| physical_constants |
{'Wien displacement law constant': (0.0028977685, 'm K', 5.1e-09), 'atomic unit of 1st hyperpolarizablity': (3.20636151e-53, 'C^3 m^3 J^-2', 2.8e-60), 'atomic unit of 2nd hyperpolarizablity': (6.2353808e-65, 'C^4 m^4 J^-3', 1.1e-71), 'atomic unit of electric dipole moment': (8.47835309e-30, 'C m', 7.3e-37), 'atomic unit of electric polarizablity': (1.648777274e-41, 'C^2 m^2 J^-1', 1.6e-49), 'atomic unit of electric quadrupole moment': (4.48655124e-40, 'C m^2', 3.9e-47), 'atomic unit of magn. dipole moment': (1.8548019e-23, 'J T^-1', 1.6e-30), 'atomic unit of magn. flux density': (235051.756758, 'T', 7.1e-05), 'deuteron magn. moment': (4.33073482e-27, 'J T^-1', 3.8e-34), 'deuteron magn. moment to Bohr magneton ratio': (0.0004669754567, '', 5e-12), 'deuteron magn. moment to nuclear magneton ratio': (0.8574382329, '', 9.2e-09), 'deuteron-electron magn. moment ratio': (-0.0004664345548, '', 5e-12), 'deuteron-proton magn. moment ratio': (0.3070122084, '', 4.5e-09), 'deuteron-neutron magn. moment ratio': (-0.44820652, '', 1.1e-07), 'electron gyromagn. ratio': (176085963023.0, 's^-1 T^-1', 53.0), 'electron gyromagn. ratio over 2 pi': (28024.9532, 'MHz T^-1', 0.0024), 'electron magn. moment': (-9.28476412e-24, 'J T^-1', 8e-31), 'electron magn. moment to Bohr magneton ratio': (-1.0011596521859, '', 3.8e-12), 'electron magn. moment to nuclear magneton ratio': (-1838.28197107, '', 8.5e-07), 'electron magn. moment anomaly': (0.0011596521859, '', 3.8e-12), 'electron to shielded proton magn. moment ratio': (-658.2275956, '', 7.1e-06), 'electron to shielded helion magn. moment ratio': (864.058255, '', 1e-05), 'electron-deuteron magn. moment ratio': (-2143.923493, '', 2.3e-05), 'electron-muon magn. moment ratio': (206.7669894, '', 5.4e-06), 'electron-neutron magn. moment ratio': (960.9205, '', 0.00023), 'electron-proton magn. moment ratio': (-658.2106862, '', 6.6e-06), 'magn. constant': (1.2566370614e-06, 'N A^-2', 0.0), 'magn. flux quantum': (2.067833848e-15, 'Wb', 0.0), 'muon magn. moment': (-4.49044799e-26, 'J T^-1', 4e-33), 'muon magn. moment to Bohr magneton ratio': (-0.00484197045, '', 1.3e-10), 'muon magn. moment to nuclear magneton ratio': (-8.89059698, '', 2.3e-07), 'muon-proton magn. moment ratio': (-3.183345118, '', 8.9e-08), 'neutron gyromagn. ratio': (183247171.0, 's^-1 T^-1', 43.0), 'neutron gyromagn. ratio over 2 pi': (29.164695, 'MHz T^-1', 7.3e-06), 'neutron magn. moment': (-9.6623645e-27, 'J T^-1', 2.4e-33), 'neutron magn. moment to Bohr magneton ratio': (-0.00104187563, '', 2.5e-10), 'neutron magn. moment to nuclear magneton ratio': (-1.91304273, '', 4.5e-07), 'neutron to shielded proton magn. moment ratio': (-0.68499694, '', 1.6e-07), 'neutron-electron magn. moment ratio': (0.00104066882, '', 2.5e-10), 'neutron-proton magn. moment ratio': (-0.68497934, '', 1.6e-07), 'proton gyromagn. ratio': (267522187.44, 's^-1 T^-1', 0.11), 'proton gyromagn. ratio over 2 pi': (42.5774813, 'MHz T^-1', 3.7e-06), 'proton magn. moment': (1.41060671e-26, 'J T^-1', 1.2e-33), 'proton magn. moment to Bohr magneton ratio': (0.001521032206, '', 1.5e-11), 'proton magn. moment to nuclear magneton ratio': (2.792847351, '', 2.8e-08), 'proton magn. shielding correction': (2.5689e-05, '', 1.1e-08), 'proton-neutron magn. moment ratio': (-1.45989805, '', 3.4e-07), 'shielded helion gyromagn. ratio': (203789456.9, 's^-1 T^-1', 2.4), 'shielded helion gyromagn. ratio over 2 pi': (32.4341015, 'MHz T^-1', 2.8e-06), 'shielded helion magn. moment': (-1.074553024e-26, 'J T^-1', 9.3e-34), 'shielded helion magn. moment to Bohr magneton ratio': (-0.001158671474, '', 1.4e-11), 'shielded helion magn. moment