physical_constants-min.json

{"Angstrom star": {"symbol": [], "uncertainty": 9e-17, "units": "m", "value": 1.00001495e-10}, "Avogadro constant": {"symbol": [], "uncertainty": 0, "units": "1/mol", "value": 6.02214076e+23}, "Bohr magneton": {"symbol": [], "uncertainty": 2.7999999999999995e-33, "units": "J/T", "value": 9.274010078299999e-24}, "Bohr magneton in Hz/T": {"symbol": [], "uncertainty": 4.2, "units": "Hz/T", "value": 13996244936.1}, "Bohr magneton in K/T": {"symbol": [], "uncertainty": 2e-10, "units": "K/T", "value": 0.67171381563}, "Bohr magneton in eV/T": {"symbol": [], "uncertainty": 1.7e-14, "units": "eV/T", "value": 5.7883818060000005e-05}, "Bohr magneton in inverse meter per tesla": {"symbol": [], "uncertainty": 1.4e-08, "units": "1/(m\u00b7T)", "value": 46.686447783}, "Bohr radius": {"symbol": [], "uncertainty": 8e-21, "units": "m", "value": 5.29177210903e-11}, "Boltzmann constant": {"symbol": [], "uncertainty": 0, "units": "J/K", "value": 1.380649e-23}, "Boltzmann constant in Hz/K": {"symbol": [], "uncertainty": 0, "units": "Hz/K", "value": 20836619120.0}, "Boltzmann constant in eV/K": {"symbol": [], "uncertainty": 0, "units": "eV/K", "value": 8.617333262000001e-05}, "Boltzmann constant in inverse meter per kelvin": {"symbol": [], "uncertainty": 0, "units": "1/(m\u00b7K)", "value": 69.50348004}, "Compton wavelength": {"symbol": [], "uncertainty": 7.299999999999999e-22, "units": "m", "value": 2.4263102386700002e-12}, "Copper x unit": {"symbol": [], "uncertainty": 2.8e-20, "units": "m", "value": 1.0020769700000001e-13}, "Faraday constant": {"symbol": [], "uncertainty": 0, "units": "C/mol", "value": 96485.33212}, "Fermi coupling constant": {"symbol": [], "uncertainty": 6e-12, "units": "1/GeV^2", "value": 1.1663787000000001e-05}, "Hartree energy": {"symbol": [], "uncertainty": 8.500000000000001e-30, "units": "J", "value": 4.359744722207101e-18}, "Hartree energy in eV": {"symbol": [], "uncertainty": 5.3e-11, "units": "eV", "value": 27.211386245988}, "Josephson constant": {"symbol": [], "uncertainty": 0, "units": "Hz/V", "value": 483597848400000.0}, "Loschmidt constant (273.15 K, 100 kPa)": {"symbol": [], "uncertainty": 0, "units": "1/m^3", "value": 2.6516458040000003e+25}, "Loschmidt constant (273.15 K, 101.325 kPa)": {"symbol": [], "uncertainty": 0, "units": "1/m^3", "value": 2.686780111e+25}, "Molybdenum x unit": {"symbol": [], "uncertainty": 5.3e-20, "units": "m", "value": 1.00209952e-13}, "Newtonian constant of gravitation": {"symbol": [], "uncertainty": 1.4999999999999997e-15, "units": "m^3/(kg\u00b7s^2)", "value": 6.6743e-11}, "Newtonian constant of gravitation over h-bar c": {"symbol": [], "uncertainty": 1.4999999999999998e-43, "units": "1/(GeV\u00b7c^2)^2", "value": 6.708829999999999e-39}, "Planck constant": {"symbol": [], "uncertainty": 0, "units": "J/Hz", "value": 6.62607015e-34}, "Planck constant in eV/Hz": {"symbol": [], "uncertainty": 0, "units": "eV/Hz", "value": 4.1356676959999996e-15}, "Planck length": {"symbol": [], "uncertainty": 1.8e-40, "units": "m", "value": 1.616255e-35}, "Planck mass": {"symbol": [], "uncertainty": 2.4e-13, "units": "kg", "value": 2.176434e-08}, "Planck mass energy equivalent in GeV": {"symbol": [], "uncertainty": 140000000000000.0, "units": "GeV", "value": 1.22089e+19}, "Planck temperature": {"symbol": [], "uncertainty": 1.6e+27, "units": "K", "value": 1.4167840000000002e+32}, "Planck time": {"symbol": [], "uncertainty": 6e-49, "units": "s", "value": 5.391246999999999e-44}, "Rydberg constant": {"symbol": [], "uncertainty": 2.1e-05, "units": "1/m", "value": 10973731.56816}, "Rydberg constant times c in Hz": {"symbol": [], "uncertainty": 