Hydrogen-bonded chains in 5-methyl-2-trifluoromethyl-1,2,4-triazolo[1,5-a]-pyrimidin-7(4H)-one and hydrogen-bonded chains of rings in 5-amino-3-trifluoromethyl-1H-1,2,4-triazole-5-methyl-2-trifluoromethyl-1,2,4-triazolo[1,5-a]pyrimidin-7(4H)-one (1/1), the co-crystal of a reaction product and one of its precursors

N Boechat, K D B Dutra, A L Valverde, S M S V Wardell, J N Low, C Glidewell

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9 Citations (Scopus)

Abstract

In the title compounds, C7H5F3N4O, (I), and C3H3F3N4.-C7H5F3N4O, (II), all of the molecular components exhibit some polarization of their molecular - electronic structures. The molecules in ( I) are linked into simple C( 6) chains, while in ( II), the components are linked by a combination of two-centre N - H...N and N - H...O, and three-centre N-H ...(O, N) hydrogen bonds into chains containing R-1(2)(5), R-2(1)(6) and R-2(2)(8) rings.

Original languageEnglish
Number of pages4
JournalActa Crystallographica Section C-Crystal Structure Communications
Volume60
DOIs
Publication statusPublished - Oct 2004

Keywords

  • ABSOLUTE-STRUCTURE

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