to nuclear magneton ratio': (-2.127497723, '', 2.5e-08), 'shielded helion to proton magn. moment ratio': (-0.761766562, '', 1.2e-08), 'shielded helion to shielded proton magn. moment ratio': (-0.7617861313, '', 3.3e-09), 'shielded proton magn. moment': (1.41057047e-26, 'J T^-1', 1.2e-33), 'shielded proton magn. moment to Bohr magneton ratio': (0.001520993132, '', 1.6e-11), 'shielded proton magn. moment to nuclear magneton ratio': (2.792775604, '', 3e-08), '{220} lattice spacing of silicon': (1.920155714e-10, 'm', 3.2e-18), 'lattice spacing of silicon': (1.920155762e-10, 'm', 5e-18), 'alpha particle-electron mass ratio': (7294.29954142, '', 2.4e-07), 'alpha particle mass': (6.6446573357e-27, 'kg', 2e-36), 'alpha particle mass energy equivalent': (5.9719201914e-10, 'J', 1.8e-19), 'alpha particle mass energy equivalent in MeV': (3727.3794066, 'MeV', 1.1e-06), 'alpha particle mass in u': (4.001506179127, 'u', 6.3e-11), 'alpha particle molar mass': (0.0040015061777, 'kg mol^-1', 1.2e-12), 'alpha particle-proton mass ratio': (3.97259969009, '', 2.2e-10), 'Angstrom star': (1.00001495e-10, 'm', 9e-17), 'atomic mass constant': (1.6605390666e-27, 'kg', 5e-37), 'atomic mass constant energy equivalent': (1.4924180856e-10, 'J', 4.5e-20), 'atomic mass constant energy equivalent in MeV': (931.49410242, 'MeV', 2.8e-07), 'atomic mass unit-electron volt relationship': (931494102.42, 'eV', 0.28), 'atomic mass unit-hartree relationship': (34231776.874, 'E_h', 0.01), 'atomic mass unit-hertz relationship': (2.25234271871e+23, 'Hz', 68000000000000.0), 'atomic mass unit-inverse meter relationship': (751300661040000.0, 'm^-1', 230000.0), 'atomic mass unit-joule relationship': (1.4924180856e-10, 'J', 4.5e-20), 'atomic mass unit-kelvin relationship': (10809540191600.0, 'K', 3300.0), 'atomic mass unit-kilogram relationship': (1.6605390666e-27, 'kg', 5e-37), 'atomic unit of 1st hyperpolarizability': (3.2063613061e-53, 'C^3 m^3 J^-2', 1.5e-62), 'atomic unit of 2nd hyperpolarizability': (6.2353799905e-65, 'C^4 m^4 J^-3', 3.8e-74), 'atomic unit of action': (1.054571817e-34, 'J s', 0.0), 'atomic unit of charge': (1.602176634e-19, 'C', 0.0), 'atomic unit of charge density': (1081202384570.0, 'C m^-3', 490.0), 'atomic unit of current': (0.00662361823751, 'A', 1.3e-14), 'atomic unit of electric dipole mom.': (8.4783536255e-30, 'C m', 1.3e-39), 'atomic unit of electric field': (514220674763.0, 'V m^-1', 78.0), 'atomic unit of electric field gradient': (9.7173624292e+21, 'V m^-2', 2900000000000.0), 'atomic unit of electric polarizability': (1.64877727436e-41, 'C^2 m^2 J^-1', 5e-51), 'atomic unit of electric potential': (27.211386245988, 'V', 5.3e-11), 'atomic unit of electric quadrupole mom.': (4.4865515246e-40, 'C m^2', 1.4e-49), 'atomic unit of energy': (4.3597447222071e-18, 'J', 8.5e-30), 'atomic unit of force': (8.2387234983e-08, 'N', 1.2e-17), 'atomic unit of length': (5.29177210903e-11, 'm', 8e-21), 'atomic unit of mag. dipole mom.': (1.85480201566e-23, 'J T^-1', 5.6e-33), 'atomic unit of mag. flux density': (235051.756758, 'T', 7.1e-05), 'atomic unit of magnetizability': (7.8910366008e-29, 'J T^-2', 4.8e-38), 'atomic unit of mass': (9.1093837015e-31, 'kg', 2.8e-40), 'atomic unit of momentum': (1.9928519141e-24, 'kg m s^-1', 3e-34), 'atomic unit of permittivity': (1.11265005545e-10, 'F m^-1', 1.7e-20), 'atomic unit of time': (2.4188843265857e-17, 's', 4.7e-29), 'atomic unit of velocity': (2187691.26364, 'm s^-1', 0.00033), 'Avogadro constant': (6.02214076e+23, 'mol^-1', 0.0), 'Bohr magneton': (9.2740100783e-24, 'J T^-1', 2.8e-33), 'Bohr magneton in eV/T': (5.788381806e-05, 'eV T^-1', 1.7e-14), 'Bohr magneton in