Detailed example of the identification and crystallographic analysis of a pseudo-merohedrally twinned crystal

Guzei, I.; Herbst-Irmer, R.; Munyaneza, A.; Darkwa, J.

doi:10.1107/S0108768112002728

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

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Figure 3
Crystal twinning in the structure of (1). Black – monoclinic C-centered unit cell (option F); blue – the unit cell related to it by 180° rotation about c*; the red dotted line corresponds to the apparent orthorhombic unit cell (option A). The monoclinic b axis is perpendicular to the ac plane. Due to the nearly exact orthorhombic metric symmetry the overlap of the two reciprocal lattices is exact within experimental error.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 68| Part 2| March 2012| Pages 150-157

doi:10.1107/S0108768112002728

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