6400.0, "units": "Hz", "value": 3289841960250800.0}, "Rydberg constant times hc in J": {"symbol": [], "uncertainty": 4.2e-30, "units": "J", "value": 2.1798723611035003e-18}, "Rydberg constant times hc in eV": {"symbol": [], "uncertainty": 2.6e-11, "units": "eV", "value": 13.605693122994}, "Sackur-Tetrode constant (1 K, 100 kPa)": {"symbol": [], "uncertainty": 4.5e-10, "units": "", "value": -1.15170753706}, "Sackur-Tetrode constant (1 K, 101.325 kPa)": {"symbol": [], "uncertainty": 4.5e-10, "units": "", "value": -1.16487052358}, "Stefan-Boltzmann constant": {"symbol": [], "uncertainty": 0, "units": "W/(m^2\u00b7K^4)", "value": 5.670374419e-08}, "Thomson cross section": {"symbol": [], "uncertainty": 6e-38, "units": "m^2", "value": 6.6524587321e-29}, "W to Z mass ratio": {"symbol": [], "uncertainty": 0.00017, "units": "", "value": 0.88153}, "Wien frequency displacement law constant": {"symbol": [], "uncertainty": 0, "units": "Hz/K", "value": 58789257570.0}, "Wien wavelength displacement law constant": {"symbol": [], "uncertainty": 0, "units": "m\u00b7K", "value": 0.002897771955}, "alpha particle mass": {"symbol": [], "uncertainty": 2.0000000000000002e-36, "units": "kg", "value": 6.6446573357e-27}, "alpha particle mass energy equivalent": {"symbol": [], "uncertainty": 1.8e-19, "units": "J", "value": 5.971920191399999e-10}, "alpha particle mass energy equivalent in MeV": {"symbol": [], "uncertainty": 1.1e-06, "units": "MeV", "value": 3727.3794066}, "alpha particle mass in u": {"symbol": [], "uncertainty": 6.3e-11, "units": "u", "value": 4.001506179127}, "alpha particle molar mass": {"symbol": [], "uncertainty": 1.2e-12, "units": "kg/mol", "value": 0.0040015061777}, "alpha particle relative atomic mass": {"symbol": [], "uncertainty": 6.3e-11, "units": "", "value": 4.001506179127}, "alpha particle-electron mass ratio": {"symbol": [], "uncertainty": 2.4e-07, "units": "", "value": 7294.29954142}, "alpha particle-proton mass ratio": {"symbol": [], "uncertainty": 2.2e-10, "units": "", "value": 3.97259969009}, "atomic mass constant": {"symbol": [], "uncertainty": 5.0000000000000005e-37, "units": "kg", "value": 1.6605390666e-27}, "atomic mass constant energy equivalent": {"symbol": [], "uncertainty": 4.5e-20, "units": "J", "value": 1.4924180856e-10}, "atomic mass constant energy equivalent in MeV": {"symbol": [], "uncertainty": 2.8e-07, "units": "MeV", "value": 931.49410242}, "atomic mass unit-electron volt relationship": {"symbol": [], "uncertainty": 0.27999999999999997, "units": "eV", "value": 931494102.42}, "atomic mass unit-hartree relationship": {"symbol": [], "uncertainty": 0.01, "units": "E_h", "value": 34231776.874}, "atomic mass unit-hertz relationship": {"symbol": [], "uncertainty": 68000000000000.0, "units": "Hz", "value": 2.2523427187099997e+23}, "atomic mass unit-inverse meter relationship": {"symbol": [], "uncertainty": 230000.0, "units": "1/m", "value": 751300661040000.0}, "atomic mass unit-joule relationship": {"symbol": [], "uncertainty": 4.5e-20, "units": "J", "value": 1.4924180856e-10}, "atomic mass unit-kelvin relationship": {"symbol": [], "uncertainty": 3300.0, "units": "K", "value": 10809540191600.0}, "atomic mass unit-kilogram relationship": {"symbol": [], "uncertainty": 5.0000000000000005e-37, "units": "kg", "value": 1.6605390666e-27}, "atomic unit of 1st hyperpolarizability": {"symbol": [], "uncertainty": 1.5e-62, "units": "C^3\u00b7m^3/J^2", "value": 3.2063613061e-53}, "atomic unit of 2nd hyperpolarizability": {"symbol": [], "uncertainty": 3.8e-74, "units": "C^4\u00b7m^4/J^3", "value": 6.2353799904999995e-65}, "atomic unit of action": {"symbol": [], "uncertainty": 0, "units": "J\u00b7s", "value": 