Chemistry

Physics Constants

6 votes 5

 

Quantity Value Unit
{220} lattice spacing of silicon 1.92016E-10 m
alpha particle mass 6.64466E-27 kg
alpha particle mass energy equivalent 5.97192E-10 J
alpha particle mass energy equivalent in MeV 3727.37917 MeV
alpha particle mass in u 4.001506179 u
alpha particle molar mass 0.004001506 kg mol^-1
alpha particle-electron mass ratio 7294.299536
alpha particle-proton mass ratio 3.972599689
Angstrom star 1.00002E-10 m
atomic mass constant 1.66054E-27 kg
atomic mass constant energy equivalent 1.49242E-10 J
atomic mass constant energy equivalent in MeV 931.494043 MeV
atomic mass unit-electron volt relationship 931494043 eV
atomic mass unit-hartree relationship 34231776.86 E_h
atomic mass unit-hertz relationship 2.25234E+23 Hz
atomic mass unit-inverse meter relationship 7.51301E+14 m^-1
atomic mass unit-joule relationship 1.49242E-10 J
atomic mass unit-kelvin relationship 1.08095E+13 K
atomic mass unit-kilogram relationship 1.66054E-27 kg
atomic unit of 1st hyperpolarizablity 3.20636E-53 C^3 m^3 J^-2
atomic unit of 2nd hyperpolarizablity 6.23538E-65 C^4 m^4 J^-3
atomic unit of action 1.05457E-34 J s
atomic unit of charge 1.60218E-19 C
atomic unit of charge density 1.0812E+12 C m^-3
atomic unit of current 0.006623618 A
atomic unit of electric dipole moment 8.47835E-30 C m
atomic unit of electric field 5.14221E+11 V m^-1
atomic unit of electric field gradient 9.71736E+21 V m^-2
atomic unit of electric polarizablity 1.64878E-41 C^2 m^2 J^-1
atomic unit of electric potential 27.2113845 V
atomic unit of electric quadrupole moment 4.48655E-40 C m^2
atomic unit of energy 4.35974E-18 J
atomic unit of force 8.23872E-08 N
atomic unit of length 5.29177E-11 m
atomic unit of magn. dipole moment 1.8548E-23 J T^-1
atomic unit of magn. flux density 235051.742 T
atomic unit of magnetizability 7.89104E-29 J T^-2
atomic unit of mass 9.10938E-31 kg
atomic unit of momentum 1.99285E-24 kg m s^-1
atomic unit of permittivity 1.11265E-10 F m^-1
atomic unit of time 2.41888E-17 s
atomic unit of velocity 2187691.263 m s^-1
Avogadro constant 6.02214E+23 mol^-1
Bohr magneton 9.27401E-24 J T^-1
Bohr magneton in eV/T 5.78838E-05 eV T^-1
Bohr magneton in Hz/T 13996245800 Hz T^-1
Bohr magneton in inverse meters per tesla 46.6864507 m^-1 T^-1
Bohr magneton in K/T 0.6717131 K T^-1
Bohr radius 5.29177E-11 m
Boltzmann constant 1.38065E-23 J K^-1
Boltzmann constant in eV/K 8.61734E-05 eV K^-1
Boltzmann constant in Hz/K 20836644000 Hz K^-1
Boltzmann constant in inverse meters per kelvin 69.50356 m^-1 K^-1
characteristic impedance of vacuum 376.7303135 ohm
classical electron radius 2.81794E-15 m
Compton wavelength 2.42631E-12 m
Compton wavelength over 2 pi 3.86159E-13 m
conductance quantum 7.74809E-05 S
conventional value of Josephson constant 4.83598E+14 Hz V^-1
conventional value of von Klitzing constant 25812.807 ohm
Cu x unit 1.00208E-13 m
deuteron magn. moment 4.33073E-27 J T^-1
deuteron magn. moment to Bohr magneton ratio 0.000466975
deuteron magn. moment to nuclear magneton ratio 0.857438233
deuteron mass 3.34358E-27 kg
deuteron mass energy equivalent 3.00506E-10 J
deuteron mass energy equivalent in MeV 1875.61282 MeV
deuteron mass in u 2.013553213 u
deuteron molar mass 0.002013553 kg mol^-1
deuteron rms charge radius 2.1394E-15 m
deuteron-electron magn. moment ratio -0.000466435
deuteron-electron mass ratio 3670.482965
deuteron-neutron magn. moment ratio -0.44820652
deuteron-proton magn. moment ratio 0.307012208
