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Keywords:

  • cluster compounds;
  • hydrogen bonds;
  • IR spectroscopy;
  • water chemistry
Thumbnail image of graphical abstract

And not a drop to drink: Hydrogen-bonded water clusters could be detected in CCl4 by IR spectroscopy. The comparison between measured and calculated frequencies along with the characteristic temperature behavior of band intensities suggests that cyclic clusters are formed up to the tetramer (see picture).