Constants and transformations between units

Various constants for the package.

Individual constants are not exported. Use Constants.<name> to access them.

Bohr radius [$m$]

atomic mass unit [$kg$]

atomic mass unit to kg [$kg~u^{-1}$]

au to Debye [$D~au^{-1}$]

Bohr to angstrom [$\AA~au^{-1}$]

Bohr to meter [$m~au^{-1}$]

speed of light in vacuum [$m~s^{-1}$]

Debye [$C~m$]

elementary charge [$C$]

vacuum electric permittivity [$F~m^{-1}$]

Planck constant [$J~s$]

Hartree energy [$J$]

Hartree to cm^{-1} [$cm^{-1}~E_h^{-1}$]

Hartree to eV [$eV~E_h^{-1}$]

Hartree to Kelvin [$K~E_h^{-1}$]

Hartree to kcal/mol [$kcal~mol^{-1}~E_h^{-1}$]

Hartree to kJ/mol [$kJ~mol^{-1}~E_h^{-1}$]

reduced Planck constant [$J~s$]

Boltzmann constant [$J~K^{-1}$]

kcal/mol [$J~mol^{-1}$]

electron mass [$kg$]

neutron mass [$kg$]

proton mass [$kg$]

vacuum magnetic permeability [$N~A^{-2}$]

Avogadro constant [$mol^{-1}$]