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Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
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Temperature dependent solid-state proton migration in dimethylurea-oxalic acid complexes.

Andrew O F Jones1, Marie-Hélène Lemée-Cailleau, David M S Martins

  • 1Department of Chemistry, University of Bath, Bath BA2 7AY, UK.

Physical Chemistry Chemical Physics : PCCP
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PubMed
Summary
This summary is machine-generated.

Proton migration in short hydrogen bonds within molecular complexes can be controlled by temperature. This research opens avenues for designing materials with tunable proton migration properties.

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Area of Science:

  • Solid-state chemistry
  • Materials science
  • Crystallography

Background:

  • Short hydrogen bonds in molecular complexes are crucial for proton transfer.
  • Understanding solid-state proton migration is key for developing new materials.
  • Dimethylurea-oxalic acid complexes serve as model systems for studying hydrogen bonding.

Purpose of the Study:

  • To investigate solid-state proton migration in dimethylurea-oxalic acid complexes.
  • To explore the influence of temperature on proton migration dynamics.
  • To establish a design strategy for materials with controllable proton migration.

Main Methods:

  • X-ray diffraction
  • Neutron diffraction
  • Crystallographic analysis
  • Temperature-dependent studies

Main Results:

  • Proton migration along hydrogen bonds was successfully induced by temperature changes.
  • The study highlights the sensitivity of hydrogen bond potentials to temperature and crystalline environment.
  • Two dimethylurea-oxalic acid complexes exhibited temperature-dependent proton migration.

Conclusions:

  • Solid-state proton migration is a tunable property in molecular complexes.
  • Designing materials with specific proton migration characteristics is feasible.
  • Further research into molecular complexes can lead to advanced functional materials.