. 12 carbon atoms. 4 atoms form fcc lattice and 8 atoms occupy all the tetrahedral holes

Answer

C