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Figure 1
A comparison of the PDFs calculated from the correct structure of polymorph IV of barbituric acid (blue) and a structural model that only differs from the correct one by 0.5 Å in the length of the lattice parameter b (red). The difference curve is shown in green.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 54| Part 2| April 2021| Pages 612-623
https://doi.org/10.1107/S1600576721001722
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