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Keywords:

  • hydrated electron;
  • computational chemistry;
  • molecular dynamics;
  • radiation;
  • solvent effects
Thumbnail image of graphical abstract

A new physical picture of the hydrated electron has been proposed by Larsen et al. Molecular dynamics simulations using refined pseudopotentials for properly describing the electron–water interaction challenge the cavity model. Instead of forming a small void, the electron spreads within a nanometer-size region. Due to electrostriction effects, the water molecules inside this region are packed together as in high-density water.