alpha particle-electron mass ratio*:7294.299 5365;#0.000 0031@alpha particle mass*:6.644 656 20 x 10^-27;kg#0.000 000 33 x 10^-27@alpha particle mass energy equivalent*:5.971 919 17 x 10^-10;J#0.000 000 30 x 10^-10@alpha particle mass energy equivalent in MeV*:3727.379 109;MeV#0.000 093@alpha particle mass in u*:4.001 506 179 127;u#0.000 000 000 062@alpha particle molar mass*:4.001 506 179 127 x 10^-3;kg mol^-1#0.000 000 000 062 x 10^-3@alpha particle-proton mass ratio*:3.972 599 689 51;#0.000 000 000 41@Angstrom star*:1.000 014 98 x 10^-10;m#0.000 000 90 x 10^-10@atomic mass constant*:1.660 538 782 x 10^-27;kg#0.000 000 083 x 10^-27@atomic mass constant energy equivalent*:1.492 417 830 x 10^-10;J#0.000 000 074 x 10^-10@atomic mass constant energy equivalent in MeV*:931.494 028;MeV#0.000 023@atomic mass unit-electron volt relationship*:931.494 028 x 10^6;eV#0.000 023 x 10^6@atomic mass unit-hartree relationship*:3.423 177 7149 x 10^7;E_h#0.000 000 0049 x 10^7@atomic mass unit-hertz relationship *:2.252 342 7369 x 10^23;Hz#0.000 000 0032 x 10^23@atomic mass unit-inverse meter relationship*:7.513 006 671 x 10^14;m^-1#0.000 000 011 x 10^14@atomic mass unit-joule relationship *:1.492 417 830 x 10^-10;J#0.000 000 074 x 10^-10@atomic mass unit-kelvin relationship*:1.080 9527 x 10^13;K#0.000 0019 x 10^13@atomic mass unit-kilogram relationship*:1.660 538 782 x 10^-27;kg#0.000 000 083 x 10^-27@atomic unit of 1st hyperpolarizablity*:3.206 361 533 x 10^-53;C^3 m^3 J^-2#0.000 000 081 x 10^-53@atomic unit of 2nd hyperpolarizablity*:6.235 380 95 x 10^-65;C^4 m^4 J^-3#0.000 000 31 x 10^-65@atomic unit of action*:1.054 571 628 x 10^-34;J s#0.000 000 053 x 10^-34@atomic unit of charge*:1.602 176 487 x 10^-19;C#0.000 000 040 x 10^-19@atomic unit of charge density*:1.081 202 300 x 10^12;C m^-3#0.000 000 027  x 10^12@atomic unit of current*:6.623 617 63 x 10^-3;A#0.000 000 17 x 10^-3@atomic unit of electric dipole mom.*:8.478 352 81 x 10^-30;C m#0.000 000 21 x 10^-30@atomic unit of electric field*:5.142 206 32 x 10^11;V m^-1#0.000 000 13 x 10^11@atomic unit of electric field gradient*:9.717 361 66 x 10^21;V m^-2#0.000 000 24 x 10^21@atomic unit of electric polarizablity*:1.648 777 2536 x 10^-41;C^2 m^2 J^-1#0.000 000 0034 x 10^-41@atomic unit of electric potential*:27.211 383 86;V#0.000 000 68@atomic unit of electric quadrupole mom.*:4.486 551 07 x 10^-40;C m^2#0.000 000 11 x 10^-40@atomic unit of energy*:4.359 743 94 x 10^-18;J#0.000 000 22 x 10^-18@atomic unit of force*:8.238 722 06 x 10^-8;N#0.000 000 41 x 10^-8@atomic unit of length*:0.529 177 208 59 x 10^-10;m#0.000 000 000 36 x 10^-10@atomic unit of mag. dipole mom.