Geraldo M. de Lima, William T. A. Harrison, Edward R. T. Tiekink, James L. Wardell, Solange M. S. V. Wardell

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1 Citation (Scopus)


The title molecule, C18H14N6O4S, adopts a U-shape with the aromatic groups lying syn and oriented in the same direction as the thiophene S atom. Twists away from planarity are evident with the maximum deviation being found for a terminal nitro group: C/C/N/O = 19.0 (3)degrees. The conformation about each of the C=N bonds is E. In the crystal, centrosymmetrically related molecules are connected via N-H center dot center dot center dot O-nitro hydrogen bonds, forming 14-membered {center dot center dot center dot HNC3NO}(2) synthons. These are linked into layers via C-H center dot center dot center dot O-nitro interactions with the primary interactions between layers being of the type C-H center dot center dot center dot pi, where the pi-system is the thiophene ring.

Original languageEnglish
Pages (from-to)o457-o458
Number of pages2
JournalActa Crystallographica Section E: Structure Reports Online
Publication statusPublished - Feb 2010


  • thiophene
  • hydrazones
  • series


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