Hz/T': (13996244936.1, 'Hz T^-1', 4.2), 'Bohr magneton in inverse meters per tesla': (46.68644814, 'm^-1 T^-1', 2.9e-07), 'Bohr magneton in K/T': (0.67171381563, 'K T^-1', 2e-10), 'Bohr radius': (5.29177210903e-11, 'm', 8e-21), 'Boltzmann constant': (1.380649e-23, 'J K^-1', 0.0), 'Boltzmann constant in eV/K': (8.617333262e-05, 'eV K^-1', 0.0), 'Boltzmann constant in Hz/K': (20836619120.0, 'Hz K^-1', 0.0), 'Boltzmann constant in inverse meters per kelvin': (69.503457, 'm^-1 K^-1', 4e-05), 'characteristic impedance of vacuum': (376.73031366686166, 'ohm', 5.61366546036269e-08), 'classical electron radius': (2.8179403262e-15, 'm', 1.3e-24), 'Compton wavelength': (2.42631023867e-12, 'm', 7.3e-22), 'Compton wavelength over 2 pi': (3.8615926764e-13, 'm', 1.8e-22), 'conductance quantum': (7.748091729e-05, 'S', 0.0), 'conventional value of Josephson constant': (483597900000000.0, 'Hz V^-1', 0.0), 'conventional value of von Klitzing constant': (25812.807, 'ohm', 0.0), 'Cu x unit': (1.00207697e-13, 'm', 2.8e-20), 'deuteron-electron mag. mom. ratio': (-0.0004664345551, '', 1.2e-12), 'deuteron-electron mass ratio': (3670.48296788, '', 1.3e-07), 'deuteron g factor': (0.8574382338, '', 2.2e-09), 'deuteron mag. mom.': (4.330735094e-27, 'J T^-1', 1.1e-35), 'deuteron mag. mom. to Bohr magneton ratio': (0.000466975457, '', 1.2e-12), 'deuteron mag. mom. to nuclear magneton ratio': (0.8574382338, '', 2.2e-09), 'deuteron mass': (3.3435837724e-27, 'kg', 1e-36), 'deuteron mass energy equivalent': (3.00506323102e-10, 'J', 9.1e-20), 'deuteron mass energy equivalent in MeV': (1875.61294257, 'MeV', 5.7e-07), 'deuteron mass in u': (2.013553212745, 'u', 4e-11), 'deuteron molar mass': (0.00201355321205, 'kg mol^-1', 6.1e-13), 'deuteron-neutron mag. mom. ratio': (-0.44820653, '', 1.1e-07), 'deuteron-proton mag. mom. ratio': (0.30701220939, '', 7.9e-10), 'deuteron-proton mass ratio': (1.99900750139, '', 1.1e-10), 'deuteron rms charge radius': (2.12799e-15, 'm', 7.4e-19), 'electric constant': (8.8541878128e-12, 'F m^-1', 1.3e-21), 'electron charge to mass quotient': (-175882001076.0, 'C kg^-1', 53.0), 'electron-deuteron mag. mom. ratio': (-2143.9234915, '', 5.6e-06), 'electron-deuteron mass ratio': (0.0002724437107462, '', 9.6e-15), 'electron g factor': (-2.00231930436256, '', 3.5e-13), 'electron gyromag. ratio': (176085963023.0, 's^-1 T^-1', 53.0), 'electron gyromag. ratio over 2 pi': (28024.95164, 'MHz T^-1', 0.00017), 'electron mag. mom.': (-9.2847647043e-24, 'J T^-1', 2.8e-33), 'electron mag. mom. anomaly': (0.00115965218128, '', 1.8e-13), 'electron mag. mom. to Bohr magneton ratio': (-1.00115965218128, '', 1.8e-13), 'electron mag. mom. to nuclear magneton ratio': (-1838.28197188, '', 1.1e-07), 'electron mass': (9.1093837015e-31, 'kg', 2.8e-40), 'electron mass energy equivalent': (8.1871057769e-14, 'J', 2.5e-23), 'electron mass energy equivalent in MeV': (0.51099895, 'MeV', 1.5e-10), 'electron mass in u': (0.000548579909065, 'u', 1.6e-14), 'electron molar mass': (5.4857990888e-07, 'kg mol^-1', 1.7e-16), 'electron-muon mag. mom. ratio': (206.7669883, '', 4.6e-06), 'electron-muon mass ratio': (0.00483633169, '', 1.1e-10), 'electron-neutron mag. mom. ratio': (960.9205, '', 0.00023), 'electron-neutron mass ratio': (0.00054386734424, '', 2.6e-13), 'electron-proton mag. mom. ratio': (-658.21068789, '', 2e-07), 'electron-proton mass ratio': (0.000544617021487, '', 3.3e-14), 'electron-tau mass ratio': (0.000287585, '', 1.9e-08), 'electron to alpha particle mass ratio': (0.0001370933554787, '', 4.5e-15), 'electron to shielded helion mag. mom. ratio': (864.058257, '', 1e-05), 'electron to shielded proton mag. mom. ratio': (-658.2275971, '', 