1.054571817e-34}, "atomic unit of charge": {"symbol": [], "uncertainty": 0, "units": "C", "value": 1.6021766340000001e-19}, "atomic unit of charge density": {"symbol": [], "uncertainty": 489.99999999999994, "units": "C/m^3", "value": 1081202384570.0001}, "atomic unit of current": {"symbol": [], "uncertainty": 1.3e-14, "units": "A", "value": 0.00662361823751}, "atomic unit of electric dipole mom.": {"symbol": [], "uncertainty": 1.3000000000000002e-39, "units": "C\u00b7m", "value": 8.478353625500001e-30}, "atomic unit of electric field": {"symbol": [], "uncertainty": 78.0, "units": "V/m", "value": 514220674763.00006}, "atomic unit of electric field gradient": {"symbol": [], "uncertainty": 2900000000000.0, "units": "V/m^2", "value": 9.7173624292e+21}, "atomic unit of electric polarizability": {"symbol": [], "uncertainty": 5.0000000000000006e-51, "units": "C^2\u00b7m^2/J", "value": 1.64877727436e-41}, "atomic unit of electric potential": {"symbol": [], "uncertainty": 5.3e-11, "units": "V", "value": 27.211386245988}, "atomic unit of electric quadrupole mom.": {"symbol": [], "uncertainty": 1.3999999999999998e-49, "units": "C\u00b7m^2", "value": 4.4865515246e-40}, "atomic unit of energy": {"symbol": [], "uncertainty": 8.500000000000001e-30, "units": "J", "value": 4.359744722207101e-18}, "atomic unit of force": {"symbol": [], "uncertainty": 1.2000000000000001e-17, "units": "N", "value": 8.238723498300001e-08}, "atomic unit of length": {"symbol": [], "uncertainty": 8e-21, "units": "m", "value": 5.29177210903e-11}, "atomic unit of mag. dipole mom.": {"symbol": [], "uncertainty": 5.6e-33, "units": "J/T", "value": 1.85480201566e-23}, "atomic unit of mag. flux density": {"symbol": [], "uncertainty": 7.1e-05, "units": "T", "value": 235051.75675799997}, "atomic unit of magnetizability": {"symbol": [], "uncertainty": 4.799999999999999e-38, "units": "J/T^2", "value": 7.8910366008e-29}, "atomic unit of mass": {"symbol": [], "uncertainty": 2.8e-40, "units": "kg", "value": 9.1093837015e-31}, "atomic unit of momentum": {"symbol": [], "uncertainty": 2.9999999999999996e-34, "units": "kg\u00b7m/s", "value": 1.9928519141e-24}, "atomic unit of permittivity": {"symbol": [], "uncertainty": 1.7000000000000002e-20, "units": "F/m", "value": 1.11265005545e-10}, "atomic unit of time": {"symbol": [], "uncertainty": 4.7e-29, "units": "s", "value": 2.4188843265857004e-17}, "atomic unit of velocity": {"symbol": [], "uncertainty": 0.00033, "units": "m/s", "value": 2187691.26364}, "characteristic impedance of vacuum": {"symbol": [], "uncertainty": 5.7e-08, "units": "ohm", "value": 376.730313668}, "classical electron radius": {"symbol": [], "uncertainty": 1.3000000000000002e-24, "units": "m", "value": 2.8179403262000004e-15}, "conductance quantum": {"symbol": [], "uncertainty": 0, "units": "S", "value": 7.748091729000002e-05}, "conventional value of Josephson constant": {"symbol": [], "uncertainty": 0, "units": "Hz/V", "value": 483597900000000.0}, "conventional value of ampere-90": {"symbol": [], "uncertainty": 0, "units": "A", "value": 1.00000008887}, "conventional value of coulomb-90": {"symbol": [], "uncertainty": 0, "units": "C", "value": 1.00000008887}, "conventional value of farad-90": {"symbol": [], "uncertainty": 0, "units": "F", "value": 0.9999999822}, "conventional value of henry-90": {"symbol": [], "uncertainty": 0, "units": "H", "value": 1.00000001779}, "conventional value of ohm-90": {"symbol": [], "uncertainty": 0, "units": "ohm", "value": 1.00000001779}, "conventional value of volt-90": {"symbol": [], "uncertainty": 0, "units": "V", "value": 1.00000010666}, "conventional value of von Klitzing