Debye unit
E518988
The Debye unit is a non-SI measure of electric dipole moment commonly used in molecular physics and physical chemistry to quantify the polarity of molecules.
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
non-SI unit
ⓘ
unit of electric dipole moment ⓘ |
| approximateCGSEquivalent | 10^-18 statcoulomb centimetre ⓘ |
| approximateSIValue |
3.33564e-30 coulomb metre
ⓘ
3.33564×10^-30 C·m ⓘ |
| baseQuantity | electric charge times length ⓘ |
| belongsTo | electromagnetism ⓘ |
| category | unit of electromagnetism ⓘ |
| conversionFromSI | 1 C·m ≈ 2.9979×10^29 D ⓘ |
| conversionToSI | 1 D ≈ 3.33564×10^-30 C·m ⓘ |
| dimension | electric dipole moment ⓘ |
| fieldOfUse |
molecular physics
ⓘ
physical chemistry ⓘ |
| hasExactValueInSI | false ⓘ |
| isNonSIUnitAcceptedWithSI | true ⓘ |
| namedAfter | Peter Debye NERFINISHED ⓘ |
| quantifies |
electric dipole moment
ⓘ
molecular polarity ⓘ |
| relatedConcept |
dielectric constant
ⓘ
electric field interaction with molecules ⓘ molecular dipole moment ⓘ polar molecule ⓘ |
| statusInSI | not part of the International System of Units ⓘ |
| symbol | D ⓘ |
| systemOfUnits | CGS electrostatic system ⓘ |
| typicalMolecularScale | order of 1 Debye ⓘ |
| typicalWaterDipoleMomentAtRoomTemperature | about 1.85 Debye ⓘ |
| usedBy |
chemists
ⓘ
physicists ⓘ spectroscopists ⓘ |
| usedFor |
induced dipole moments
ⓘ
permanent dipole moments of molecules ⓘ transition dipole moments ⓘ |
| usedSince | early 20th century ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.