7.2e-06), 'electron volt': (1.602176634e-19, 'J', 0.0), 'electron volt-atomic mass unit relationship': (1.07354410233e-09, 'u', 3.2e-19), 'electron volt-hartree relationship': (0.036749322175655, 'E_h', 7.1e-14), 'electron volt-hertz relationship': (241798924200000.0, 'Hz', 0.0), 'electron volt-inverse meter relationship': (806554.3937, 'm^-1', 0.0), 'electron volt-joule relationship': (1.602176634e-19, 'J', 0.0), 'electron volt-kelvin relationship': (11604.51812, 'K', 0.0), 'electron volt-kilogram relationship': (1.782661921e-36, 'kg', 0.0), 'elementary charge': (1.602176634e-19, 'C', 0.0), 'elementary charge over h': (241798926200000.0, 'A J^-1', 1500000.0), 'Faraday constant': (96485.33212, 'C mol^-1', 0.0), 'Faraday constant for conventional electric current': (96485.3251, 'C_90 mol^-1', 0.0012), 'Fermi coupling constant': (1.1663787e-05, 'GeV^-2', 6e-12), 'fine-structure constant': (0.0072973525693, '', 1.1e-12), 'first radiation constant': (3.741771852e-16, 'W m^2', 0.0), 'first radiation constant for spectral radiance': (1.191042972e-16, 'W m^2 sr^-1', 0.0), 'hartree-atomic mass unit relationship': (2.92126232205e-08, 'u', 8.8e-18), 'hartree-electron volt relationship': (27.211386245988, 'eV', 5.3e-11), 'Hartree energy': (4.3597447222071e-18, 'J', 8.5e-30), 'Hartree energy in eV': (27.211386245988, 'eV', 5.3e-11), 'hartree-hertz relationship': (6579683920502000.0, 'Hz', 13000.0), 'hartree-inverse meter relationship': (21947463.13632, 'm^-1', 4.3e-05), 'hartree-joule relationship': (4.3597447222071e-18, 'J', 8.5e-30), 'hartree-kelvin relationship': (315775.02480407, 'K', 6.1e-07), 'hartree-kilogram relationship': (4.8508702095432e-35, 'kg', 9.4e-47), 'helion-electron mass ratio': (5495.88528007, '', 2.4e-07), 'helion mass': (5.0064127796e-27, 'kg', 1.5e-36), 'helion mass energy equivalent': (4.4995394125e-10, 'J', 1.4e-19), 'helion mass energy equivalent in MeV': (2808.39160743, 'MeV', 8.5e-07), 'helion mass in u': (3.014932247175, 'u', 9.7e-11), 'helion molar mass': (0.00301493224613, 'kg mol^-1', 9.1e-13), 'helion-proton mass ratio': (2.99315267167, '', 1.3e-10), 'hertz-atomic mass unit relationship': (4.4398216652e-24, 'u', 1.3e-33), 'hertz-electron volt relationship': (4.135667696e-15, 'eV', 0.0), 'hertz-hartree relationship': (1.519829846057e-16, 'E_h', 2.9e-28), 'hertz-inverse meter relationship': (3.3356409519815204e-09, 'm^-1', 0.0), 'hertz-joule relationship': (6.62607015e-34, 'J', 0.0), 'hertz-kelvin relationship': (4.799243073e-11, 'K', 0.0), 'hertz-kilogram relationship': (7.372497323e-51, 'kg', 0.0), 'inverse fine-structure constant': (137.035999084, '', 2.1e-08), 'inverse meter-atomic mass unit relationship': (1.3310250501e-15, 'u', 4e-25), 'inverse meter-electron volt relationship': (1.239841984e-06, 'eV', 0.0), 'inverse meter-hartree relationship': (4.556335252912e-08, 'E_h', 8.8e-20), 'inverse meter-hertz relationship': (299792458.0, 'Hz', 0.0), 'inverse meter-joule relationship': (1.986445857e-25, 'J', 0.0), 'inverse meter-kelvin relationship': (0.01438776877, 'K', 0.0), 'inverse meter-kilogram relationship': (2.210219094e-42, 'kg', 0.0), 'inverse of conductance quantum': (12906.40372, 'ohm', 0.0), 'Josephson constant': (483597848400000.0, 'Hz V^-1', 0.0), 'joule-atomic mass unit relationship': (6700535256.5, 'u', 2.0), 'joule-electron volt relationship': (6.241509074e+18, 'eV', 0.0), 'joule-hartree relationship': (2.2937122783963e+17, 'E_h', 450000.0), 'joule-hertz relationship': (1.509190179e+33, 'Hz', 0.0), 'joule-inverse meter relationship': (5.034116567e+24, 'm^-1', 0.0), 'joule-kelvin relationship': (7.242970516e+22, 'K', 0.0), 'joule-kilogram