pmutt.constants.R

pmutt.constants.R(units)

Universal molar gas constant, R

Parameters:

units (str) –

Units for R. Supported units

Unit	Description	Value
J/mol/K	Joule per mole per kelvin	8.3144598
kJ/mol/K	kiloJoule per mole per kelvin	8.3144598e-3
L kPa/mol/K	Liter kilopascal per mole per kelvin	8.3144598
cm3 kPa/mol/K	Cubic centimeter kilopascal per mole per kelvin	8.3144598e3
m3 Pa/mol/K	Cubic meter pascal per mole per kelvin	8.3144598
cm3 MPa/mol/K	Cubic centimeter megapascal per mole per kelvin	8.3144598
m3 bar/mol/K	Cubic meters bar per mole per kelvin	8.3144598e-5
L bar/mol/K	Liter bar per mole per kelvin	8.3144598e-2
L torr/mol/K	Liter torr per mole per kelvin	62.363577
cal/mol/K	Calorie per mole per kelvin	1.9872036
kcal/mol/K	Kilocalorie per mole per kevin	1.9872036e-3
L atm/mol/K	Liter atmosphere per mole per kelvin	0.082057338
cm3 atm/mol/K	Cubic centimeter atmosphere per mole per kelvin	82.057338
eV/K	Electron volt per molecule per kelvin	8.6173303e-5
Eh/K	Hartree per molecule per kelvin	3.1668105e-6
Ha/K	Hartree per molecule per kelvin	3.1668105e-6

Returns:

R – Universal molar gas constant in appropriate units

Return type:

float

Raises:

KeyError – If units is not supported.