Convergent-beam X-ray crystallography

Li, C.; Zakharova, M.; Prasciolu, M.; Wong, J.C.; Fleckenstein, H.; Ivanov, N.; Zhang, W.; Butola, M.; Dresselhaus, J.L.; Aquino, I.D.G.; Egorov, D.; Middendorf, P.; Henkel, A.; Klopprogge, B.; Klemeyer, L.; Beck, T.; Yefanov, O.; Barthelmess, M.; Sprenger, J.; Oberthuer, D.; Bajt, S.; Chapman, H.N.

doi:10.1107/S1600576726005236

Journal of Applied Crystallography Journal of Applied
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Figure 8
Crystal and molecular structure of the vitamin B₁₂ crystal. (a) Rotation topograph of the 412 reflection of the vitamin B₁₂ crystal used in Fig. 2

, reproduced from Chapman et al. (2025

), under the terms of a CC4 license. Rendering of the crystal volume $[S({\bf x})]$ obtained from all topographs. (c) Histograms of relative errors $[\sigma(\bar{I})/\bar{I}]$ of reflections obtained from the full crystal, the top and bottom halves, and from the collimated beam. (d) Structure and σ-weighted $[2F_{{\rm o}}-F_{{\rm c}}]$ electron-density map (mesh) of vitamin B₁₂ obtained from the entire crystal volume. (e) Map of the electron density in a slice through the corrin ring of vitamin B₁₂.

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Volume 59| Part 4| August 2026| Pages 1200-1218

https://doi.org/10.1107/S1600576726005236

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