Physical Constants - TOML

[[items]]
code = "c"
slug = "speed-of-light"
name = "Speed of light in vacuum"
description = "The propagation speed of light in vacuum."
symbol = "c"
uncertainty = "exact"
unit = "m s^-1"
value = "299792458"

[[items]]
code = "h"
slug = "planck-constant"
name = "Planck constant"
description = "The fundamental constant of quantum mechanics."
symbol = "h"
uncertainty = "exact"
unit = "J Hz^-1"
value = "6.62607015e-34"

[[items]]
code = "h-bar"
slug = "reduced-planck-constant"
name = "Reduced Planck constant"
description = "Planck constant divided by 2π."
symbol = "ℏ"
uncertainty = "exact"
unit = "J s"
value = "1.054571817e-34"

[[items]]
code = "G"
slug = "gravitational-constant"
name = "Newtonian constant of gravitation"
description = "The proportional constant in Newton's law of universal gravitation."
symbol = "G"
uncertainty = "0.00015e-11"
unit = "m^3 kg^-1 s^-2"
value = "6.67430e-11"

[[items]]
code = "Na"
slug = "avogadro-constant"
name = "Avogadro constant"
description = "The number of particles in one mole."
symbol = "N_A"
uncertainty = "exact"
unit = "mol^-1"
value = "6.02214076e23"

[[items]]
code = "e"
slug = "elementary-charge"
name = "Elementary charge"
description = "The magnitude of charge carried by an electron."
symbol = "e"
uncertainty = "exact"
unit = "C"
value = "1.602176634e-19"

[[items]]
code = "k"
slug = "boltzmann-constant"
name = "Boltzmann constant"
description = "The conversion factor between temperature and energy."
symbol = "k"
uncertainty = "exact"
unit = "J K^-1"
value = "1.380649e-23"

[[items]]
code = "alpha"
slug = "fine-structure-constant"
name = "Fine-structure constant"
description = "A dimensionless constant representing the strength of electromagnetic interaction."
symbol = "α"
uncertainty = "0.0000000011e-3"
unit = ""
value = "7.2973525643e-3"

[[items]]
code = "me"
slug = "electron-mass"
name = "Electron mass"
description = "The rest mass of an electron."
symbol = "m_e"
uncertainty = "0.0000000028e-31"
unit = "kg"
value = "9.1093837139e-31"

[[items]]
code = "mp"
slug = "proton-mass"
name = "Proton mass"
description = "The rest mass of a proton."
symbol = "m_p"
uncertainty = "0.00000000052e-27"
unit = "kg"
value = "1.67262192595e-27"

[[items]]
code = "mn"
slug = "neutron-mass"
name = "Neutron mass"
description = "The rest mass of a neutron."
symbol = "m_n"
uncertainty = "0.00000000085e-27"
unit = "kg"
value = "1.67492750056e-27"

[[items]]
code = "R"
slug = "molar-gas-constant"
name = "Molar gas constant"
description = "The constant in the ideal gas law equation."
symbol = "R"
uncertainty = "exact"
unit = "J mol^-1 K^-1"
value = "8.314462618"

[[items]]
code = "sigma"
slug = "stefan-boltzmann-constant"
name = "Stefan-Boltzmann constant"
description = "The constant representing total radiated energy density of blackbody radiation."
symbol = "σ"
uncertainty = "exact"
unit = "W m^-2 K^-4"
value = "5.670374419e-8"

[[items]]
code = "R-inf"
slug = "rydberg-constant"
name = "Rydberg constant"
description = "The constant describing spectral lines of hydrogen atoms."
symbol = "R_∞"
uncertainty = "0.000012"
unit = "m^-1"
value = "10973731.568157"

[[items]]
code = "a0"
slug = "bohr-radius"
name = "Bohr radius"
description = "The average distance of the electron in the ground state of a hydrogen atom."
symbol = "a_0"
uncertainty = "0.00000000082e-11"
unit = "m"
value = "5.29177210544e-11"

[[items]]
code = "muB"
slug = "bohr-magneton"
name = "Bohr magneton"
description = "The natural unit of electron magnetic moment."
symbol = "μ_B"
uncertainty = "0.0000000029e-24"
unit = "J T^-1"
value = "9.2740100657e-24"

[[items]]
code = "muN"
slug = "nuclear-magneton"
name = "Nuclear magneton"
description = "The natural unit of nucleon magnetic moment."
symbol = "μ_N"
uncertainty = "0.0000000016e-27"
unit = "J T^-1"
value = "5.0507837393e-27"

[[items]]
code = "F"
slug = "faraday-constant"
name = "Faraday constant"
description = "The charge of one mole of electrons."
symbol = "F"
uncertainty = "exact"
unit = "C mol^-1"
value = "96485.33212"

[[items]]
code = "g"
slug = "standard-acceleration-of-gravity"
name = "Standard acceleration of gravity"
description = "The standard acceleration due to gravity at Earth's surface."
symbol = "g"
uncertainty = "exact"
unit = "m s^-2"
value = "9.80665"