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Figure 1
Comparison of 2FoFc and FoFc maps for (a) spherical atom, (b) Quantum-M, and (c) multipole models. Level charge density surfaces in 2FoFc maps are rendered using a blue wireframe at a level of 1-sigma. Level surfaces in FoFc maps are shown in green (positive electron density, negative charge) and red (negative electron density, positive charge) wireframes at 3-sigma. The figure was created using COOT (Emsley et al., 2010BB17).

Volume 3| Part 4| July 2016| Pages 237-246
ISSN: 2052-2525