deuteron-proton mass ratio 1.999007501
electric constant 8.85419E-12 F m^-1
electron charge to mass quotient -1.75882E+11 C kg^-1
electron g factor -2.002319304
electron gyromagn. ratio 1.76086E+11 s^-1 T^-1
electron gyromagn. ratio over 2 pi 28024.9532 MHz T^-1
electron magn. moment -9.28476E-24 J T^-1
electron magn. moment anomaly 0.001159652
electron magn. moment to Bohr magneton ratio -1.001159652
electron magn. moment to nuclear magneton ratio -1838.281971
electron mass 9.10938E-31 kg
electron mass energy equivalent 8.1871E-14 J
electron mass energy equivalent in MeV 0.510998918 MeV
electron mass in u 0.00054858 u
electron molar mass 5.4858E-07 kg mol^-1
electron to alpha particle mass ratio 0.000137093
electron to shielded helion magn. moment ratio 864.058255
electron to shielded proton magn. moment ratio -658.2275956
electron volt 1.60218E-19 J
electron volt-atomic mass unit relationship 1.07354E-09 u
electron volt-hartree relationship 0.036749325 E_h
electron volt-hertz relationship 2.41799E+14 Hz
electron volt-inverse meter relationship 806554.445 m^-1
electron volt-joule relationship 1.60218E-19 J
electron volt-kelvin relationship 11604.505 K
electron volt-kilogram relationship 1.78266E-36 kg
electron-deuteron magn. moment ratio -2143.923493
electron-deuteron mass ratio 0.000272444
electron-muon magn. moment ratio 206.7669894
electron-muon mass ratio 0.004836332
electron-neutron magn. moment ratio 960.9205
electron-neutron mass ratio 0.000543867
electron-proton magn. moment ratio -658.2106862
electron-proton mass ratio 0.000544617
electron-tau mass ratio 0.000287564
elementary charge 1.60218E-19 C
elementary charge over h 2.41799E+14 A J^-1
Faraday constant 96485.3383 C mol^-1
Faraday constant for conventional electric current 96485.336 C_90 mol^-1
Fermi coupling constant 1.16639E-05 GeV^-2
fine-structure constant 0.007297353
first radiation constant 3.74177E-16 W m^2
first radiation constant for spectral radiance 1.19104E-16 W m^2 sr^-1
Hartree energy 4.35974E-18 J
Hartree energy in eV 27.2113845 eV
hartree-atomic mass unit relationship 2.92126E-08 u
hartree-electron volt relationship 27.2113845 eV
hartree-hertz relationship 6.57968E+15 Hz
hartree-inverse meter relationship 21947463.14 m^-1
hartree-joule relationship 4.35974E-18 J
hartree-kelvin relationship 315774.65 K
hartree-kilogram relationship 4.85087E-35 kg
helion mass 5.00641E-27 kg
helion mass energy equivalent 4.49954E-10 J
helion mass energy equivalent in MeV 2808.39142 MeV
helion mass in u 3.014932243 u
helion molar mass 0.003014932 kg mol^-1
helion-electron mass ratio 5495.885269
helion-proton mass ratio 2.993152667
hertz-atomic mass unit relationship 4.43982E-24 u
hertz-electron volt relationship 4.13567E-15 eV
hertz-hartree relationship 1.51983E-16 E_h
hertz-inverse meter relationship 3.33564E-09 m^-1
hertz-joule relationship 6.62607E-34 J
hertz-kelvin relationship 4.79924E-11 K
hertz-kilogram relationship 7.3725E-51 kg
inverse fine-structure constant 137.0359991
inverse meter-atomic mass unit relationship 1.33103E-15 u
inverse meter-electron volt relationship 1.23984E-06 eV
inverse meter-hartree relationship 4.55634E-08 E_h
inverse meter-hertz relationship 299792458 Hz
inverse meter-joule relationship 1.98645E-25 J
inverse meter-kelvin relationship 0.014387752 K
inverse meter-kilogram relationship 2.21022E-42 kg
inverse of conductance quantum 12906.40373 ohm
Josephson constant 4.83598E+14 Hz V^-1
joule-atomic mass unit relationship 6700536100 u
