7 crystal systems,....... cubic, tetragonal, orthorhombic,rhombodedral, hexagonal, monoclinic, and triclinic. withvariations there should be 7X4= 28, however due to duplicates thereare only 14. for each of the variations listed below, whichof the 14 possible unit cells is it equivalent too?
1. face-centered tetragonal
2.face-centered monoclinic