constant": {"symbol": [], "uncertainty": 0, "units": "ohm", "value": 25812.807}, "conventional value of watt-90": {"symbol": [], "uncertainty": 0, "units": "W", "value": 1.00000019553}, "deuteron g factor": {"symbol": [], "uncertainty": 2.2e-09, "units": "", "value": 0.8574382338}, "deuteron mag. mom.": {"symbol": [], "uncertainty": 1.1e-35, "units": "J/T", "value": 4.330735094e-27}, "deuteron mag. mom. to Bohr magneton ratio": {"symbol": [], "uncertainty": 1.2000000000000001e-12, "units": "", "value": 0.000466975457}, "deuteron mag. mom. to nuclear magneton ratio": {"symbol": [], "uncertainty": 2.2e-09, "units": "", "value": 0.8574382338}, "deuteron mass": {"symbol": [], "uncertainty": 1.0000000000000001e-36, "units": "kg", "value": 3.3435837724e-27}, "deuteron mass energy equivalent": {"symbol": [], "uncertainty": 9.1e-20, "units": "J", "value": 3.00506323102e-10}, "deuteron mass energy equivalent in MeV": {"symbol": [], "uncertainty": 5.7e-07, "units": "MeV", "value": 1875.61294257}, "deuteron mass in u": {"symbol": [], "uncertainty": 4e-11, "units": "u", "value": 2.013553212745}, "deuteron molar mass": {"symbol": [], "uncertainty": 6.099999999999999e-13, "units": "kg/mol", "value": 0.0020135532120500003}, "deuteron relative atomic mass": {"symbol": [], "uncertainty": 4e-11, "units": "", "value": 2.013553212745}, "deuteron rms charge radius": {"symbol": [], "uncertainty": 7.4e-19, "units": "m", "value": 2.12799e-15}, "deuteron-electron mag. mom. ratio": {"symbol": [], "uncertainty": 1.2000000000000001e-12, "units": "", "value": -0.00046643455510000004}, "deuteron-electron mass ratio": {"symbol": [], "uncertainty": 1.3e-07, "units": "", "value": 3670.48296788}, "deuteron-neutron mag. mom. ratio": {"symbol": [], "uncertainty": 1.1e-07, "units": "", "value": -0.44820653}, "deuteron-proton mag. mom. ratio": {"symbol": [], "uncertainty": 7.9e-10, "units": "", "value": 0.30701220939}, "deuteron-proton mass ratio": {"symbol": [], "uncertainty": 1.1e-10, "units": "", "value": 1.99900750139}, "electron charge to mass quotient": {"symbol": [], "uncertainty": 53.0, "units": "C/kg", "value": -175882001076.0}, "electron g factor": {"symbol": [], "uncertainty": 3.5e-13, "units": "", "value": -2.00231930436256}, "electron gyromag. ratio": {"symbol": [], "uncertainty": 53.0, "units": "1/(s\u00b7T)", "value": 176085963023.0}, "electron gyromag. ratio in MHz/T": {"symbol": [], "uncertainty": 8.5e-06, "units": "MHz/T", "value": 28024.9514242}, "electron mag. mom.": {"symbol": [], "uncertainty": 2.7999999999999995e-33, "units": "J/T", "value": -9.2847647043e-24}, "electron mag. mom. anomaly": {"symbol": [], "uncertainty": 1.8e-13, "units": "", "value": 0.00115965218128}, "electron mag. mom. to Bohr magneton ratio": {"symbol": [], "uncertainty": 1.8e-13, "units": "", "value": -1.00115965218128}, "electron mag. mom. to nuclear magneton ratio": {"symbol": [], "uncertainty": 1.1e-07, "units": "", "value": -1838.28197188}, "electron mass": {"symbol": [], "uncertainty": 2.8e-40, "units": "kg", "value": 9.1093837015e-31}, "electron mass energy equivalent": {"symbol": [], "uncertainty": 2.5e-23, "units": "J", "value": 8.187105776899999e-14}, "electron mass energy equivalent in MeV": {"symbol": [], "uncertainty": 1.5e-10, "units": "MeV", "value": 0.51099895}, "electron mass in u": {"symbol": [], "uncertainty": 1.6e-14, "units": "u", "value": 0.000548579909065}, "electron molar mass": {"symbol": [], "uncertainty": 1.6999999999999998e-16, "units": "kg/mol", "value": 5.4857990888e-07}, "electron relative atomic mass": {"symbol": [], "uncertainty": 1.6e-14, "units": "", "value": 0.000548579909065}, "electron to alpha particle mass