joule-electron volt relationship 6.24151E+18 eV
joule-hartree relationship 2.29371E+17 E_h
joule-hertz relationship 1.50919E+33 Hz
joule-inverse meter relationship 5.03412E+24 m^-1
joule-kelvin relationship 7.24296E+22 K
joule-kilogram relationship 1.11265E-17 kg
kelvin-atomic mass unit relationship 9.2511E-14 u
kelvin-electron volt relationship 8.61734E-05 eV
kelvin-hartree relationship 3.16682E-06 E_h
kelvin-hertz relationship 20836644000 Hz
kelvin-inverse meter relationship 69.50356 m^-1
kelvin-joule relationship 1.38065E-23 J
kelvin-kilogram relationship 1.53618E-40 kg
kilogram-atomic mass unit relationship 6.02214E+26 u
kilogram-electron volt relationship 5.60959E+35 eV
kilogram-hartree relationship 2.06149E+34 E_h
kilogram-hertz relationship 1.35639E+50 Hz
kilogram-inverse meter relationship 4.52444E+41 m^-1
kilogram-joule relationship 8.98755E+16 J
kilogram-kelvin relationship 6.50965E+39 K
lattice parameter of silicon 5.43102E-10 m
Loschmidt constant (273.15 K, 101.325 kPa) 2.68678E+25 m^-3
magn. constant 1.25664E-06 N A^-2
magn. flux quantum 2.06783E-15 Wb
Mo x unit 1.0021E-13 m
molar gas constant 8.314472 J mol^-1 K^-1
molar mass constant 0.001 kg mol^-1
molar mass of carbon-12 0.012 kg mol^-1
molar Planck constant 3.99031E-10 J s mol^-1
molar Planck constant times c 0.119626566 J m mol^-1
molar volume of ideal gas (273.15 K, 100 kPa) 0.022710981 m^3 mol^-1
molar volume of ideal gas (273.15 K, 101.325 kPa) 0.022413996 m^3 mol^-1
molar volume of silicon 1.20588E-05 m^3 mol^-1
muon Compton wavelength 1.17344E-14 m
muon Compton wavelength over 2 pi 1.86759E-15 m
muon g factor -2.00233184
muon magn. moment -4.49045E-26 J T^-1
muon magn. moment anomaly 0.00116592
muon magn. moment to Bohr magneton ratio -0.00484197
muon magn. moment to nuclear magneton ratio -8.89059698
muon mass 1.88353E-28 kg
muon mass energy equivalent 1.69283E-11 J
muon mass energy equivalent in MeV 105.6583692 MeV
muon mass in u 0.113428926 u
muon molar mass 0.000113429 kg mol^-1
muon-electron mass ratio 206.7682838
muon-neutron mass ratio 0.112454518
muon-proton magn. moment ratio -3.183345118
muon-proton mass ratio 0.112609527
muon-tau mass ratio 0.0594592
natural unit of action 1.05457E-34 J s
natural unit of action in eV s 6.58212E-16 eV s
natural unit of energy 8.1871E-14 J
natural unit of energy in MeV 0.510998918 MeV
natural unit of length 3.86159E-13 m
natural unit of mass 9.10938E-31 kg
natural unit of momentum 2.73092E-22 kg m s^-1
natural unit of momentum in MeV/c 0.510998918 MeV/c
natural unit of time 1.28809E-21 s
natural unit of velocity 299792458 m s^-1
neutron Compton wavelength 1.31959E-15 m
neutron Compton wavelength over 2 pi 2.10019E-16 m
neutron g factor -3.82608546
neutron gyromagn. ratio 183247183 s^-1 T^-1
neutron gyromagn. ratio over 2 pi 29.164695 MHz T^-1
neutron magn. moment -9.66236E-27 J T^-1
neutron magn. moment to Bohr magneton ratio -0.001041876
neutron magn. moment to nuclear magneton ratio -1.91304273
neutron mass 1.67493E-27 kg
neutron mass energy equivalent 1.50535E-10 J
neutron mass energy equivalent in MeV 939.56536 MeV
neutron mass in u 1.008664916 u
neutron molar mass 0.001008665 kg mol^-1
neutron to shielded proton magn. moment ratio -0.68499694
neutron-electron magn. moment ratio 0.001040669
neutron-electron mass ratio 1838.68366
neutron-muon mass ratio 8.89248402
neutron-proton magn. moment ratio -0.68497934
neutron-proton mass ratio 1.001378419
neutron-tau mass ratio 0.52874
