-Contains of two fcc lattices, on displaced one quarter of volume diagonal compared to the first.
-3C-SiC nucleates in zincblende structure where the shifted fcc lattice sites are composed of carbon atoms.
+This structure is composed of two fcc lattices, which are displaced by one quarter of the volume diagonal.
+3C-SiC nucleates in zincblende structure, where the atoms of one fcc lattice are substituted by carbon atoms.