*:1.854 801 830 x 10^-23;J T^-1#0.000 000 046 x 10^-23@atomic unit of mag. flux density*:2.350 517 382 x 10^5;T#0.000 000 059 x 10^5@atomic unit of magnetizability*:7.891 036 433 x 10^-29;J T^-2#0.000 000 027 x 10^-29@atomic unit of mass*:9.109 382 15 x 10^-31;kg#0.000 000 45 x 10^-31@atomic unit of momentum*:1.992 851 565 x 10^-24;kg m s^-1#0.000 000 099 x 10^-24@atomic unit of permittivity*:1.112 650 056 x 10^-10;F m^-1#0@atomic unit of time*:2.418 884 326 505 x 10^-17;s#0.000 000 000 016 x 10^-17@atomic unit of velocity*:2.187 691 2541 x 10^6;m s^-1#0.000 000 0015 x 10^6@Avogadro constant*:6.022 141 79 x 10^23;mol^-1#0.000 000 30 x 10^23@Bohr magneton*:927.400 915 x 10^-26;J T^-1#0.000 023 x 10^-26@Bohr magneton in eV/T*:5.788 381 7555 x 10^-5;eV T^-1#0.000 000 0079 x 10^-5@Bohr magneton in Hz/T*:13.996 246 04 x 10^9;Hz T^-1#0.000 000 35 x 10^9@Bohr magneton in inverse meters per tesla*:46.686 4515;m^-1 T^-1#0.000 0012@Bohr magneton in K/T*:0.671 7131;K T^-1#0.000 0012@Bohr radius*:0.529 177 208 59 x 10^-10;m#0.000 000 000 36 x 10^-10@Boltzmann constant*:1.380 6504 x 10^-23;J K^-1#0.000 0024 x 10^-23@Boltzmann constant in eV/K*:8.617 343 x 10^-5;eV K^-1#0.000 015 x 10^-5@Boltzmann constant in Hz/K*:2.083 6644 x 10^10;Hz K^-1#0.000 0036 x 10^10@Boltzmann constant in inverse meters per kelvin*:69.503 56;m^-1 K^-1#0.000 12@characteristic impedance of vacuum*:376.730 313 461;ohm#0@classical electron radius*:2.817 940 2894 x 10^-15;m#0.000 000 0058 x 10^-15@Compton wavelength*:2.426 310 2175 x 10^-12;m#0.000 000 0033 x 10^-12@Compton wavelength over 2 pi*:386.159 264 59 x 10^-15;m#0.000 000 53 x 10^-15@conductance quantum*:7.748 091 7004 x 10^-5;S#0.000 000 0053 x 10^-5@conventional value of Josephson constant*:483 597.9 x 10^9;Hz V^-1#0@conventional value of von Klitzing constant*:25 812.807;ohm#0@Cu x unit*:1.002 076 99 x 10^-13;m#0.000 000 28 x 10^-13@deuteron-electron mag. mom. ratio*:-4.664 345 537 x 10^-4;#0.000 000 039 x 10^-4@deuteron-electron mass ratio*:3670.482 9654;#0.000 0016@deuteron g factor*:0.857 438 2308;#0.000 000 0072@deuteron mag. mom.*:0.433 073 465 x 10^-26;J T^-1#0.000 000 011 x 10^-26@deuteron mag. mom. to Bohr magneton ratio*:0.466 975 4556 x 10^-3;#0.000 000 0039 x 10^-3@deuteron mag. mom. to nuclear magneton ratio*:0.857 438 2308;#0.000 000 0072@deuteron mass*:3.343 583 20 x 10^-27;kg#0.000 000 17 x 10^-27@deuteron mass energy equivalent*:3.005 062 72 x 10^-10;J#0.000 000 15 x 10^-10@deuteron mass energy equivalent in MeV*:1875.612 793;MeV#0.000 047@deuteron mass in u*:2.013 553 212 724;u#0.000 000 000 078@deuteron molar mass*:2.013 553 212 724 x 10^-3;kg mol^-1#0.000 000 000 078 x 10^-3@deuteron-neutron mag. mom. ratio*:-0.448 206 52;#0.000 000 11@deuteron-proton mag. mom. ratio*:0.307 012 2070;#0.000 000 0024@deuteron-proton mass ratio*:1.999 007 501 08;#0.000 000 000 22@deuteron rms charge radius*:2.1402 x 10^-15;m#0.0028 x 10^-15@e*e:2.7182818;#@electric constant*:8.854 187 817 x 10^-12;F m^-1#0@electron charge to mass quotient*:-1.758 820 150 x 10^11;C kg^-1#0.000 000 044 x 10^11@electron-deuteron mag. mom. ratio*:-2143.923 498;#0.000 018@electron-deuteron mass ratio*:2.724 437 1093 x 10^-4;#0.000 000 0012 x 10^-4@electron g factor*:-2.002 319 304 3622;#0.000 000 000 0015@electron gyromag. ratio *:1.760 859 770 x 10^11;s^-1 T^-1#0.000 000 044 x 10^11@electron gyromag. ratio over 2 pi*:28 024.953 64;MHz T^-1#0.000 70@electron mag. mom.