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Figure 5
An XPac plot for the comparison of the geometrically similar shells of n = 15 mol­ecules around mol­ecules A and B of polymorph (Ib). A subset of data points for n = 5 (encircled by a dotted line) lies close to the origin (implying a high degree of similarity). It represents the hydrogen-bonded chain shown in Fig. 4[link], which has a noncrystallographic glide symmetry. A second subset of data points (encircled by a dashed line) indicates relatively large differences in the distances.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 68| Part 2| January 2012| Pages o65-o70
doi:10.1107/S0108270111055120
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