Newtonian constant of gravitation 6.6742E-11 m^3 kg^-1 s^-2
Newtonian constant of gravitation over h-bar c 6.7087E-39 (GeV/c^2)^-2
nuclear magneton 5.05078E-27 J T^-1
nuclear magneton in eV/T 3.15245E-08 eV T^-1
nuclear magneton in inverse meters per tesla 0.025426236 m^-1 T^-1
nuclear magneton in K/T 0.000365826 K T^-1
nuclear magneton in MHz/T 7.62259371 MHz T^-1
Planck constant 6.62607E-34 J s
Planck constant in eV s 4.13567E-15 eV s
Planck constant over 2 pi 1.05457E-34 J s
Planck constant over 2 pi in eV s 6.58212E-16 eV s
Planck constant over 2 pi times c in MeV fm 197.326968 MeV fm
Planck length 1.61624E-35 m
Planck mass 2.17645E-08 kg
Planck temperature 1.41679E+32 K
Planck time 5.39121E-44 s
proton charge to mass quotient 95788337.6 C kg^-1
proton Compton wavelength 1.32141E-15 m
proton Compton wavelength over 2 pi 2.10309E-16 m
proton g factor 5.585694701
proton gyromagn. ratio 267522205 s^-1 T^-1
proton gyromagn. ratio over 2 pi 42.5774813 MHz T^-1
proton magn. moment 1.41061E-26 J T^-1
proton magn. moment to Bohr magneton ratio 0.001521032
proton magn. moment to nuclear magneton ratio 2.792847351
proton magn. shielding correction 0.000025689
proton mass 1.67262E-27 kg
proton mass energy equivalent 1.50328E-10 J
proton mass energy equivalent in MeV 938.272029 MeV
proton mass in u 1.007276467 u
proton molar mass 0.001007276 kg mol^-1
proton rms charge radius 8.75E-16 m
proton-electron mass ratio 1836.152673
proton-muon mass ratio 8.88024333
proton-neutron magn. moment ratio -1.45989805
proton-neutron mass ratio 0.998623479
proton-tau mass ratio 0.528012
quantum of circulation 0.000363695 m^2 s^-1
quantum of circulation times 2 0.00072739 m^2 s^-1
Rydberg constant 10973731.57 m^-1
Rydberg constant times c in Hz 3.28984E+15 Hz
Rydberg constant times hc in eV 13.6056923 eV
Rydberg constant times hc in J 2.17987E-18 J
Sackur-Tetrode constant (1 K, 100 kPa) -1.1517047
Sackur-Tetrode constant (1 K, 101.325 kPa) -1.1648677
second radiation constant 0.014387752 m K
shielded helion gyromagn. ratio 203789470 s^-1 T^-1
shielded helion gyromagn. ratio over 2 pi 32.4341015 MHz T^-1
shielded helion magn. moment -1.07455E-26 J T^-1
shielded helion magn. moment to Bohr magneton ratio -0.001158671
shielded helion magn. moment to nuclear magneton ratio -2.127497723
shielded helion to proton magn. moment ratio -0.761766562
shielded helion to shielded proton magn. moment ratio -0.761786131
shielded proton gyromagn. ratio 267515333 s^-1 T^-1
shielded proton gyromagn. ratio over 2 pi 42.5763875 MHz T^-1
shielded proton magn. moment 1.41057E-26 J T^-1
shielded proton magn. moment to Bohr magneton ratio 0.001520993
shielded proton magn. moment to nuclear magneton ratio 2.792775604
speed of light in vacuum 299792458 m s^-1
standard acceleration of gravity 9.80665 m s^-2
standard atmosphere 101325 Pa
Stefan-Boltzmann constant 5.6704E-08 W m^-2 K^-4
tau Compton wavelength 6.9772E-16 m
tau Compton wavelength over 2 pi 1.11046E-16 m
tau mass 3.16777E-27 kg
tau mass energy equivalent 2.84705E-10 J
tau mass energy equivalent in MeV 1776.99 MeV
tau mass in u 1.90768 u
tau molar mass 0.00190768 kg mol^-1
tau-electron mass ratio 3477.48
tau-muon mass ratio 16.8183
tau-neutron mass ratio 1.89129
tau-proton mass ratio 1.8939
Thomson cross section 6.65246E-29 m^2
unified atomic mass unit 1.66054E-27 kg
von Klitzing constant 25812.80745 ohm
weak mixing angle 0.22215
Wien displacement law constant 0.002897769 m K

Categories: Chemistry, Physics