*:-928.476 377 x 10^-26;J T^-1#0.000 023 x 10^-26@electron mag. mom. anomaly*:1.159 652 181 11 x 10^-3;#0.000 000 000 74 x 10^-3@electron mag. mom. to Bohr magneton ratio*:-1.001 159 652 181 11;#0.000 000 000 000 74@electron mag. mom. to nuclear magneton ratio*:-1838.281 970 92;#0.000 000 80@electron mass*:9.109 382 15 x 10^-31;kg#0.000 000 45 x 10^-31@electron mass energy equivalent*:8.187 104 38 x 10^-14;J#0.000 000 41 x 10^-14@electron mass energy equivalent in MeV*:0.510 998 910;MeV#0.000 000 013@electron mass in u*:5.485 799 0943 x 10^-4;u#0.000 000 0023 x 10^-4@electron molar mass*:5.485 799 0943 x 10^-7;kg mol^-1#0.000 000 0023 x 10^-7@electron-muon mag. mom. ratio*:206.766 9877;#0.000 0052@electron-muon mass ratio*:4.836 331 71 x 10^-3;#0.000 000 12 x 10^-3@electron-neutron mag. mom. ratio*:960.920 50;#0.000 23@electron-neutron mass ratio*:5.438 673 4459 x 10^-4;#0.000 000 0033 x 10^-4@electron-proton mag. mom. ratio*:-658.210 6848;#0.000 0054@electron-proton mass ratio*:5.446 170 2177 x 10^-4;#0.000 000 0024 x 10^-4@electron-tau mass ratio*:2.875 64 x 10^-4;#0.000 47 x 10^-4@electron to alpha particle mass ratio*:1.370 933 555 70 x 10^-4;#0.000 000 000 58 x 10^-4@electron to shielded helion mag. mom. ratio*:864.058 257;#0.000 010@electron to shielded proton mag. mom. ratio*:-658.227 5971;#0.000 0072@electron volt *:1.602 176 487 x 10^-19;J#0.000 000 040 x 10^-19@electron volt-atomic mass unit relationship*:1.073 544 188 x 10^-9;u#0.000 000 027 x 10^-9@electron volt-hartree relationship*:3.674 932 540 x 10^-2;E_h#0.000 000 092 x 10^-2@electron volt-hertz relationship*:2.417 989 454 x 10^14;Hz#0.000 000 060 x 10^14@electron volt-inverse meter relationship*:8.065 544 65 x 10^5;m^-1#0.000 000 20 x 10^5@electron volt-joule relationship*:1.602 176 487 x 10^-19;J#0.000 000 040 x 10^-19@electron volt-kelvin relationship*:1.160 4505 x 10^4;K#0.000 0020 x 10^4@electron volt-kilogram relationship*:1.782 661 758 x 10^-36;kg#0.000 000 044 x 10^-36@elementary charge*:1.602 176 487 x 10^-19;C#0.000 000 040 x 10^-19@elementary charge over h*:2.417 989 454 x 10^14;A J^-1#0.000 000 060 x 10^14@Faraday constant *:96 485.3399;C mol^-1#0.0024@Faraday constant for conventional electric current*:96 485.3401;C_90 mol^-1#0.0048@Fermi coupling constant*:1.166 37 x 10^-5;GeV^-2#0.000 01 x 10^-5@fine-structure constant*:7.297 352 5376 x 10^-3;#0.000 000 0050 x 10^-3@first radiation constant*:3.741 771 18 x 10^-16;W m^2#0.000 000 19 x 10^-16@first radiation constant for spectral radiance*:1.191 042 759 x 10^-16;W m^2 sr^-1#0.000 000 059 x 10^-16@hartree-atomic mass unit