National Institute of Standards and Technology
Computational Chemistry Comparison and Benchmark DataBase
Release
NIST Standard Reference Database 101
IIntroduction
IIExperimental data
IIICalculated data
IVData comparisons
VCost comparisons
VIInput and output files
VIITutorials and Units
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XVEntropy data
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XVIIIon data
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XIXIndex of properties
XXH-bond dimers
XXIOddities
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VII.B.3.

Charge and Dipole Units

The Debye is the unit for the dipole moment of molecules. The Debye has the dimensions of charge times distance.
1 Debye is 10-18 statcoul cm
1 Debye is 3.335641x10-30 A m s
1 Debye is 3.335641x10-30 C m
1 Debye is 0.208194 e Å
1 Debye is 0.393430 e Bohr
1 Debye is 10-18 esu cm

Mulliken and CHELPG charges are given in terms of e, the charge on an electron.
1 e is 1.602176462x10-19 C