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Figure 9
Static deformation electron-density maps showing the electron lone pairs for the O2 atom of the nitro group. The views are in the planes containing the O atom and perpendicular to the N2—O2 bond. (a) Experimental map, without symmetry and chemical equivalence restraints. (b) Experimental map with optimally weighted symmetry and chemical equivalence restraints. (c) Theoretical data refinement without restraints. Contour intervals as in Fig. 7[link], blue solid lines represent positive contours, red dashed lines represent negative contours and yellow dashed lines are zero contours.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 67| Part 3| May 2011| Pages 250-262
doi:10.1107/S0108768111013140
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