ratio": {"symbol": [], "uncertainty": 4.5000000000000005e-15, "units": "", "value": 0.00013709335547870002}, "electron to shielded helion mag. mom. ratio": {"symbol": [], "uncertainty": 1e-05, "units": "", "value": 864.058257}, "electron to shielded proton mag. mom. ratio": {"symbol": [], "uncertainty": 7.2e-06, "units": "", "value": -658.2275971}, "electron volt": {"symbol": [], "uncertainty": 0, "units": "J", "value": 1.6021766340000001e-19}, "electron volt-atomic mass unit relationship": {"symbol": [], "uncertainty": 3.2e-19, "units": "u", "value": 1.0735441023300001e-09}, "electron volt-hartree relationship": {"symbol": [], "uncertainty": 7.1e-14, "units": "E_h", "value": 0.036749322175655}, "electron volt-hertz relationship": {"symbol": [], "uncertainty": 0, "units": "Hz", "value": 241798924200000.0}, "electron volt-inverse meter relationship": {"symbol": [], "uncertainty": 0, "units": "1/m", "value": 806554.3936999999}, "electron volt-joule relationship": {"symbol": [], "uncertainty": 0, "units": "J", "value": 1.6021766340000001e-19}, "electron volt-kelvin relationship": {"symbol": [], "uncertainty": 0, "units": "K", "value": 11604.51812}, "electron volt-kilogram relationship": {"symbol": [], "uncertainty": 0, "units": "kg", "value": 1.782661921e-36}, "electron-deuteron mag. mom. ratio": {"symbol": [], "uncertainty": 5.6e-06, "units": "", "value": -2143.9234915}, "electron-deuteron mass ratio": {"symbol": [], "uncertainty": 9.600000000000001e-15, "units": "", "value": 0.00027244371074620005}, "electron-helion mass ratio": {"symbol": [], "uncertainty": 7.9e-15, "units": "", "value": 0.0001819543074573}, "electron-muon mag. mom. ratio": {"symbol": [], "uncertainty": 4.6e-06, "units": "", "value": 206.7669883}, "electron-muon mass ratio": {"symbol": [], "uncertainty": 1.1000000000000001e-10, "units": "", "value": 0.00483633169}, "electron-neutron mag. mom. ratio": {"symbol": [], "uncertainty": 0.00023, "units": "", "value": 960.9205}, "electron-neutron mass ratio": {"symbol": [], "uncertainty": 2.6e-13, "units": "", "value": 0.00054386734424}, "electron-proton mag. mom. ratio": {"symbol": [], "uncertainty": 2e-07, "units": "", "value": -658.21068789}, "electron-proton mass ratio": {"symbol": [], "uncertainty": 3.3e-14, "units": "", "value": 0.0005446170214870001}, "electron-tau mass ratio": {"symbol": [], "uncertainty": 1.9e-08, "units": "", "value": 0.000287585}, "electron-triton mass ratio": {"symbol": [], "uncertainty": 9.000000000000001e-15, "units": "", "value": 0.00018192000622510002}, "elementary charge": {"symbol": [], "uncertainty": 0, "units": "C", "value": 1.6021766340000001e-19}, "elementary charge over h-bar": {"symbol": [], "uncertainty": 0, "units": "A/J", "value": 1519267447000000.0}, "fine-structure constant": {"symbol": [], "uncertainty": 1.1e-12, "units": "", "value": 0.0072973525693}, "first radiation constant": {"symbol": [], "uncertainty": 0, "units": "W\u00b7m^2", "value": 3.7417718519999997e-16}, "first radiation constant for spectral radiance": {"symbol": [], "uncertainty": 0, "units": "W\u00b7m^2/sr", "value": 1.1910429719999999e-16}, "hartree-atomic mass unit relationship": {"symbol": [], "uncertainty": 8.8e-18, "units": "u", "value": 2.92126232205e-08}, "hartree-electron volt relationship": {"symbol": [], "uncertainty": 5.3e-11, "units": "eV", "value": 27.211386245988}, "hartree-hertz relationship": {"symbol": [], "uncertainty": 13000.0, "units": "Hz", "value": 6579683920502000.0}, "hartree-inverse meter relationship": {"symbol": [], "uncertainty": 4.3e-05, "units": "1/m", "value": 21947463.13632}, "hartree-joule relationship": {"symbol": [], "uncertainty": 