Different weak interactions in the crystals of three isomeric (E)-N-methyl-N0-(nitrobenzylidene)- 2-(thiophen-2-yl)acetohydrazides

Laura N F Cardoso, Thais C M Noguiera, Carlos R Kaiser, James L Wardell, Marcus V N de Souza, Shaun T Lancaster, William T A Harrison

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Abstract

The crystal structures of three isomeric (E)-N-methyl-N′-(nitro­benzyl­idene)-2-(thio­phen-2-yl)acetohydrazides (formula C14H13N3O3S) are described, with the nitro group in ortho, meta and para positions in the benzene ring. In each crystal structure, mol­ecules are linked by various weak inter­actions (C—H⋯O and C—H⋯π bonds, and π–π stacking), leading to three-dimensional networks in each case, but with little similarity between them.
Original languageEnglish
Pages (from-to)1677-1682
Number of pages6
JournalActa Crystallographica Section E: Crystallographic Communications
Volume72
Issue number12
Early online date1 Nov 2016
DOIs
Publication statusPublished - 1 Dec 2016

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Keywords

  • crystal structure
  • carbohydrazide
  • methyl­ation
  • weak hydrogen bonds

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