Three-dimensional aggregation in 2-hydroxy-3-iodo-5-nitrobenzaldehyde involving C-H center dot center dot center dot O, iodo-nitro and aromatic pi-pi stacking interactions, and isolated dimers in disordered 2,4-diiodo-6-nitroanisole

S J Garden, F R da Cunha, C Glidewell, J N Low, J M S Skakle, J L Wardell

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7 Citations (Scopus)

Abstract

In 2-hydroxy-3-iodo-5-nitrobenzaldehyde, C7H4INO4, the molecules are linked into sheets by a combination of C-H...O hydrogen bonds and two-centre iodo-nitro interactions, and these sheets are linked by aromatic pi-pi stacking interactions. Molecules of 2,4-diiodo-6-nitroanisole, C7H5I2NO3, are disordered, with the nitro group and one of the I substituents each occupying common sets of sites with 0.5 occupancy. The molecules are linked into isolated centrosymmetric dimeric units by a single iodo-nitro interaction.

Original languageEnglish
Number of pages3
JournalActa Crystallographica Section C, Crystal Structure Communications
Volume60
DOIs
Publication statusPublished - 2004

Keywords

  • HYDROGEN-BONDS
  • INTERPLAY
  • PATTERNS

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