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Figure 3
Residual density maps for high-quality [PT-2(Cl)] and low-quality [PT-8(Br)] data without intensity cut-off. Contour level: 0.05 e Å−3. Colours: blue – positive, red – negative. (a) PT-2(Cl), MM (freeXH), harmonic. (b) PT-8(Br), MM, harmonic. (c) PT-2(Cl), HAR, harmonic. (d) PT-8(Br), HAR, harmonic.

IUCrJ
Volume 6| Part 5| September 2019| Pages 868-883
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519007358