Identifying and characterizing translationally modulated molecular crystal structures

Brock, C.P.; Taylor, R.

doi:10.1107/S2052520620007891

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 2
Two views of the structure MUKWIA (P2₁/c, Z′ = 6; Wrona-Piotrowicz et al., 2015

). The disorder, which involves only small atomic displacements in three of the molecules, is not shown. (a) A view along [320]. (b) A view of a layer (001) showing that the [320]/6 and $[[3{\bar 2}0]/6]$ pseudotranslations are related by addition of translations along b but are not related by any other symmetry operation. The orientations of the molecules relative to the two directions are not the same. Note also that the pseudotranslation [320]/6 can be viewed as the combination of the pseudotranslations [100]/2 and [010]/3, and that [001] is the only direction in which the related molecules are in direct contact.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 76| Part 4| August 2020| Pages 630-642

https://doi.org/10.1107/S2052520620007891

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