A common non-SI unit of dipole moment, named for Dutch physical chemist Peter Debye. A charge separation equal to one electron charge placed one Ångstrom unit apart has a dipole moment of 4.8D. In SI units, 1D = 3.338×10-30 coulomb metre.

See also: Debye, Peter, Electric Dipole Moment, SI Units.

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Subjects: Chemistry Units