relationship': (1.1126500560536185e-17, 'kg', 0.0), 'kelvin-atomic mass unit relationship': (9.2510873014e-14, 'u', 2.8e-23), 'kelvin-electron volt relationship': (8.617333262e-05, 'eV', 0.0), 'kelvin-hartree relationship': (3.1668115634556e-06, 'E_h', 6.1e-18), 'kelvin-hertz relationship': (20836619120.0, 'Hz', 0.0), 'kelvin-inverse meter relationship': (69.50348004, 'm^-1', 0.0), 'kelvin-joule relationship': (1.380649e-23, 'J', 0.0), 'kelvin-kilogram relationship': (1.536179187e-40, 'kg', 0.0), 'kilogram-atomic mass unit relationship': (6.0221407621e+26, 'u', 1.8e+17), 'kilogram-electron volt relationship': (5.609588603e+35, 'eV', 0.0), 'kilogram-hartree relationship': (2.0614857887409e+34, 'E_h', 4e+22), 'kilogram-hertz relationship': (1.356392489e+50, 'Hz', 0.0), 'kilogram-inverse meter relationship': (4.524438335e+41, 'm^-1', 0.0), 'kilogram-joule relationship': (8.987551787368176e+16, 'J', 0.0), 'kilogram-kelvin relationship': (6.50965726e+39, 'K', 0.0), 'lattice parameter of silicon': (5.431020511e-10, 'm', 8.9e-18), 'Loschmidt constant (273.15 K, 101.325 kPa)': (2.686780111e+25, 'm^-3', 0.0), 'mag. constant': (1.25663706212e-06, 'N A^-2', 1.9e-16), 'mag. flux quantum': (2.067833848e-15, 'Wb', 0.0), 'molar gas constant': (8.314462618, 'J mol^-1 K^-1', 0.0), 'molar mass constant': (0.00099999999965, 'kg mol^-1', 3e-13), 'molar mass of carbon-12': (0.0119999999958, 'kg mol^-1', 3.6e-12), 'molar Planck constant': (3.990312712e-10, 'J Hz^-1 mol^-1', 0.0), 'molar Planck constant times c': (0.119626565582, 'J m mol^-1', 5.4e-11), 'molar volume of ideal gas (273.15 K, 100 kPa)': (0.02271095464, 'm^3 mol^-1', 0.0), 'molar volume of ideal gas (273.15 K, 101.325 kPa)': (0.02241396954, 'm^3 mol^-1', 0.0), 'molar volume of silicon': (1.205883199e-05, 'm^3 mol^-1', 6e-13), 'Mo x unit': (1.00209952e-13, 'm', 5.3e-20), 'muon Compton wavelength': (1.17344411e-14, 'm', 2.6e-22), 'muon Compton wavelength over 2 pi': (1.867594308e-15, 'm', 4.2e-23), 'muon-electron mass ratio': (206.768283, '', 4.6e-06), 'muon g factor': (-2.0023318418, '', 1.3e-09), 'muon mag. mom.': (-4.4904483e-26, 'J T^-1', 1e-33), 'muon mag. mom. anomaly': (0.00116592089, '', 6.3e-10), 'muon mag. mom. to Bohr magneton ratio': (-0.00484197047, '', 1.1e-10), 'muon mag. mom. to nuclear magneton ratio': (-8.89059703, '', 2e-07), 'muon mass': (1.883531627e-28, 'kg', 4.2e-36), 'muon mass energy equivalent': (1.692833804e-11, 'J', 3.8e-19), 'muon mass energy equivalent in MeV': (105.6583755, 'MeV', 2.3e-06), 'muon mass in u': (0.1134289259, 'u', 2.5e-09), 'muon molar mass': (0.0001134289259, 'kg mol^-1', 2.5e-12), 'muon-neutron mass ratio': (0.112454517, '', 2.5e-09), 'muon-proton mag. mom. ratio': (-3.183345142, '', 7.1e-08), 'muon-proton mass ratio': (0.1126095264, '', 2.5e-09), 'muon-tau mass ratio': (0.0594635, '', 4e-06), 'natural unit of action': (1.054571817e-34, 'J s', 0.0), 'natural unit of action in eV s': (6.582119569e-16, 'eV s', 0.0), 'natural unit of energy': (8.1871057769e-14, 'J', 2.5e-23), 'natural unit of energy in MeV': (0.51099895, 'MeV', 1.5e-10), 'natural unit of length': (3.8615926796e-13, 'm', 1.2e-22), 'natural unit of mass': (9.1093837015e-31, 'kg', 2.8e-40), 'natural unit of momentum': (2.730924488e-22, 'kg m s^-1', 3.4e-30), 'natural unit of momentum in MeV/c': (0.5109989461, 'MeV/c', 3.1e-09), 'natural unit of time': (1.28808866819e-21, 's', 3.9e-31), 'natural unit of velocity': (299792458.0, 'm s^-1', 0.0), 'neutron Compton wavelength': (1.31959090581e-15, 'm', 7.5e-25), 'neutron Compton wavelength over 2 pi': (2.1001941536e-16, 'm', 1.4e-25), 'neutron-electron mag. mom. ratio': (0.00104066882, '', 