London dispersion forces

E347195

London dispersion forces are weak, short-range intermolecular attractions arising from temporary fluctuations in electron density that induce instantaneous dipoles between atoms or molecules.

All labels observed (2)

Label Occurrences
London dispersion forces canonical 2
van der Waals forces 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf intermolecular force ⓘ
physical interaction ⓘ
van der Waals force ⓘ
actBetween atoms ⓘ
molecules ⓘ
noble gas atoms ⓘ
nonpolar molecules ⓘ
alsoKnownAs London forces ⓘ
dispersion forces ⓘ
instantaneous dipole–induced dipole forces ⓘ
ariseFrom induced dipoles ⓘ
instantaneous dipoles ⓘ
temporary fluctuations in electron density ⓘ
categoryOf induced dipole interactions ⓘ
contributeTo boiling points of substances ⓘ
condensation of gases ⓘ
liquefaction of noble gases ⓘ
melting points of substances ⓘ
solubility trends of nonpolar substances ⓘ
surface tension of nonpolar liquids ⓘ
viscosity of nonpolar liquids ⓘ
dependOn intermolecular distance ⓘ
molecular polarizability ⓘ
number of electrons ⓘ
size of electron cloud ⓘ
energyDependenceOnDistance approximately proportional to 1/r^6 ⓘ
existEvenIn nonpolar substances ⓘ
explains existence of liquid and solid phases of noble gases ⓘ
trend of boiling points in halogen series ⓘ
field materials science ⓘ
molecular physics ⓘ
physical chemistry ⓘ
increaseWith increasing molar mass ⓘ
increasing surface area contact ⓘ
mathematicallyDescribedBy attractive term in Lennard-Jones potential ⓘ
namedAfter Fritz London ⓘ
presentIn all atoms and molecules ⓘ
range short-range ⓘ
relativeStrength weak ⓘ
significantIn interactions between hydrocarbon chains ⓘ
large nonpolar organic molecules ⓘ
molecular crystals of nonpolar substances ⓘ
strongerThan gravitational forces between molecules ⓘ
temperatureEffect disrupted by increasing thermal motion ⓘ
weakerThan covalent bonds ⓘ
hydrogen bonding ⓘ
ionic bonds ⓘ
ion–dipole interactions ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Fritz London → notableFor → London dispersion forces ⓘ
Fritz London → knownFor → London dispersion forces ⓘ
subject linked to: Fritz
theory of London dispersion forces → componentOf → van der Waals forces ⓘ
linked to: London dispersion forces