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

International Tables for Crystallography (2016). Vol. A, ch. 1.6, p. 113

Table 1.6.3.3 

U. Shmuelia

Table 1.6.3.3| top | pdf |
Effect of some screw rotations on conditions for possible reflections

Screw rotation[{\bi w}^{T}]hConditions for possible reflections
[2_{1}\parallel [100]] (1/2, y, z) (h00) h00: [h=2n]
[2_{1}\parallel [010]] (x, 1/2, z) (0k0) 0k0: [k=2n]
[2_{1}\parallel [001]] (x, y, 1/2) (00l) 00l: [l=2n]
[2_{1}\parallel [110]] (1/2, 1/2, z) (hh0) None
[3_{1}\parallel [001]] (x, y, 1/3) (00l) 00l: [l=3n]
[3_{1}\parallel [111]] (1/3, 1/3, 1/3) (hhh) None
[4_{1}\parallel [001]] (x, y, 1/4) (00l) 00l: [l=4n]
[6_{1}\parallel [001]] (x, y, 1/6) (00l) 00l: [l=6n]