relationship*:2.921 262 2986 x 10^-8;u#0.000 000 0042 x 10^-8@hartree-electron volt relationship*:27.211 383 86;eV#0.000 000 68@Hartree energy*:4.359 743 94 x 10^-18;J#0.000 000 22 x 10^-18@Hartree energy in eV*:27.211 383 86;eV#0.000 000 68@hartree-hertz relationship*:6.579 683 920 722 x 10^15;Hz#0.000 000 000 044 x 10^15@hartree-inverse meter relationship*:2.194 746 313 705 x 10^7;m^-1#0.000 000 000 015 x 10^7@hartree-joule relationship*:4.359 743 94 x 10^-18;J#0.000 000 22 x 10^-18@hartree-kelvin relationship*:3.157 7465 x 10^5;K#0.000 0055 x 10^5@hartree-kilogram relationship*:4.850 869 34 x 10^-35;kg#0.000 000 24 x 10^-35@helion-electron mass ratio*:5495.885 2765;#0.000 0052@helion mass*:5.006 411 92 x 10^-27;kg#0.000 000 25 x 10^-27@helion mass energy equivalent*:4.499 538 64 x 10^-10;J#0.000 000 22 x 10^-10@helion mass energy equivalent in MeV *:2808.391 383;MeV#0.000 070@helion mass in u*:3.014 932 2473;u#0.000 000 0026@helion molar mass*:3.014 932 2473 x 10^-3;kg mol^-1#0.000 000 0026 x 10^-3@helion-proton mass ratio*:2.993 152 6713;#0.000 000 0026@hertz-atomic mass unit relationship*:4.439 821 6294 x 10^-24;u#0.000 000 0064 x 10^-24@hertz-electron volt relationship*:4.135 667 33 x 10^-15;eV#0.000 000 10 x 10^-15@hertz-hartree relationship*:1.519 829 846 006 x 10^-16;E_h#0.000 000 000 010 x 10^-16@hertz-inverse meter relationship*:3.335 640 951;m^-1#0@hertz-joule relationship*:6.626 068 96 x 10^-34;J#0.000 000 33 x 10^-34@hertz-kelvin relationship*:4.799 2374 x 10^-11;K#0.000 0084 x 10^-11@hertz-kilogram relationship*:7.372 496 00 x 10^-51;kg#0.000 000 37 x 10^-51@inverse fine-structure constant*:137.035 999 679;#0.000 000 094@inverse meter-atomic mass unit relationship*:1.331 025 0394 x 10^-15;u#0.000 000 0019 x 10^-15@inverse meter-electron volt relationship*:1.239 841 875 x 10^-6;eV#0.000 000 031 x 10^-6@inverse meter-hartree relationship*:4.556 335 252 760 x 10^-8;E_h#0.000 000 000 030 x 10^-8@inverse meter-hertz relationship*:299 792 458;Hz#0@inverse meter-joule relationship*:1.986 445 501 x 10^-25;J#0.000 000 099 x 10^-25@inverse meter-kelvin relationship*:1.438 7752 x 10^-2;K#0.000 0025 x 10^-2@inverse meter-kilogram relationship*:2.210 218 70 x 10^-42;kg#0.000 000 11 x 10^-42@inverse of conductance quantum*:12 906.403 7787;ohm#0.000 0088@Josephson constant*:483 597.891 x 10^9;Hz V^-1#0.012 x 10^9@joule-atomic mass unit relationship*:6.700 536 41 x 10^9;u#0.000 000 33 x 10^9@joule-electron volt relationship*:6.241 509 65 x 10^18;eV#0.000 000 16 x 10^18@joule-hartree relationship*:2.293 712 69 x 10^17;E_h#0.000 000 11 x 10^17@joule-hertz relationship*:1.509 190 450 x 10^33;Hz#0.000 000 075 x 10^33@joule-inverse meter relationship*:5.034 117 47 x 10^24;m^-1#0.000 000 25 x 10^24@joule-kelvin relationship*:7.242 963 x 10^22;K#0.000 013 x 10^22@joule-kilogram relationship*:1.112 650 056 x 10^-17;kg#0@kelvin-atomic mass unit relationship*:9.251 