The following table lists the Van der Waals constants (from the Van der Waals equation) for a number of common gases and volatile liquids.[1]
To convert from
L2bar/mol2 |
L2kPa/mol2 |
L2bar/mol2 |
m6Pa/mol2 |
L/mol
m3/mol |
a (L2bar/mol2) | b (L/mol) | |
---|---|---|
Acetic acid | 17.7098 | 0.1065 |
Acetic anhydride | 20.158 | 0.1263 |
Acetone | 16.02 | 0.1124 |
Acetonitrile | 17.81 | 0.1168 |
Acetylene | 4.516 | 0.0522 |
Ammonia | 4.225 | 0.0371 |
Aniline[2] | 29.14 | 0.1486 |
Argon | 1.355 | 0.03201 |
Benzene | 18.24 | 0.1193 |
Bromobenzene | 28.94 | 0.1539 |
Butane | 14.66 | 0.1226 |
1-Butanol | 20.94 | 0.1326 |
2-Butanone | 19.97 | 0.1326 |
Carbon dioxide | 3.640 | 0.04267 |
Carbon disulfide | 11.77 | 0.07685 |
Carbon monoxide | 1.505 | 0.0398500 |
Carbon tetrachloride | 19.7483 | 0.1281 |
Chlorine | 6.579 | 0.05622 |
Chlorobenzene | 25.77 | 0.1453 |
Chloroethane | 11.05 | 0.08651 |
Chloromethane | 7.570 | 0.06483 |
Cyanogen | 7.769 | 0.06901 |
Cyclohexane | 23.11 | 0.1424 |
Cyclopropane | 8.34 | 0.0747 |
Decane | 52.74 | 0.3043 |
1-Decanol | 59.51 | 0.3086 |
Diethyl ether | 17.61 | 0.1344 |
Diethyl sulfide | 19.00 | 0.1214 |
Dimethyl ether | 8.180 | 0.07246 |
Dimethyl sulfide | 13.04 | 0.09213 |
Dodecane | 69.38 | 0.3758 |
1-Dodecanol | 75.70 | 0.3750 |
Ethane | 5.562 | 0.0638 |
Ethanethiol | 11.39 | 0.08098 |
Ethanol | 12.18 | 0.08407 |
Ethyl acetate | 20.72 | 0.1412 |
Ethylamine | 10.74 | 0.08409 |
Ethylene | 4.612 | 0.0582 |
Fluorine | 1.171 | 0.0290 |
Fluorobenzene | 20.19 | 0.1286 |
Fluoromethane | 4.692 | 0.05264 |
Freon | 10.78 | 0.0998 |
Furan | 12.74 | 0.0926 |
Germanium tetrachloride | 22.90 | 0.1485 |
Helium | 0.0346 | 0.0238 |
Heptane | 31.06 | 0.2049 |
1-Heptanol | 38.17 | 0.2150 |
Hexane | 24.71 | 0.1735 |
1-Hexanol | 31.79 | 0.1856 |
Hydrazine | 8.46 | 0.0462 |
Hydrogen | 0.2476 | 0.02661 |
Hydrogen bromide | 4.510 | 0.04431 |
Hydrogen chloride | 3.716 | 0.04081 |
Hydrogen cyanide | 11.29 | 0.0881 |
Hydrogen fluoride | 9.565 | 0.0739 |
Hydrogen iodide | 6.309 | 0.0530 |
Hydrogen selenide | 5.338 | 0.04637 |
Hydrogen sulfide | 4.490 | 0.04287 |
Isobutane | 13.32 | 0.1164 |
Iodobenzene | 33.52 | 0.1656 |
Krypton | 2.349 | 0.03978 |
Mercury | 8.200 | 0.01696 |
Methane | 2.253 | 0.04278 |
Methanol | 9.649 | 0.06702 |
Methylamine | 7.106 | 0.0588 |
Neon | 0.2135 | 0.01709 |
Neopentane | 17.17 | 0.1411 |
Nitric oxide | 1.358 | 0.02789 |
Nitrogen | 1.370 | 0.0387 |
Nitrogen dioxide | 5.354 | 0.04424 |
Nitrogen trifluoride | 3.58 | 0.0545 |
Nitrous oxide | 3.832 | 0.04415 |
Octane | 37.88 | 0.2374 |
1-Octanol | 44.71 | 0.2442 |
Oxygen | 1.382 | 0.03186 |
Ozone | 3.570 | 0.0487 |
Pentane | 19.26 | 0.146 |
1-Pentanol | 25.88 | 0.1568 |
Phenol | 22.93 | 0.1177 |
Phosphine | 4.692 | 0.05156 |
Propane | 8.779 | 0.08445 |
1-Propanol | 16.26 | 0.1079 |
2-Propanol | 15.82 | 0.1109 |
Propene | 8.442 | 0.0824 |
Pyridine | 19.77 | 0.1137 |
Pyrrole | 18.82 | 0.1049 |
Radon | 6.601 | 0.06239 |
Silane | 4.377 | 0.05786 |
Silicon tetrafluoride | 4.251 | 0.05571 |
Sulfur dioxide | 6.803 | 0.05636 |
Sulfur hexafluoride | 7.857 | 0.0879 |
Tetrachloromethane | 20.01 | 0.1281 |
Tetrachlorosilane | 20.96 | 0.1470 |
Tetrafluoroethylene | 6.954 | 0.0809 |
Tetrafluoromethane | 4.040 | 0.0633 |
Tetrafluorosilane | 5.259 | 0.0724 |
Tetrahydrofuran | 16.39 | 0.1082 |
Tin tetrachloride | 27.27 | 0.1642 |
Thiophene | 17.21 | 0.1058 |
Toluene | 24.38 | 0.1463 |
1-1-1-Trichloroethane | 20.15 | 0.1317 |
Trichloromethane | 15.34 | 0.1019 |
Trifluoromethane | 5.378 | 0.0640 |
Trimethylamine | 13.37 | 0.1101 |
Water | 5.536 | 0.03049 |
Xenon | 4.250 | 0.05105 |
1 J·m3/mol2 = 1 m6·Pa/mol2 = 10 L2·bar/mol2
1 L2atm/mol2 = 0.101325 J·m3/mol2 = 0.101325 Pa·m6/mol2
1 dm3/mol = 1 L/mol = 1 m3/kmol = 0.001 m3/mol (where kmol is kilomoles = 1000 moles)