File SBDQuantityConstantDefines.hpp#
FileList > DataModel > Quantity > SBDQuantityConstantDefines.hpp
This file contains defines for several useful physical constants. More...
Macros#
| Type | Name |
|---|---|
| define | SB_QUANTITY_ATOMIC_UNIT_OF_ACTION The atomic unit of action (au_act), the reduced Planck constant (hBar) (exact value) [J s]. |
| define | SB_QUANTITY_ATOMIC_UNIT_OF_CHARGE The atomic unit of electric charge (au_ec) (exact value), [C]. |
| define | SB_QUANTITY_ATOMIC_UNIT_OF_ELECTRIC_POTENTIAL The atomic unit of electric potential (au_epot), the Hartree energy in eV (Eh_eV), [eV]. |
| define | SB_QUANTITY_ATOMIC_UNIT_OF_ENERGY The atomic unit of energy (au_ener), the Hartree energy (Eh), [J]. |
| define | SB_QUANTITY_ATOMIC_UNIT_OF_LENGTH The atomic unit of length (au_len), the Bohr radius (a0), [m]. |
| define | SB_QUANTITY_ATOMIC_UNIT_OF_TIME The atomic unit of time (au_time), [s]. |
| define | SB_QUANTITY_AVOGADRO_CONSTANT The Avogadro constant (N_A) (exact value), [mol^-1]. |
| define | SB_QUANTITY_BOHR_RADIUS The atomic unit of length (au_len), the Bohr radius (a0), [m]. |
| define | SB_QUANTITY_BOLTZMANN_CONSTANT The Boltzmann constant (k_B) (exact value), [J K^-1]. |
| define | SB_QUANTITY_COULOMB_CONSTANT The Coulomb constant computed as 1 / (4 * Pi * eps0), equal to 8.9875517862e9 [N m^2 C^-2] or [kg m^3 s^-4 A^-2]. |
| define | SB_QUANTITY_ELECTRONVOLT The electron volt (eV) (exact value), [J]. |
| define | SB_QUANTITY_ELECTRON_MASS The electron mass (m_e), [kg]. |
| define | SB_QUANTITY_ELECTRON_MASS_IN_U The electron mass in daltons (m_e_Da), [u]. |
| define | SB_QUANTITY_ELEMENTARY_CHARGE The elementary charge (e) (exact value), [C]. |
| define | SB_QUANTITY_HARTREE_ENERGY The atomic unit of energy (au_ener), the Hartree energy (Eh), [J]. |
| define | SB_QUANTITY_HARTREE_ENERGY_IN_EV The atomic unit of electric potential (au_epot), the Hartree energy in eV (Eh_eV), [eV]. |
| define | SB_QUANTITY_LUMINOUS_EFFICACY The luminous efficacy of 540 THz radiation (K_cd) (exact value), [lm W^-1]. |
| define | SB_QUANTITY_MOLAR_MASS_CONSTANT The molar mass constant (M_u), [kg mol^-1]. |
| define | SB_QUANTITY_NEUTRON_MASS The neutron mass (m_n), [kg]. |
| define | SB_QUANTITY_PLANCK_CONSTANT The Planck constant (h) (exact value), [J Hz^-1]. |
| define | SB_QUANTITY_PROTON_MASS The proton mass (m_p), [kg]. |
| define | SB_QUANTITY_REDUCED_PLANCK_CONSTANT The atomic unit of action (au_act), the reduced Planck constant (hBar) (exact value) [J s]. |
| define | SB_QUANTITY_SPEED_OF_LIGHT_IN_VACUUM The speed of light in vacuum (c) (exact value), [m s^-1]. |
| define | SB_QUANTITY_STANDARD_ACCELERATION_OF_GRAVITY The standard acceleration of gravity (g) (exact value), [m s^-2]. |
| define | SB_QUANTITY_STANDARD_ATMOSPHERE The standard atmosphere (atm) (exact value), [Pa]. |
| define | SB_QUANTITY_STANDARD_STATE_PRESSURE The standard-state pressure (ssp) (exact value), [Pa]. |
| define | SB_QUANTITY_THERMOCHEMICAL_CALORIE The thermochemical calorie (calorie_th), [J]. |
| define | SB_QUANTITY_UNIFIED_ATOMIC_MASS_UNIT The unified atomic mass unit or atomic mass constant or dalton (m_u), [kg]. |
| define | SB_QUANTITY_VACUUM_ELECTRIC_PERMITTIVITY The vacuum electric permittivity (eps0), [F m^-1]. |
Detailed Description#
Values for physical constants correspond to 2022 CODATA internationally recommended values of the Fundamental Physical Constants.