8.500000000000001e-30, "units": "J", "value": 4.359744722207101e-18}, "hartree-kelvin relationship": {"symbol": [], "uncertainty": 6.1e-07, "units": "K", "value": 315775.02480407}, "hartree-kilogram relationship": {"symbol": [], "uncertainty": 9.4e-47, "units": "kg", "value": 4.8508702095432e-35}, "helion g factor": {"symbol": [], "uncertainty": 5e-08, "units": "", "value": -4.255250615}, "helion mag. mom.": {"symbol": [], "uncertainty": 1.3000000000000002e-34, "units": "J/T", "value": -1.0746175320000001e-26}, "helion mag. mom. to Bohr magneton ratio": {"symbol": [], "uncertainty": 1.4e-11, "units": "", "value": -0.0011587409580000002}, "helion mag. mom. to nuclear magneton ratio": {"symbol": [], "uncertainty": 2.5e-08, "units": "", "value": -2.127625307}, "helion mass": {"symbol": [], "uncertainty": 1.5e-36, "units": "kg", "value": 5.0064127796e-27}, "helion mass energy equivalent": {"symbol": [], "uncertainty": 1.4e-19, "units": "J", "value": 4.4995394125e-10}, "helion mass energy equivalent in MeV": {"symbol": [], "uncertainty": 8.5e-07, "units": "MeV", "value": 2808.39160743}, "helion mass in u": {"symbol": [], "uncertainty": 9.7e-11, "units": "u", "value": 3.014932247175}, "helion molar mass": {"symbol": [], "uncertainty": 9.1e-13, "units": "kg/mol", "value": 0.0030149322461299997}, "helion relative atomic mass": {"symbol": [], "uncertainty": 9.7e-11, "units": "", "value": 3.014932247175}, "helion shielding shift": {"symbol": [], "uncertainty": 1.0000000000000002e-10, "units": "", "value": 5.996743000000001e-05}, "helion-electron mass ratio": {"symbol": [], "uncertainty": 2.4e-07, "units": "", "value": 5495.88528007}, "helion-proton mass ratio": {"symbol": [], "uncertainty": 1.3e-10, "units": "", "value": 2.99315267167}, "hertz-atomic mass unit relationship": {"symbol": [], "uncertainty": 1.3e-33, "units": "u", "value": 4.4398216651999995e-24}, "hertz-electron volt relationship": {"symbol": [], "uncertainty": 0, "units": "eV", "value": 4.1356676959999996e-15}, "hertz-hartree relationship": {"symbol": [], "uncertainty": 2.9e-28, "units": "E_h", "value": 1.519829846057e-16}, "hertz-inverse meter relationship": {"symbol": [], "uncertainty": 0, "units": "1/m", "value": 3.335640951e-09}, "hertz-joule relationship": {"symbol": [], "uncertainty": 0, "units": "J", "value": 6.62607015e-34}, "hertz-kelvin relationship": {"symbol": [], "uncertainty": 0, "units": "K", "value": 4.7992430730000004e-11}, "hertz-kilogram relationship": {"symbol": [], "uncertainty": 0, "units": "kg", "value": 7.372497323000001e-51}, "hyperfine transition frequency of Cs-133": {"symbol": [], "uncertainty": 0, "units": "Hz", "value": 9192631770}, "inverse fine-structure constant": {"symbol": [], "uncertainty": 2.1e-08, "units": "", "value": 137.035999084}, "inverse meter-atomic mass unit relationship": {"symbol": [], "uncertainty": 4.0000000000000006e-25, "units": "u", "value": 1.3310250501000001e-15}, "inverse meter-electron volt relationship": {"symbol": [], "uncertainty": 0, "units": "eV", "value": 1.2398419839999998e-06}, "inverse meter-hartree relationship": {"symbol": [], "uncertainty": 8.8e-20, "units": "E_h", "value": 4.556335252912e-08}, "inverse meter-hertz relationship": {"symbol": [], "uncertainty": 0, "units": "Hz", "value": 299792458}, "inverse meter-joule relationship": {"symbol": [], "uncertainty": 0, "units": "J", "value": 1.9864458570000002e-25}, "inverse meter-kelvin relationship": {"symbol": [], "uncertainty": 0, "units": "K", "value": 0.01438776877}, "inverse meter-kilogram relationship": {"symbol": [], "uncertainty": 0, "units": "kg", "value": 2.210219094e-42}, "inverse of conductance quantum": {"symbol": [], 