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Figure 9
Laplacian maps showing the (a) N3—H3A⋯N1i, (b) N3—H3B⋯N1ii, (c) N2—H2⋯N2iii and (d) N2—H2⋯N3iii hydrogen-bonding interactions. Contours are drawn in a logarithmic scale, 3 × 2N e Å−5, where N = 2, 4 and 8 × 10n, n = −2, −1, 0, 1, 2. Solid blue lines and dotted red lines represent positive and negative contours, respectively. X1, X2 and X3 represent the symmetry codes: (i) [-x+{3\over 2},-y+1,+z+{1\over 2}]; (ii) [-x+{5\over 2},-y+1,+z+{1\over 2}]; (iii) [x+{1\over 2},-y+{3\over 2},-z].

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 70| Part 2| March 2014| Pages 331-341
doi:10.1107/S2052520613033209
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