exatomic.util.conversions module

Common conversion factors

Conversion factors from the tabulated physical constants from `NIST`_. All of the entries that end with relationship are taken to be the conversion units provided by `NIST`_ and they are listed by a hardcoded acronym value.

class exatomic.util.conversions.Conversion(name, units, value, error)[source]

Bases: float

Conversion factors taken from the NIST constants table. Only those that end with relationship are taken to be the conversion factors.

Acronyms are as follows:

  • ‘u’: Unified atomic mass unit (Dalton)

  • ‘amu’: Atomic unit of mass

  • ‘eV’: Electron volt

  • ‘J’: Joule

  • ‘Ha’: Hartree

  • ‘inv_m’: Inverse meter

  • ‘K’: Kelvin

  • ‘Kg’: Kilogram

  • ‘Hz’: Hertz

  • ‘inv_cm’: Inverse centimeter