2.5e-10), 'neutron-electron mass ratio': (1838.68366173, '', 8.9e-07), 'neutron g factor': (-3.82608545, '', 9e-07), 'neutron gyromag. ratio': (183247171.0, 's^-1 T^-1', 43.0), 'neutron gyromag. ratio over 2 pi': (29.1646933, 'MHz T^-1', 6.9e-06), 'neutron mag. mom.': (-9.6623651e-27, 'J T^-1', 2.3e-33), 'neutron mag. mom. to Bohr magneton ratio': (-0.00104187563, '', 2.5e-10), 'neutron mag. mom. to nuclear magneton ratio': (-1.91304273, '', 4.5e-07), 'neutron mass': (1.67492749804e-27, 'kg', 9.5e-37), 'neutron mass energy equivalent': (1.50534976287e-10, 'J', 8.6e-20), 'neutron mass energy equivalent in MeV': (939.56542052, 'MeV', 5.4e-07), 'neutron mass in u': (1.00866491595, 'u', 4.9e-10), 'neutron molar mass': (0.0010086649156, 'kg mol^-1', 5.7e-13), 'neutron-muon mass ratio': (8.89248406, '', 2e-07), 'neutron-proton mag. mom. ratio': (-0.68497934, '', 1.6e-07), 'neutron-proton mass ratio': (1.00137841931, '', 4.9e-10), 'neutron-tau mass ratio': (0.528779, '', 3.6e-05), 'neutron to shielded proton mag. mom. ratio': (-0.68499694, '', 1.6e-07), 'Newtonian constant of gravitation': (6.6743e-11, 'm^3 kg^-1 s^-2', 1.5e-15), 'Newtonian constant of gravitation over h-bar c': (6.70883e-39, '(GeV/c^2)^-2', 1.5e-43), 'nuclear magneton': (5.0507837461e-27, 'J T^-1', 1.5e-36), 'nuclear magneton in eV/T': (3.15245125844e-08, 'eV T^-1', 9.6e-18), 'nuclear magneton in inverse meters per tesla': (0.02542623432, 'm^-1 T^-1', 1.6e-10), 'nuclear magneton in K/T': (0.00036582677756, 'K T^-1', 1.1e-13), 'nuclear magneton in MHz/T': (7.6225932291, 'MHz T^-1', 2.3e-09), 'Planck constant': (6.62607015e-34, 'J Hz^-1', 0.0), 'Planck constant in eV s': (4.135667662e-15, 'eV s', 2.5e-23), 'Planck constant over 2 pi': (1.0545718e-34, 'J s', 1.3e-42), 'Planck constant over 2 pi in eV s': (6.582119514e-16, 'eV s', 4e-24), 'Planck constant over 2 pi times c in MeV fm': (197.3269788, 'MeV fm', 1.2e-06), 'Planck length': (1.616255e-35, 'm', 1.8e-40), 'Planck mass': (2.176434e-08, 'kg', 2.4e-13), 'Planck mass energy equivalent in GeV': (1.22089e+19, 'GeV', 140000000000000.0), 'Planck temperature': (1.416784e+32, 'K', 1.6e+27), 'Planck time': (5.391247e-44, 's', 6e-49), 'proton charge to mass quotient': (95788331.56, 'C kg^-1', 0.029), 'proton Compton wavelength': (1.32140985539e-15, 'm', 4e-25), 'proton Compton wavelength over 2 pi': (2.10308910109e-16, 'm', 9.7e-26), 'proton-electron mass ratio': (1836.15267343, '', 1.1e-07), 'proton g factor': (5.5856946893, '', 1.6e-09), 'proton gyromag. ratio': (267522187.44, 's^-1 T^-1', 0.11), 'proton gyromag. ratio over 2 pi': (42.57747892, 'MHz T^-1', 2.9e-07), 'proton mag. mom.': (1.41060679736e-26, 'J T^-1', 6e-36), 'proton mag. mom. to Bohr magneton ratio': (0.0015210322023, '', 4.6e-13), 'proton mag. mom. to nuclear magneton ratio': (2.79284734463, '', 8.2e-10), 'proton mag. shielding correction': (2.5689e-05, '', 1.1e-08), 'proton mass': (1.67262192369e-27, 'kg', 5.1e-37), 'proton mass energy equivalent': (1.50327761598e-10, 'J', 4.6e-20), 'proton mass energy equivalent in MeV': (938.27208816, 'MeV', 2.9e-07), 'proton mass in u': (1.007276466621, 'u', 5.3e-11), 'proton molar mass': (0.00100727646627, 'kg mol^-1', 3.1e-13), 'proton-muon mass ratio': (8.88024337, '', 2e-07), 'proton-neutron mag. mom. ratio': (-1.45989805, '', 3.4e-07), 'proton-neutron mass ratio': (0.99862347812, '', 4.9e-10), 'proton rms charge radius': (8.414e-16, 'm', 1.9e-18), 'proton-tau mass ratio': (0.528051, '', 3.6e-05), 'quantum of circulation': (0.00036369475516, 'm^2 s^-1', 1.1e-13), 'quantum of circulation times 2': (0.00072738951032, 'm^2 s^-1', 2.2e-13), 'Rydberg constant': (10973731.56816, 