Figure 8
Graph of the maximal subgroups of Pnma.1′ for the propagation vector k = (0, 0, 0). Restricting the analysis to those space groups allowing a non-zero moment on Wyckoff position 4b (Cr) further reduces the possibilities to Pn′ma′, Pnm′a′, Pn′m′a and Pnma. |