A new electron diffraction approach for structure refinement applied to Ca3Mn2O7

Beanland, R.; Smith, K.; Vaněk, P.; Zhang, H.; Hubert, A.; Evans, K.; Römer, R.A.; Kamba, S.

doi:10.1107/S2053273321001546

Acta Crystallographica Section A
Acta Crystallographica
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Figure 8
Comparison of experimental D-LACBED patterns (left) and best-fit simulated LACBED patterns (right) at a range of temperatures. The $[\bar{2}22]$ and $[\bar{1}17]$ Bijvoet pairs are strongly asymmetric at RT due to the presence of both X₂⁺ and $[X_{3}^{-}]$ distortions (see Fig. 1

). Mirror symmetry is present at 200°C and higher.

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ISSN: 2053-2733

Volume 77| Part 3| May 2021| Pages 196-207

https://doi.org/10.1107/S2053273321001546

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