098 x 10^-14;u#0.000 016 x 10^-14@kelvin-electron volt relationship*:8.617 343 x 10^-5;eV#0.000 015 x 10^-5@kelvin-hartree relationship*:3.166 8153 x 10^-6;E_h#0.000 0055 x 10^-6@kelvin-hertz relationship*:2.083 6644 x 10^10;Hz#0.000 0036 x 10^10@kelvin-inverse meter relationship*:69.503 56;m^-1#0.000 12@kelvin-joule relationship*:1.380 6504 x 10^-23;J#0.000 0024 x 10^-23@kelvin-kilogram relationship*:1.536 1807 x 10^-40;kg#0.000 0027 x 10^-40@kilogram-atomic mass unit relationship*:6.022 141 79 x 10^26;u#0.000 000 30 x 10^26@kilogram-electron volt relationship*:5.609 589 12 x 10^35;eV#0.000 000 14 x 10^35@kilogram-hartree relationship*:2.061 486 16 x 10^34;E_h#0.000 000 10 x 10^34@kilogram-hertz relationship*:1.356 392 733 x 10^50;Hz#0.000 000 068 x 10^50@kilogram-inverse meter relationship*:4.524 439 15 x 10^41;m^-1#0.000 000 23 x 10^41@kilogram-joule relationship*:8.987 551 787 x 10^16;J#0@kilogram-kelvin relationship*:6.509 651 x 10^39;K#0.000 011 x 10^39@lattice parameter of silicon*:543.102 064 x 10^-12;m#0.000 014 x 10^-12@lattice spacing of silicon*:192.015 5762 x 10^-12;m#0.000 0050 x 10^-12@Loschmidt constant (273.15 K, 101.325 kPa)*:2.686 7774 x 10^25;m^-3#0.000 0047 x 10^25@mag. constant*:12.566 370 614 x 10^-7;N A^-2#@mag. flux quantum*:2.067 833 667 x 10^-15;Wb#0.000 000 052 x 10^-15@molar gas constant*:8.314 472;J mol^-1 K^-1#0.000 015@molar mass constant*:1 x 10^-3;kg mol^-1#0@molar mass of carbon-12*:12 x 10^-3;kg mol^-1#0@molar Planck constant*:3.990 312 6821 x 10^-10;J s mol^-1#0.000 000 0057 x 10^-10@molar Planck constant times c*:0.119 626 564 72;J m mol^-1#0.000 000 000 17@molar volume of ideal gas (273.15 K, 100 kPa)*:22.710 981 x 10^-3;m^3 mol^-1#0.000 040 x 10^-3@molar volume of ideal gas (273.15 K, 101.325 kPa)*:22.413 996 x 10^-3;m^3 mol^-1#0.000 039 x 10^-3@molar volume of silicon*:12.058 8349 x 10^-6;m^3 mol^-1#0.000 0011 x 10^-6@Mo x unit*:1.002 099 55 x 10^-13;m#0.000 000 53 x 10^-13@muon Compton wavelength*:11.734 441 04 x 10^-15;m#0.000 000 30 x 10^-15@muon Compton wavelength over 2 pi*:1.867 594 295 x 10^-15;m#0.000 000 047 x 10^-15@muon-electron mass ratio*:206.768 2823;#0.000 0052@muon g factor*:-2.002 331 8414;#0.000 000 0012@muon mag. mom.*:-4.490 447 86 x 10^-26;J T^-1#0.000 000 16 x 10^-26@muon mag. mom. anomaly*:1.165 920 69 x 10^-3;#0.000 000 60 x 10^-3@muon mag. mom. to Bohr magneton ratio*:-4.841 970 49 x 10^-3;#0.000 000 12 x 10^-3@muon mag. mom. to nuclear magneton ratio*:-8.890 597 05;#0.000 000 23@muon mass*:1.883 531 30 x 10^-28;kg#0.000 000 11 x 10^-28@muon mass energy equivalent*:1.692 833 510 x 10^-11;J#0.000 000 095 x 10^-11@muon mass energy equivalent in MeV*:105.658 3668;MeV#0.000 0038@muon mass in u*:0.113 428 9256;u#0.000 000 0029@muon molar mass*:0.113 428 9256 x 10^-3;kg mol^-1#0.000 000 0029 x 10^-3@muon-neutron mass ratio*:0.112 454 5167;#0.000 000 0029@muon-proton mag. mom. ratio*:-3.183 