'm^-1', 2.1e-05), 'Rydberg constant times c in Hz': (3289841960250800.0, 'Hz', 6400.0), 'Rydberg constant times hc in eV': (13.605693122994, 'eV', 2.6e-11), 'Rydberg constant times hc in J': (2.1798723611035e-18, 'J', 4.2e-30), 'Sackur-Tetrode constant (1 K, 100 kPa)': (-1.15170753706, '', 4.5e-10), 'Sackur-Tetrode constant (1 K, 101.325 kPa)': (-1.16487052358, '', 4.5e-10), 'second radiation constant': (0.01438776877, 'm K', 0.0), 'shielded helion gyromag. ratio': (203789456.9, 's^-1 T^-1', 2.4), 'shielded helion gyromag. ratio over 2 pi': (32.43409966, 'MHz T^-1', 4.3e-07), 'shielded helion mag. mom.': (-1.07455309e-26, 'J T^-1', 1.3e-34), 'shielded helion mag. mom. to Bohr magneton ratio': (-0.001158671471, '', 1.4e-11), 'shielded helion mag. mom. to nuclear magneton ratio': (-2.127497719, '', 2.5e-08), 'shielded helion to proton mag. mom. ratio': (-0.7617665618, '', 8.9e-09), 'shielded helion to shielded proton mag. mom. ratio': (-0.7617861313, '', 3.3e-09), 'shielded proton gyromag. ratio': (267515315.1, 's^-1 T^-1', 2.9), 'shielded proton gyromag. ratio over 2 pi': (42.57638507, 'MHz T^-1', 5.3e-07), 'shielded proton mag. mom.': (1.41057056e-26, 'J T^-1', 1.5e-34), 'shielded proton mag. mom. to Bohr magneton ratio': (0.001520993128, '', 1.7e-11), 'shielded proton mag. mom. to nuclear magneton ratio': (2.792775599, '', 3e-08), 'speed of light in vacuum': (299792458.0, 'm s^-1', 0.0), 'standard acceleration of gravity': (9.80665, 'm s^-2', 0.0), 'standard atmosphere': (101325.0, 'Pa', 0.0), 'Stefan-Boltzmann constant': (5.670374419e-08, 'W m^-2 K^-4', 0.0), 'tau Compton wavelength': (6.97771e-16, 'm', 4.7e-20), 'tau Compton wavelength over 2 pi': (1.11056e-16, 'm', 1e-20), 'tau-electron mass ratio': (3477.23, '', 0.23), 'tau mass': (3.16754e-27, 'kg', 2.1e-31), 'tau mass energy equivalent': (2.84684e-10, 'J', 1.9e-14), 'tau mass energy equivalent in MeV': (1776.82, 'MeV', 0.16), 'tau mass in u': (1.90754, 'u', 0.00013), 'tau molar mass': (0.00190754, 'kg mol^-1', 1.3e-07), 'tau-muon mass ratio': (16.817, '', 0.0011), 'tau-neutron mass ratio': (1.89115, '', 0.00013), 'tau-proton mass ratio': (1.89376, '', 0.00013), 'Thomson cross section': (6.6524587321e-29, 'm^2', 6e-38), 'triton-electron mag. mom. ratio': (-0.001620514423, '', 2.1e-11), 'triton-electron mass ratio': (5496.92153573, '', 2.7e-07), 'triton g factor': (5.957924931, '', 1.2e-08), 'triton mag. mom.': (1.5046095202e-26, 'J T^-1', 3e-35), 'triton mag. mom. to Bohr magneton ratio': (0.0016223936651, '', 3.2e-12), 'triton mag. mom. to nuclear magneton ratio': (2.9789624656, '', 5.9e-09), 'triton mass': (5.0073567446e-27, 'kg', 1.5e-36), 'triton mass energy equivalent': (4.500387806e-10, 'J', 1.4e-19), 'triton mass energy equivalent in MeV': (2808.92113298, 'MeV', 8.5e-07), 'triton mass in u': (3.01550071621, 'u', 1.2e-10), 'triton molar mass': (0.00301550071517, 'kg mol^-1', 9.2e-13), 'triton-neutron mag. mom. ratio': (-1.55718553, '', 3.7e-07), 'triton-proton mag. mom. ratio': (1.066639908, '', 1e-08), 'triton-proton mass ratio': (2.99371703414, '', 1.5e-10), 'unified atomic mass unit': (1.6605390666e-27, 'kg', 5e-37), 'von Klitzing constant': (25812.80745, 'ohm', 0.0), 'weak mixing angle': (0.2229, '', 0.0003), 'Wien frequency displacement law constant': (58789257570.0, 'Hz K^-1', 0.0), 'Wien wavelength displacement law constant': (0.002897771955, 'm K', 0.0), 'atomic unit of mom.um': (1.992851882e-24, 'kg m s^-1', 2.4e-32), 'electron-helion mass ratio': (0.0001819543074573, '', 7.9e-15), 'electron-triton mass ratio': (0.0001819200062251, '', 9e-15), 'helion g factor': (-4.255250615, '', 5e-08), 'helion