Keesom

Some articles on keesom:

Source of Dispersive Adhesion Attractions - Keesom
... Keesom forces, also known as dipole-dipole interactions, result from two molecules that have a permanent dipole due to electronegativity differences between atoms in the molecule ...
Molecular Attraction - Dipole–dipole Interactions
... Keesom interactions (named after Willem Hendrik Keesom) are attractive interactions of dipoles that are Boltzmann-averaged over different rotational orientations of the dipoles ... The energy of a Keesom interaction depends on the inverse sixth power of the distance, unlike the interaction energy of two spatially fixed dipoles, which depends on the ...
Willem Hendrik Keesom
... Willem Hendrik Keesom (21 June 1876, Texel – 24 March 1956, Leiden) was a Dutch physicist who, in 1926, invented a method to freeze liquid helium ... Thus, dipole-dipole interactions are also known as Keesom interactions ...
Van Der Waals Force - Definition
... interaction is sometimes called the Keesom interaction or Keesom force after Willem Hendrik Keesom ... mean all the attractive forces (and then sometimes distinguish van der Waals-Keesom, van der Waals-Debye, and van der Waals-London) ...