345 137;#0.000 000 085@muon-proton mass ratio*:0.112 609 5261;#0.000 000 0029@muon-tau mass ratio*:5.945 92 x 10^-2;#0.000 97 x 10^-2@natural unit of action*:1.054 571 628 x 10^-34;J s#0.000 000 053 x 10^-34@natural unit of action in eV s*:6.582 118 99 x 10^-16;eV s#0.000 000 16 x 10^-16@natural unit of energy*:8.187 104 38 x 10^-14;J#0.000 000 41 x 10^-14@natural unit of energy in MeV*:0.510 998 910;MeV#0.000 000 013@natural unit of length*:386.159 264 59 x 10^-15;m#0.000 000 53 x 10^-15@natural unit of mass*:9.109 382 15 x 10^-31;kg#0.000 000 45 x 10^-31@natural unit of momentum *:2.730 924 06 x 10^-22;kg m s^-1#0.000 000 14 x 10^-22@natural unit of momentum in MeV/c*:0.510 998 910;MeV/c#0.000 000 013@natural unit of time*:1.288 088 6570 x 10^-21;s#0.000 000 0018 x 10^-21@natural unit of velocity*:299 792 458;m s^-1#0@neutron Compton wavelength*:1.319 590 8951 x 10^-15;m#0.000 000 0020 x 10^-15@neutron Compton wavelength over 2 pi*:0.210 019 413 82 x 10^-15;m#0.000 000 000 31 x 10^-15@neutron-electron mag. mom. ratio*:1.040 668 82 x 10^-3;#0.000 000 25 x 10^-3@neutron-electron mass ratio*:1838.683 6605;#0.000 0011@neutron g factor*:-3.826 085 45;#0.000 000 90@neutron gyromag. ratio*:1.832 471 85 x 10^8;s^-1 T^-1#0.000 000 43 x 10^8@neutron gyromag. ratio over 2 pi*:29.164 6954;MHz T^-1#0.000 0069@neutron mag. mom.*:-0.966 236 41 x 10^-26;J T^-1#0.000 000 23 x 10^-26@neutron mag. mom. to Bohr magneton ratio*:-1.041 875 63 x 10^-3;#0.000 000 25 x 10^-3@neutron mag. mom. to nuclear magneton ratio*:-1.913 042 73;#0.000 000 45@neutron mass*:1.674 927 211 x 10^-27;kg#0.000 000 084 x 10^-27@neutron mass energy equivalent*:1.505 349 505 x 10^-10;J#0.000 000 075 x 10^-10@neutron mass energy equivalent in MeV*:939.565 346;MeV#0.000 023@neutron mass in u*:1.008 664 915 97;u#0.000 000 000 43@neutron molar mass*:1.008 664 915 97 x 10^-3;kg mol^-1#0.000 000 000 43 x 10^-3@neutron-muon mass ratio*:8.892 484 09;#0.000 000 23@neutron-proton mag. mom. ratio*:-0.684 979 34;#0.000 000 16@neutron-proton mass ratio*:1.001 378 419 18;#0.000 000 000 46@neutron-tau mass ratio*:0.528 740;#0.000 086@neutron to shielded proton mag. mom. ratio*:-0.684 996 94;#0.000 000 16@Newtonian constant of gravitation*G:6.674 28 x 10^-11;m^3 kg^-1 s^-2#0.000 67 x 10^-11@Newtonian constant of gravitation over h-bar c*:6.708 81 x 10^-39;(GeV/c^2)^-2#0.000 67 x 10^-39@nuclear magneton*:5.050 783 24 x 10^-27;J T^-1#0.000 000 13 x 10^-27@nuclear magneton in eV/T*:3.152 451 2326 x 10^-8;eV T^-1#0.000 000 0045 x 10^-8@nuclear magneton in inverse meters per tesla*:2.542 623 616 x 10^-2;m^-1 T^-1#0.000 000 064 x 10^-2@nuclear magneton in K/T*:3.658 2637 x 10^-4;K T^-1#0.000 0064 x 10^-4@nuclear magneton in MHz/T*:7.622 593 84;MHz T^-1#0.000 000 19@Permeability of a vacuum*:1.257 x 10^-6;H m^-1#@Permittivity of a vacuum*:8.854 x 10^-12;F m^-1#@pi*:3.141592565;#@Planck constant*:6.626 