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. 2020 Apr 9;5(Pt 4):x200488. doi: 10.1107/S2414314620004885

Figure 2.

Figure 2

Difference electron-density map in the vicinity of the N-atom site calculated on the basis of a model including N1 and H1 atoms (R 1 = 0.0183, wR 2 = 0.0420). The difference map is plotted at the 0.18 e Å−3 level with a resolution of 0.05 Å (Dolomanov et al., 2009). At this level, only positive residuals are observed (green wire), corresponding essentially to the N—H σ bond and missing H atoms. Positions for all H atoms in the final refinement (R 1 = 0.0163, wR 2 = 0.0296) are superimposed on the calculated difference map, showing the fit between the experimental data and the proposed model.