Intermolecular Forces

 

 

Force

approx strength

distance dependance

ion-ion ~200 kJ/mol 1/r
ion-dipole 20 kJ/mol 1/r2
dipole-dipole 2 kJ/mol 1/r3
London dispersion 2 kJ/mol 1/r6
hydrogen bonds 20 kJ/mol 1.8 Angstroms optimal

NaCl

carbon

water

protein

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