mag. mom.': (-1.074617532e-26, 'J T^-1', 1.3e-34), 'helion mag. mom. to Bohr magneton ratio': (-0.001158740958, '', 1.4e-11), 'helion mag. mom. to nuclear magneton ratio': (-2.127625307, '', 2.5e-08), 'Loschmidt constant (273.15 K, 100 kPa)': (2.651645804e+25, 'm^-3', 0.0), 'natural unit of mom.um': (2.730924488e-22, 'kg m s^-1', 3.4e-30), 'natural unit of mom.um in MeV/c': (0.5109989461, 'MeV/c', 3.1e-09), 'neutron-proton mass difference': (2.30557435e-30, 'kg', 8.2e-37), 'neutron-proton mass difference energy equivalent': (2.07214689e-13, 'J', 7.4e-20), 'neutron-proton mass difference energy equivalent in MeV': (1.29333236, 'MeV', 4.6e-07), 'neutron-proton mass difference in u': (0.00138844933, 'u', 4.9e-10), 'standard-state pressure': (100000.0, 'Pa', 0.0), 'alpha particle relative atomic mass': (4.001506179127, '', 6.3e-11), 'Bohr magneton in inverse meter per tesla': (46.686447783, 'm^-1 T^-1', 1.4e-08), 'Boltzmann constant in inverse meter per kelvin': (69.50348004, 'm^-1 K^-1', 0.0), 'conventional value of ampere-90': (1.00000008887, 'A', 0.0), 'conventional value of coulomb-90': (1.00000008887, 'C', 0.0), 'conventional value of farad-90': (0.9999999822, 'F', 0.0), 'conventional value of henry-90': (1.00000001779, 'H', 0.0), 'conventional value of ohm-90': (1.00000001779, 'ohm', 0.0), 'conventional value of volt-90': (1.00000010666, 'V', 0.0), 'conventional value of watt-90': (1.00000019553, 'W', 0.0), 'deuteron relative atomic mass': (2.013553212745, '', 4e-11), 'electron gyromag. ratio in MHz/T': (28024.9514242, 'MHz T^-1', 8.5e-06), 'electron relative atomic mass': (0.000548579909065, '', 1.6e-14), 'elementary charge over h-bar': (1519267447000000.0, 'A J^-1', 0.0), 'helion relative atomic mass': (3.014932247175, '', 9.7e-11), 'helion shielding shift': (5.996743e-05, '', 1e-10), 'hyperfine transition frequency of Cs-133': (9192631770.0, 'Hz', 0.0), 'lattice spacing of ideal Si (220)': (1.920155716e-10, 'm', 3.2e-18), 'luminous efficacy': (683.0, 'lm W^-1', 0.0), 'neutron gyromag. ratio in MHz/T': (29.1646931, 'MHz T^-1', 6.9e-06), 'neutron relative atomic mass': (1.00866491595, '', 4.9e-10), 'nuclear magneton in inverse meter per tesla': (0.0254262341353, 'm^-1 T^-1', 7.8e-12), 'Planck constant in eV/Hz': (4.135667696e-15, 'eV Hz^-1', 0.0), 'proton gyromag. ratio in MHz/T': (42.577478518, 'MHz T^-1', 1.8e-08), 'proton relative atomic mass': (1.007276466621, '', 5.3e-11), 'reduced Compton wavelength': (3.8615926796e-13, 'm', 1.2e-22), 'reduced muon Compton wavelength': (1.867594306e-15, 'm', 4.2e-23), 'reduced neutron Compton wavelength': (2.1001941552e-16, 'm', 1.2e-25), 'reduced Planck constant': (1.054571817e-34, 'J s', 0.0), 'reduced Planck constant in eV s': (6.582119569e-16, 'eV s', 0.0), 'reduced Planck constant times c in MeV fm': (197.3269804, 'MeV fm', 0.0), 'reduced proton Compton wavelength': (2.10308910336e-16, 'm', 6.4e-26), 'reduced tau Compton wavelength': (1.110538e-16, 'm', 7.5e-21), 'shielded helion gyromag. ratio in MHz/T': (32.43409942, 'MHz T^-1', 3.8e-07), 'shielded proton gyromag. ratio in MHz/T': (42.57638474, 'MHz T^-1', 4.6e-07), 'shielding difference of d and p in HD': (2.02e-08, '', 2e-11), 'shielding difference of t and p in HT': (2.414e-08, '', 2e-11), 'tau energy equivalent': (1776.86, 'MeV', 0.12), 'triton relative atomic mass': (3.01550071621, '', 1.2e-10), 'triton to proton mag. mom. ratio': (1.0666399191, '', 2.1e-09), 'vacuum electric permittivity': (8.8541878128e-12, 'F m^-1', 1.3e-21), 'vacuum mag. permeability': (1.25663706212e-06, 'N A^-2', 1.9e-16), 'W to Z mass ratio': (0.88153, '', 0.00017)} |
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