Concomitant cocrystal and salt: no interconversion in the solid state

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2 Citations (Scopus)

Abstract

A cocrystal and a molecular salt of β-alanine and dl-tartaric acid, C 3 H 8 NO 2 + ·C 4 H 4 O 6 , of the same chemical composition, were studied over a wide temperature range by single-crystal and powder X-ray diffraction. Neither the interconversion between the two phases nor any polymorphic transitions were observed in the temperature range from 100 K to the melting points. This contrasts with the solvent-mediated phase transition from the salt to the cocrystal in a slurry that has been documented earlier.

Original languageEnglish
Pages (from-to)313-319
Number of pages7
JournalActa Crystallographica Section C: Structural Chemistry
Volume75
DOIs
Publication statusPublished - Mar 2019

Keywords

  • cocrystal
  • crystal structure
  • dl-tartaric acid
  • molecular salt
  • solvent-mediated phase transformation
  • X-ray diffraction
  • β-alanine
  • β-Alanine
  • DL-tartaric acid
  • Cocrystal
  • Molecular salt
  • Crystal structure
  • Solvent-mediated phase transformation
  • CRYSTALLIZATION
  • GLYCINE
  • RAMAN-SPECTROSCOPY
  • X-RAY-DIFFRACTION
  • POLYMORPHISM
  • LOW-TEMPERATURES
  • ACID CO-CRYSTALS
  • PHASE
  • beta-alanine
  • KINETICS

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