International
Tables for
Crystallography
Volume A
Space-group symmetry
Edited by M. I. Aroyo

International Tables for Crystallography (2015). Vol. A, ch. 1.5, p. 82

Figure 1.5.1.8 

H. Wondratscheka and M. I. Aroyob
[Figure 1.5.1.8]
Figure 1.5.1.8

Hexagonal lattice projected along [[00\bar{1}]]. Primitive hexagonal cell P with a, b, c and the three triple hexagonal cells H with [a_{1},b_{1},c]; [a_{2}, b_{2}, c]; [a_{3}, b_{3}, c]. The origin for all cells is the same.