See:
- National Institute of Standards and Technology (NIST): https://physics.nist.gov/cuu/Constants/
- Table of physical constants: https://physics.nist.gov/cuu/Constants/Table/allascii.txt
Macro Definition Documentation#
define SB_QUANTITY_ATOMIC_UNIT_OF_ACTION#
The atomic unit of action (au_act), the reduced Planck constant (hBar) (exact value) [J s].
define SB_QUANTITY_ATOMIC_UNIT_OF_CHARGE#
The atomic unit of electric charge (au_ec) (exact value), [C].
define SB_QUANTITY_ATOMIC_UNIT_OF_ELECTRIC_POTENTIAL#
The atomic unit of electric potential (au_epot), the Hartree energy in eV (Eh_eV), [eV].
define SB_QUANTITY_ATOMIC_UNIT_OF_ENERGY#
The atomic unit of energy (au_ener), the Hartree energy (Eh), [J].
define SB_QUANTITY_ATOMIC_UNIT_OF_LENGTH#
The atomic unit of length (au_len), the Bohr radius (a0), [m].
define SB_QUANTITY_ATOMIC_UNIT_OF_TIME#
The atomic unit of time (au_time), [s].
define SB_QUANTITY_AVOGADRO_CONSTANT#
The Avogadro constant (N_A) (exact value), [mol^-1].
define SB_QUANTITY_BOHR_RADIUS#
The atomic unit of length (au_len), the Bohr radius (a0), [m].
define SB_QUANTITY_BOLTZMANN_CONSTANT#
The Boltzmann constant (k_B) (exact value), [J K^-1].
define SB_QUANTITY_COULOMB_CONSTANT#
The Coulomb constant computed as 1 / (4 * Pi * eps0), equal to 8.9875517862e9 [N m^2 C^-2] or [kg m^3 s^-4 A^-2].
define SB_QUANTITY_ELECTRONVOLT#
The electron volt (eV) (exact value), [J].
define SB_QUANTITY_ELECTRON_MASS#
The electron mass (m_e), [kg].
define SB_QUANTITY_ELECTRON_MASS_IN_U#
The electron mass in daltons (m_e_Da), [u].
define SB_QUANTITY_ELEMENTARY_CHARGE#
The elementary charge (e) (exact value), [C].
define SB_QUANTITY_HARTREE_ENERGY#
The atomic unit of energy (au_ener), the Hartree energy (Eh), [J].
define SB_QUANTITY_HARTREE_ENERGY_IN_EV#
The atomic unit of electric potential (au_epot), the Hartree energy in eV (Eh_eV), [eV].
define SB_QUANTITY_LUMINOUS_EFFICACY#
The luminous efficacy of 540 THz radiation (K_cd) (exact value), [lm W^-1].
define SB_QUANTITY_MOLAR_MASS_CONSTANT#
The molar mass constant (M_u), [kg mol^-1].
define SB_QUANTITY_NEUTRON_MASS#
The neutron mass (m_n), [kg].
define SB_QUANTITY_PLANCK_CONSTANT#
The Planck constant (h) (exact value), [J Hz^-1].
define SB_QUANTITY_PROTON_MASS#
The proton mass (m_p), [kg].
define SB_QUANTITY_REDUCED_PLANCK_CONSTANT#
The atomic unit of action (au_act), the reduced Planck constant (hBar) (exact value) [J s].
define SB_QUANTITY_SPEED_OF_LIGHT_IN_VACUUM#
The speed of light in vacuum (c) (exact value), [m s^-1].
define SB_QUANTITY_STANDARD_ACCELERATION_OF_GRAVITY#
The standard acceleration of gravity (g) (exact value), [m s^-2].
define SB_QUANTITY_STANDARD_ATMOSPHERE#
The standard atmosphere (atm) (exact value), [Pa].
define SB_QUANTITY_STANDARD_STATE_PRESSURE#
The standard-state pressure (ssp) (exact value), [Pa].
define SB_QUANTITY_THERMOCHEMICAL_CALORIE#
The thermochemical calorie (calorie_th), [J].
define SB_QUANTITY_UNIFIED_ATOMIC_MASS_UNIT#
The unified atomic mass unit or atomic mass constant or dalton (m_u), [kg].
define SB_QUANTITY_VACUUM_ELECTRIC_PERMITTIVITY#
The vacuum electric permittivity (eps0), [F m^-1].