CHEMISTRY TEXTBOOK

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The names of fourteen Bravais lattices (unit cells) for each of the seven crystal system
are shown below.

Crystal system Bravais lattices

Name unit cell structure

1. Cubic i. simple or primitive
   ii. body-centred
   iii. face-centred

i. ii. iii.

2. Orthorhombic i. simple or primitive
   ii. body-centred
   iii. face-centred
   iv. base-centred

i. ii. iii. iv.

3. Tetragonal i. simple or primitive
   ii. body-centred

i. ii.

4. Monoclinic i. simple or primitive
   ii. base centred

i. ii.

5. Rhombohedral i. simple or primitive


6. Triclinic i. simple or primitive


7. Hexagonal i. simple or primitive