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constant": {"symbol": [], "uncertainty": 0, "units": "J/(mol\u00b7K)", "value": 8.314462618}, "molar mass constant": {"symbol": [], "uncertainty": 3e-13, "units": "kg/mol", "value": 0.00099999999965}, "molar mass of carbon-12": {"symbol": [], "uncertainty": 3.6e-12, "units": "kg/mol", "value": 0.0119999999958}, "molar volume of ideal gas (273.15 K, 100 kPa)": {"symbol": [], "uncertainty": 0, "units": "m^3/mol", "value": 0.02271095464}, "molar volume of ideal gas (273.15 K, 101.325 kPa)": {"symbol": [], "uncertainty": 0, "units": "m^3/mol", "value": 0.022413969540000002}, "molar volume of silicon": {"symbol": [], "uncertainty": 6e-13, "units": "m^3/mol", "value": 1.2058831990000002e-05}, "muon Compton wavelength": {"symbol": [], "uncertainty": 2.6e-22, "units": "m", "value": 1.17344411e-14}, "muon g factor": {"symbol": [], "uncertainty": 1.3e-09, "units": "", "value": -2.0023318418}, "muon mag. mom.": {"symbol": [], "uncertainty": 1e-33, "units": "J/T", "value": -4.4904483e-26}, "muon 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mom.": {"symbol": [], "uncertainty": 2.3000000000000002e-33, "units": "J/T", "value": -9.6623651e-27}, "neutron mag. mom. to Bohr magneton ratio": {"symbol": [], "uncertainty": 2.5e-10, "units": "", "value": -0.0010418756300000001}, "neutron mag. mom. to nuclear magneton ratio": {"symbol": [], "uncertainty": 4.5e-07, "units": "", "value": -1.91304273}, "neutron mass": {"symbol": [], "uncertainty": 9.500000000000001e-37, "units": "kg", "value": 1.67492749804e-27}, "neutron mass energy equivalent": {"symbol": [], "uncertainty": 8.6e-20, "units": "J", "value": 1.50534976287e-10}, "neutron mass energy equivalent in MeV": {"symbol": [], "uncertainty": 5.4e-07, "units": "MeV", "value": 939.56542052}, "neutron mass in u": {"symbol": [], "uncertainty": 4.9e-10, "units": "u", "value": 1.00866491595}, "neutron molar mass": {"symbol": [], "uncertainty": 5.7e-13, "units": "kg/mol", "value": 0.0010086649156000002}, "neutron relative atomic mass": {"symbol": [], "uncertainty": 4.9e-10, "units": "", 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difference in u": {"symbol": [], "uncertainty": 4.9e-10, "units": "u", "value": 0.0013884493300000001}, "neutron-proton mass ratio": {"symbol": [], "uncertainty": 4.9e-10, "units": "", "value": 1.00137841931}, "neutron-tau mass ratio": {"symbol": [], "uncertainty": 3.6e-05, "units": "", "value": 0.528779}, "nuclear magneton": {"symbol": [], "uncertainty": 1.5e-36, "units": "J/T", "value": 5.0507837460999996e-27}, "nuclear magneton in K/T": {"symbol": [], "uncertainty": 1.1e-13, "units": "K/T", "value": 0.00036582677756000003}, "nuclear magneton in MHz/T": {"symbol": [], "uncertainty": 2.3e-09, "units": "MHz/T", "value": 7.6225932291}, "nuclear magneton in eV/T": {"symbol": [], "uncertainty": 9.6e-18, "units": "eV/T", "value": 3.15245125844e-08}, "nuclear magneton in inverse meter per tesla": {"symbol": [], "uncertainty": 7.8e-12, "units": "1/(m\u00b7T)", "value": 0.0254262341353}, "proton Compton wavelength": {"symbol": [], "uncertainty": 4.0000000000000006e-25, "units": "m", "value": 1.3214098553900001e-15}, "proton charge to mass quotient": {"symbol": [], "uncertainty": 0.028999999999999998, "units": "C/kg", "value": 95788331.56}, "proton g factor": {"symbol": [], "uncertainty": 1.6e-09, "units": "", "value": 5.5856946893}, "proton gyromag. ratio": {"symbol": [], "uncertainty": 0.10999999999999999, "units": "1/(s\u00b7T)", "value": 267522187.44}, "proton gyromag. ratio in MHz/T": {"symbol": [], "uncertainty": 1.8e-08, "units": "MHz/T", "value": 42.577478518}, "proton mag. mom.": {"symbol": [], "uncertainty": 