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Figure 2
Stereoview of part of the unit-cell contents of (4). The remarkable role played by the nitro groups in the formation of a one-dimensional polymer by unusual pairs of (aryl)C—H⋯O(nitro) hydrogen bonds (broken lines) is clearly evident.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 60| Part 5| September 2004| Pages 598-608
doi:10.1107/S0108768104019846
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