068 96 x 10^-34;J s#0.000 000 33 x 10^-34@Planck constant in eV s*:4.135 667 33 x 10^-15;eV s#0.000 000 10 x 10^-15@Planck constant over 2 pi*:1.054 571 628 x 10^-34;J s#0.000 000 053 x 10^-34@Planck constant over 2 pi in eV s*:6.582 118 99 x 10^-16;eV s#0.000 000 16 x 10^-16@Planck constant over 2 pi times c in MeV fm*:197.326 9631;MeV fm#0.000 0049@Planck length*:1.616 252 x 10^-35;m#0.000 081 x 10^-35@Planck mass*:2.176 44 x 10^-8 ;kg#0.000 11 x 10^-8@Planck mass energy equivalent in GeV*:1.220 892 x 10^19;GeV#0.000 061 x 10^19@Planck temperature*:1.416 785 x 10^32;K#0.000 071 x 10^32@Planck time*:5.391 24 x 10^-44;s#0.000 27 x 10^-44@proton charge to mass quotient*:9.578 833 92 x 10^7;C kg^-1#0.000 000 24 x 10^7 @proton Compton wavelength*:1.321 409 8446 x 10^-15;m#0.000 000 0019 x 10^-15@proton Compton wavelength over 2 pi*:0.210 308 908 61 x 10^-15;m#0.000 000 000 30 x 10^-15@proton-electron mass ratio*:1836.152 672 47;#0.000 000 80@proton g factor*:5.585 694 713;#0.000 000 046@proton gyromag. ratio*:2.675 222 099 x 10^8;s^-1 T^-1#0.000 000 070 x 10^8@proton gyromag. ratio over 2 pi*:42.577 4821;MHz T^-1#0.000 0011@proton mag. mom.*:1.410 606 662 x 10^-26;J T^-1#0.000 000 037 x 10^-26@proton mag. mom. to Bohr magneton ratio*:1.521 032 209 x 10^-3;#0.000 000 012 x 10^-3@proton mag. mom. to nuclear magneton ratio*:2.792 847 356;#0.000 000 023@proton mag. shielding correction*:25.694 x 10^-6;#0.014 x 10^-6@proton mass*:1.672 621 637 x 10^-27;kg#0.000 000 083 x 10^-27@proton mass energy equivalent*:1.503 277 359 x 10^-10;J#0.000 000 075 x 10^-10@proton mass energy equivalent in MeV*:938.272 013;MeV#0.000 023@proton mass in u*:1.007 276 466 77;u#0.000 000 000 10@proton molar mass*:1.007 276 466 77 x 10^-3;kg mol^-1#0.000 000 000 10 x 10^-3@proton-muon mass ratio*:8.880 243 39;#0.000 000 23@proton-neutron mag. mom. ratio*:-1.459 898 06;#0.000 000 34@proton-neutron mass ratio*:0.998 623 478 24;#0.000 000 000 46@proton rms charge radius*:0.8768 x 10^-15;m#0.0069 x 10^-15@proton-tau mass ratio*:0.528 012;#0.000 086@quantum of circulation*:3.636 947 5199 x 10^-4;m^2 s^-1#0.000 000 0050 x 10^-4 @quantum of circulation times 2*:7.273 895 040 x 10^-4;m^2 s^-1#0.000 000 010 x 10^-4@Rydberg constant*:10 973 731.568 527;m^-1#0.000 073@Rydberg constant times c in Hz*:3.289 841 960 361 x 10^15;Hz#0.000 000 000 022 x 10^15@Rydberg constant times hc in eV*:13.605 691 93;eV#0.000 000 34@Rydberg constant times hc in J*:2.179 871 97 x 10^-18;J#0.000 000 11 x 10^-18@Sackur-Tetrode constant (1 K, 100 kPa)*:-1.151 7047;#0.000 0044@Sackur-Tetrode constant (1 K, 101.325 kPa)*:-1.164 8677;#0.000 0044@second radiation constant*:1.438 7752 x 10^-2;m K#0.000 0025 x 10^-2@shielded helion gyromag. ratio*:2.037 894 730 x 10^8;s^-1 T^-1#0.000 000 056 x 10^8@shielded helion gyromag. ratio over 2 pi*:32.434 101 98;MHz T^-1#0.000 000 90@shielded helion mag. mom.