Crystals at a carrefour on the way through the phase space: A middle path

Yury V. Torubaev, Ivan V. Skabitsky

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Multiple supramolecular functionalities of cyclic α-alkoxy tellurium-trihalides (including Te—O, Te—X (X = Br, I) and Te—π(C=C) supramolecular synthons) afford rich crystal packing possibilities, which consequently results in polymorphism or Z’ > 1 crystal structures. Example of three crystal forms of cyclohexyl-ethoxy-tellurium-trihalides, one of which combines the packing of two others, affords a unique model to observe the supramolecular synthon evolution at the early stages of crystallization, when crystals on the way find themself at a carrefour between the evolutionally close routes, but fail to choose between two energetically close packing patterns, so taking the “middle path”, which incorporates both of them (and results in two crystallographically independent molecules). In general, this allows a better understanding of the existing structures, and an instrument to search for the new polymorphic forms.

Original languageEnglish
Article number1583
Issue number6
StatePublished - 2 Mar 2021
Externally publishedYes


  • Chalcogen bonding
  • Crystal design
  • Crystallization
  • Energy framework
  • Non-covalent interactions
  • Organotellurium
  • Polymorphism
  • Structural landscape
  • Supramolecular synthons
  • Synthon crossover
  • Synthons evolution

ASJC Scopus subject areas

  • Analytical Chemistry
  • Chemistry (miscellaneous)
  • Molecular Medicine
  • Pharmaceutical Science
  • Drug Discovery
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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