Kitaigorodsky revisited: Polymorphism and mixed crystals of acridine/phenazine

Einat Schur, Elisa Nauha, Matteo Lusi, Joel Bernstein

Research output: Contribution to journalArticlepeer-review

52 Scopus citations


Non-stoichiometric molecular mixed crystals have potential as functional materials, the properties of which can be tailored by rationally changing their composition. The guidelines for their preparation were summarized over thirty years ago by Alexander Kitaigorodsky. Here those principles are revised in light of new studies on the acridine/phenazine system, and solvent-assisted grinding is presented as a convenient synthetic procedure to afford a more homogeneous product than traditional solvent-evaporation methods. Finally, the proposed prerequisite of crystal isostructurality/isomorphicity for the pure compounds, which seems to be violated in the present case, is discussed.

Original languageEnglish
Pages (from-to)1735-1742
Number of pages8
JournalChemistry - A European Journal
Issue number4
StatePublished - 19 Jan 2015


  • Crystal engineering
  • Heterocycles
  • Mixed crystals
  • Polymorphism
  • Solid solutions

ASJC Scopus subject areas

  • Chemistry (all)
  • Catalysis
  • Organic Chemistry


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