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Figure 6
3D-printed unit cell and asymmetric units of space group P21/c. (a) Schematic representation of space group P21/c; (b) 3D-printed P21/c unit cell assembled using two full unit cells and eight quarters of a unit cell; (c) two identical asymmetric units related by a twofold screw axis; (d) two enantiomorphic unit cells related by a c glide plane; (e) two enantiomorphic unit cells related by a centre of symmetry.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 53| Part 6| December 2020| Pages 1583-1592
https://doi.org/10.1107/S1600576720011772
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