 | Acta Crystallographica Section B Acta Crystallographica Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS |
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![[Figure 4]](lo5062fig4mag.jpg)
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Figure 4
Intermolecular distance between nitrogen–nitrogen (blue) and hydrogen–nitrogen (red) atoms in N—H⋯N hydrogen bonds in all four BZC polymorphs. The sums of van der Waals radii are shown with dotted lines in corresponding colours. Due to the Z′ = 4 for polymorph (III), values for three symmetry-independent N—H⋯N hydrogen bonds were included. Distances for polymorphs (I)–(III) are shown for previously reported structures (Chan et al., 2009  ): QQQAXG04 [polymorph (I)], QQQAXG05 [polymorph (II)] and QQQAXG03 [polymorph (III)]. |
![[Figure 4]](lo5062fig4.jpg)
| STRUCTURAL SCIENCE CRYSTAL ENGINEERING MATERIALS |
ISSN: 2052-5206
