Overview of low-temperature heat capacity data for Zn2(C8H4O4)2·C6H12N2 and the Salam hypothesis

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Abstract

The review presents the progress in the analysis of low-temperature heat capacity of the metal-organic framework Zn2(C8H4O4)2·C6H12N2 (Zn-DMOF). In Zn-DMOF, left-twisted D3(S) and right-twisted D3(R) DABCO molecules (C6H12N2) can transform into each other by tunneling to form a racemate. Termination of tunneling leads to a phase transition in the subsystem of twisted molecules. It is suggested that Zn-DMOF may be considered a model system to study the mechanisms of phase transitions belonging to the same type as hypothetical Salam phase transitions.

Original languageEnglish
Article number657
Number of pages9
JournalSymmetry
Volume11
Issue number5
DOIs
Publication statusPublished - 1 May 2019

Keywords

  • Heat capacity
  • Metal-organic framework
  • Racemate
  • Salam hypothesis
  • Triethylenediamine (DABCO) molecules
  • racemate
  • PHASE-TRANSITIONS
  • BEHAVIOR
  • heat capacity
  • METAL-ORGANIC FRAMEWORK
  • metal-organic framework
  • MOTION
  • triethylenediamine (DABCO) molecules
  • CHIRALITY

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