*:-1.074 552 982 x 10^-26;J T^-1#0.000 000 030 x 10^-26@shielded helion mag. mom. to Bohr magneton ratio*:-1.158 671 471 x 10^-3;#0.000 000 014 x 10^-3@shielded helion mag. mom. to nuclear magneton ratio*:-2.127 497 718;#0.000 000 025@shielded helion to proton mag. mom. ratio*:-0.761 766 558;#0.000 000 011@shielded helion to shielded proton mag. mom. ratio*:-0.761 786 1313;#0.000 000 0033@shielded proton gyromag. ratio*:2.675 153 362 x 10^8;s^-1 T^-1#0.000 000 073 x 10^8@shielded proton gyromag. ratio over 2 pi*:42.576 3881;MHz T^-1#0.000 0012@shielded proton mag. mom.*:1.410 570 419 x 10^-26;J T^-1#0.000 000 038 x 10^-26@shielded proton mag. mom. to Bohr magneton ratio*:1.520 993 128 x 10^-3;#0.000 000 017 x 10^-3@shielded proton mag. mom. to nuclear magneton ratio*:2.792 775 598;#0.000 000 030@speed of light in vacuum *:299 792 458;m s^-1#0@standard acceleration of gravity*:9.806 65;m s^-2#0@standard atmosphere*:101 325;Pa#0@Stefan-Boltzmann constant*:5.670 400 x 10^-8;W m^-2 K^-4#0.000 040 x 10^-8@tau Compton wavelength*:0.697 72 x 10^-15;m#0.000 11 x 10^-15@tau Compton wavelength over 2 pi*:0.111 046 x 10^-15;m#0.000 018 x 10^-15@tau-electron mass ratio*:3477.48;#0.57@tau mass *:3.167 77 x 10^-27;kg#0.000 52 x 10^-27@tau mass energy equivalent*:2.847 05 x 10^-10;J#0.000 46 x 10^-10@tau mass energy equivalent in MeV*:1776.99;MeV#0.29@tau mass in u*:1.907 68;u#0.000 31@tau molar mass*:1.907 68 x 10^-3;kg mol^-1#0.000 31 x 10^-3@tau-muon mass ratio*:16.8183;#0.0027@tau-neutron mass ratio*:1.891 29;#0.000 31@tau-proton mass ratio*:1.893 90;#0.000 31@Thomson cross section*:0.665 245 8558 x 10^-28;m^2#0.000 000 0027 x 10^-28@triton-electron mag. mom. ratio*:-1.620 514 423 x 10^-3;#0.000 000 021 x 10^-3@triton-electron mass ratio*:5496.921 5269;#0.000 0051@triton g factor*:5.957 924 896;#0.000 000 076@triton mag. mom.*:1.504 609 361 x 10^-26;J T^-1#0.000 000 042 x 10^-26@triton mag. mom. to Bohr magneton ratio*:1.622 393 657 x 10^-3;#0.000 000 021 x 10^-3@triton mag. mom. to nuclear magneton ratio*:2.978 962 448;#0.000 000 038@triton mass*:5.007 355 88 x 10^-27;kg#0.000 000 25 x 10^-27@triton mass energy equivalent*:4.500 387 03 x 10^-10;J#0.000 000 22 x 10^-10@triton mass energy equivalent in MeV*:2808.920 906;MeV#0.000 070@triton mass in u *:3.015 500 7134;u#0.000 000 0025@triton molar mass*:3.015 500 7134 x 10^-3;kg mol^-1#0.000 000 0025 x 10^-3@triton-neutron mag. mom. ratio*:-1.557 185 53;#0.000 000 37@triton-proton mag. mom. ratio*:1.066 639 908;#0.000 000 010@triton-proton mass ratio*:2.993 717 0309;#0.000 000 0025@unified atomic mass unit*:1.660 538 782 x 10^-27;kg#0.000 000 083 x 10^-27@von Klitzing constant *:25 812.807 557;ohm#0.000 018@weak mixing angle*:0.222 55;#0.000 56@Wien frequency displacement law constant*:5.878 933 x 10^10;Hz K^-1#0.000 010 x 10^10@Wien wavelength displacement law constant*:2.897 7685 x 10^-3;m K#0.000 0051 x 10^-3@