theory of London dispersion forces
E347197
The theory of London dispersion forces explains the weak, short-range attractive interactions between all atoms and molecules arising from instantaneous, correlated fluctuations in their electron distributions.
All labels observed (3)
| Label | Occurrences |
|---|---|
| The Theory of Intermolecular Forces | 1 |
| theory of London dispersion forces canonical | 1 |
| van der Waals interaction theory | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3306105 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: theory of London dispersion forces Context triple: [Fritz London, notableWork, theory of London dispersion forces]
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A.
The Nature of the Chemical Bond
The Nature of the Chemical Bond is a landmark chemistry book by Linus Pauling that systematically explains chemical bonding using quantum mechanics and became one of the most influential scientific texts of the 20th century.
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B.
Herzberg–Teller approximation
The Herzberg–Teller approximation is a refinement in molecular spectroscopy that accounts for vibronic coupling by allowing electronic transition dipole moments to depend on nuclear coordinates, explaining intensity in otherwise forbidden transitions.
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C.
Longuet-Higgins theorem in molecular symmetry
The Longuet-Higgins theorem in molecular symmetry is a fundamental result in theoretical chemistry that relates molecular symmetry properties to electronic state degeneracies and the occurrence of phenomena such as the Jahn–Teller effect.
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D.
Franck–Condon principle
The Franck–Condon principle is a rule in molecular spectroscopy that explains the intensity distribution of vibronic transitions by assuming electronic transitions occur much faster than nuclear motion, making vertical transitions between vibrational states most probable.
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E.
Mulliken electronegativity scale
The Mulliken electronegativity scale is a quantitative measure of an atom’s tendency to attract electrons, defined as the average of its ionization energy and electron affinity.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: theory of London dispersion forces Target entity description: The theory of London dispersion forces explains the weak, short-range attractive interactions between all atoms and molecules arising from instantaneous, correlated fluctuations in their electron distributions.
-
A.
The Nature of the Chemical Bond
The Nature of the Chemical Bond is a landmark chemistry book by Linus Pauling that systematically explains chemical bonding using quantum mechanics and became one of the most influential scientific texts of the 20th century.
-
B.
Herzberg–Teller approximation
The Herzberg–Teller approximation is a refinement in molecular spectroscopy that accounts for vibronic coupling by allowing electronic transition dipole moments to depend on nuclear coordinates, explaining intensity in otherwise forbidden transitions.
-
C.
Longuet-Higgins theorem in molecular symmetry
The Longuet-Higgins theorem in molecular symmetry is a fundamental result in theoretical chemistry that relates molecular symmetry properties to electronic state degeneracies and the occurrence of phenomena such as the Jahn–Teller effect.
-
D.
Franck–Condon principle
The Franck–Condon principle is a rule in molecular spectroscopy that explains the intensity distribution of vibronic transitions by assuming electronic transitions occur much faster than nuclear motion, making vertical transitions between vibrational states most probable.
-
E.
Mulliken electronegativity scale
The Mulliken electronegativity scale is a quantitative measure of an atom’s tendency to attract electrons, defined as the average of its ionization energy and electron affinity.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
physical theory
ⓘ
theory in chemistry ⓘ theory in physics ⓘ |
| appliesTo |
all atoms
ⓘ
all molecules ⓘ |
| basedOn |
correlated fluctuations in electron distributions
ⓘ
instantaneous fluctuations in electron density ⓘ |
| characterizes |
forces that are always attractive at long range for neutral species
ⓘ
forces that decay rapidly with distance ⓘ |
| clarifies |
that dispersion forces act between all pairs of atoms and molecules
ⓘ
that dispersion forces exist even in absence of permanent charge or dipole ⓘ |
| componentOf |
total intermolecular interaction energy
ⓘ
London dispersion forces ⓘ
surface form:
van der Waals forces
|
| describes | London dispersion forces ⓘ |
| developedUsing | quantum perturbation theory ⓘ |
| distinguishedFrom |
dipole–induced dipole interactions
ⓘ
electrostatic interactions between permanent multipoles ⓘ hydrogen bonding ⓘ permanent dipole–dipole interactions ⓘ |
| explains |
attraction between nonpolar molecules
ⓘ
existence of condensed phases of noble gases ⓘ part of the origin of boiling points of nonpolar substances ⓘ part of the origin of melting points of nonpolar substances ⓘ residual attraction between noble gas atoms ⓘ short-range attractive interactions between atoms and molecules ⓘ weak intermolecular attractions ⓘ |
| historicallyAttributedTo | Fritz London ⓘ |
| partOf |
theory of London dispersion forces
self-linksurface differs
ⓘ
surface form:
van der Waals interaction theory
|
| predicts |
dispersion energy scales with inverse sixth power of distance
ⓘ
stronger dispersion forces for more polarizable species ⓘ |
| relatedTo |
Casimir–Polder interaction at larger separations
ⓘ
Lennard-Jones potential modeling of intermolecular forces ⓘ London equation for dispersion energy ⓘ induced dipole–induced dipole interactions ⓘ quantum mechanical description of intermolecular forces ⓘ |
| usedIn |
biomolecular structure and stability analysis
ⓘ
computational chemistry models of noncovalent interactions ⓘ explanations of trends in physical properties of homologous series ⓘ materials science of molecular crystals ⓘ molecular simulation force fields ⓘ surface science and adsorption studies ⓘ |
| usesConcept |
electron correlation
ⓘ
induced dipole moments ⓘ instantaneous dipole moments ⓘ polarizability of atoms and molecules ⓘ |
How these facts were elicited
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Subject: theory of London dispersion forces Description of subject: The theory of London dispersion forces explains the weak, short-range attractive interactions between all atoms and molecules arising from instantaneous, correlated fluctuations in their electron distributions.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.