6e-36, "units": "J/T", "value": 1.4106067973600002e-26}, "proton mag. mom. to Bohr magneton ratio": {"symbol": [], "uncertainty": 4.600000000000001e-13, "units": "", "value": 0.0015210322023}, "proton mag. mom. to nuclear magneton ratio": {"symbol": [], "uncertainty": 8.2e-10, "units": "", "value": 2.79284734463}, "proton mag. shielding correction": {"symbol": [], "uncertainty": 1.1000000000000001e-08, "units": "", "value": 2.5689000000000004e-05}, "proton 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"proton-neutron mag. mom. ratio": {"symbol": [], "uncertainty": 3.4e-07, "units": "", "value": -1.45989805}, "proton-neutron mass ratio": {"symbol": [], "uncertainty": 4.9e-10, "units": "", "value": 0.99862347812}, "proton-tau mass ratio": {"symbol": [], "uncertainty": 3.6e-05, "units": "", "value": 0.528051}, "quantum of circulation": {"symbol": [], "uncertainty": 1.1e-13, "units": "m^2/s", "value": 0.00036369475516000003}, "quantum of circulation times 2": {"symbol": [], "uncertainty": 2.2e-13, "units": "m^2/s", "value": 0.0007273895103200001}, "reduced Compton wavelength": {"symbol": [], "uncertainty": 1.2e-22, "units": "m", "value": 3.8615926796000003e-13}, "reduced Planck constant": {"symbol": [], "uncertainty": 0, "units": "J\u00b7s", "value": 1.054571817e-34}, "reduced Planck constant in eV s": {"symbol": [], "uncertainty": 0, "units": "eV\u00b7s", "value": 6.582119568999999e-16}, "reduced Planck constant times c in MeV fm": {"symbol": [], "uncertainty": 0, "units": 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"units": "", "value": 0.001520993128}, "shielded proton mag. mom. to nuclear magneton ratio": {"symbol": [], "uncertainty": 3e-08, "units": "", "value": 2.792775599}, "shielding difference of d and p in HD": {"symbol": [], "uncertainty": 2.0000000000000002e-11, "units": "", "value": 2.0200000000000002e-08}, "shielding difference of t and p in HT": {"symbol": [], "uncertainty": 2.0000000000000002e-11, "units": "", "value": 2.4140000000000003e-08}, "speed of light in vacuum": {"symbol": [], "uncertainty": 0, "units": "m/s", "value": 299792458}, "standard acceleration of gravity": {"symbol": [], "uncertainty": 0, "units": "m/s^2", "value": 9.80665}, "standard atmosphere": {"symbol": [], "uncertainty": 0, "units": "Pa", "value": 101325}, "standard-state pressure": {"symbol": [], "uncertainty": 0, "units": "Pa", "value": 100000}, "tau Compton wavelength": {"symbol": [], "uncertainty": 4.6999999999999995e-20, "units": "m", "value": 6.97771e-16}, "tau energy equivalent": {"symbol": [], 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"value": 1.5046095202e-26}, "triton mag. mom. to Bohr magneton ratio": {"symbol": [], "uncertainty": 3.2e-12, "units": "", "value": 0.0016223936651}, "triton mag. mom. to nuclear magneton ratio": {"symbol": [], "uncertainty": 5.9e-09, "units": "", "value": 2.9789624656}, "triton mass": {"symbol": [], "uncertainty": 1.5e-36, "units": "kg", "value": 5.0073567446e-27}, "triton mass energy equivalent": {"symbol": [], "uncertainty": 1.4e-19, "units": "J", "value": 4.5003878060000003e-10}, "triton mass energy equivalent in MeV": {"symbol": [], "uncertainty": 8.5e-07, "units": "MeV", "value": 2808.92113298}, "triton mass in u": {"symbol": [], "uncertainty": 1.2e-10, "units": "u", "value": 3.01550071621}, "triton molar mass": {"symbol": [], "uncertainty": 9.200000000000001e-13, "units": "kg/mol", "value": 0.00301550071517}, "triton relative atomic mass": {"symbol": [], "uncertainty": 1.2e-10, "units": "", "value": 3.01550071621}, "triton to proton mag. mom. ratio": {"symbol": [], 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