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Systematic Absences of the magnetic space group Pmn21 (#31.123) in the setting (b, -3a, c; -1/4, 1/4, 0) of the parent space group Pnma (No. 62)


Values of h, k, l:  h integer, k integer, l integer

Warning: h, k, l are referred to the parent-like setting

Systematic absences for special reflections:


Diffraction vector type:   (0 0 l)     ->      Systematic absence:    l = 2n

For  l = 1 :      I /= 0       F = (Fx,0,0)
For  l = 2 :      I = 0       F = (0,0,0)

[Show form of structure factor for every type of reflection]


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