These tables include heat of formation data gathered from a variety of sources, including the primary and secondary literature, as well as the NIST Chemistry WebBook. Note that the table for Alkanes contains ΔHf o values in kCal, and the table for Miscellaneous Compounds and Elements contains these values in kJ/mol.
Species | Phase(Matter) | Chemical Formula | ΔHf o (kJ/mol) |
---|---|---|---|
Aluminum | |||
Aluminum | Solid | Al | 0 |
Aluminum Chloride | Solid | AlCl3 | -705.63 |
Aluminum Oxide | Solid | Al2O3 | -1675.7 |
Barium | |||
Barium Chloride | Solid | BaCl2 | -858.6 |
Barium Carbonate | Solid | BaCO3 | -1213 |
Barium Oxide | Solid | BaO | -548.1 |
Barium Sulfate | Solid | BaSO4 | -1473.2 |
Beryllium | |||
Beryllium | Solid | Be | 0 |
Beryllium Hydroxide | Solid | Be(OH)2 | -902.5 |
Boron | |||
Boron Trichloride | Solid | BCl3 | -402.96 |
Bromine | |||
Bromine | Liquid | Br2 | 0 |
Bromine | Gas | Br | 111.884 |
Bromine | Gas | Br2 | 30.91 |
Bromine Trifluoride | Gas | BF3 | -255.60 |
Hydrobromic Acid | Gas | HBr | -36.29 |
Calcium | |||
Calcium | Solid | Ca | 0 |
Calcium | Gas | Ca | 178.2 |
Calcium(II) Ion | Gas | Ca 2+ | 1925.90 |
Calcium Carbide | Solid | CaC2 | -59.8 |
Calcium Carbonate(Calcite) | Solid | CaCO3 | -1207.6 |
Calcium Chloride | Solid | CaCl2 | -795.8 |
Calcium Fluoride | Solid | CaF2 | -1219.6 |
Calcium Hydride | Solid | CaH2 | -186.2 |
Calcium Hydroxide | Solid | Ca(OH)2 | -986.09 |
Calcium Hydroxide | Aqueous | Ca(OH)2 | -1002.82 |
Calcium Oxide | Solid | CaO | -635.09 |
Calcium Sulfate | Solid | CaSO4 | -1434.52 |
Calcium Sulfide | Solid | CaS | -482.4 |
Carbon | Alkanes Above | ||
Benzene | Liquid | C6H6 | 48.95 |
Benzoic Acid | Solid | C7H6O2 | -385.2 |
Carbon(Graphite) | Solid | C | 0 |
Carbon(Diamond) | Solid | C | 1.8 |
Carbon | Gas | C | -716.67 |
Carbon Dioxide | Gas | CO2 | -393.509 |
Carbon disulfide | Liquid | CS2 | 89.41 |
Carbon disulfide | Gas | CS2 | 116.7 |
Carbon Monoxide | Gas | CO | -110.525 |
Carbon Tetrachloride | Liquid | CCl4 | -139.5 |
Carbon Tetrachloride | Gas | CCl4 | -103.18 |
Carbonyl Chloride(Phosgene) | Gas | COCl2 | -218.8 |
Ethane | Gas | C2H6 | -83.85 |
Ethanol | Liquid | C2H5OH | -277.0 |
Ethanol | Gas | C2H5OH | -235.3 |
Ethene | Gas | C2H4 | 52.47 |
Ethyne | Gas | C2H2 | 226.73 |
Methane | Gas | CH4 | -74.87 |
Methanol(Methyl Alcohol) | Liquid | CH3OH | -238.4 |
Methanol(Methyl Alcohol) | Gas | CH3OH | -201.0 |
Methyl Trichloride(Chloroform) | Liquid | CHCl3 | -134.47 |
Methyl Trichloride(Chloroform) | Gas | CHCl3 | -103.18 |
Propane | Liquid | C3H8 | -104.7 |
Cesium | |||
Cesium | Solid | Cs | 0 |
Cesium(I) Ion | Gas | Cs + | 457.964 |
Cesium Chloride | Solid | CsCl | -443.04 |
Chlorine | |||
Chlorine | Gas | Cl2 | 0 |
Chromium | |||
Copper | |||
Fluorine | |||
Fluorine | Gas | F2 | |
Hydrogen | |||
Hydrogen | Gas | H2 | 0 |
Water | Liquid | H2O | -285.83 |
Water | Gas | H2O | -241.83 |
Hydrogen Peroxide | Liquid | H2O2 | -187.78 |
Hydrogen Cyanide | Gas | HCN | +130.5 |
Hydrofluoric Acid | Gas | HF | -269 |
Hydrochloric acid | Gas | HCl | -92.30 |
Iodine | |||
Iodine | Solid | I2 | 0 |
Iodine | Gas | I2 | 62.438 |
Iron | |||
Lead | |||
Lithium | |||
Magnesium | |||
Magnesium Carbonate | Solid | MgCO3 | -1111.69 |
Magnesium Chloride | Solid | MgCl2 | -641.8 |
Magnesium Hydroxide | Solid | Mg(OH)2 | -924.54 |
Magnesium Oxide | Solid | MgO | -601.24 |
Magnesium sulfate | Solid | MgSO4 | -1278.2 |
Manganese | |||
Manganese(II) Oxide | Solid | MnO | -384.9 |
Manganese(IV) Oxide | Solid | MnO2 | -519.7 |
Mercury | |||
Mercury(II) Oxide (red) | Solid | HgO | -90.83 |
Mercury Sulfide (red, cinnabar) | Solid | HgS | -58.2 |
Nickel | |||
Nitrogen | |||
Ammonia | Aqueous | NH3 | -80.8 |
Ammonia | Gas | NH3 | -45.90 |
Nitrogen Dioxide | Gas | NO2 | 33.1 |
Nitrogen Monoxide | Gas | NO | 90.29 |
Oxygen | |||
Phosphorus | |||
Phosphorus trichloride | Liquid | PCl3 | -320 |
Phosphorus pentachloride | Solid | PCl5 | -440 |
Potassium | |||
Potassium Bromide | Solid | KBr | -392.2 |
Potassium Chlorate | Solid | KClO3 | -397.73 |
Potassium Chloride | Solid | KCl | -436.68 |
Potassium Fluoride | Solid | KF | -562.6 |
Silicon | |||
Silica (Quartz) | Solid | SiO2 | -910.86 |
Silver | |||
Silver Bromide | Solid | AgBr | -99.5 |
Silver Chloride | Solid | AgCl | -127.01 |
Silver Iodide | Solid | AgI | -62.4 |
Silver Oxide | Solid | Ag2O | -31.1 |
Silver Sulfide | Solid | Ag2S | -31.8 |
Sodium | |||
Sodium Carbonate | Solid | Na2CO3 | -1130.77 |
Sodium Chloride | Aqueous | NaCl | -407.27 |
Sodium Chloride | Solid | NaCl | -411.12 |
Sodium Chloride | Liquid | NaCl | -385.92 |
Sodium Chloride | Gas | NaCl | -181.42 |
Sodium Fluoride | Solid | NaF | -569.0 |
Sodium Hydroxide | Aqueous | NaOH | -469.15 |
Sodium Hydroxide | Solid | NaOH | -425.93 |
Sodium Nitrate | Aqueous | NaNO3 | -446.2 |
Sodium Nitrate | Solid | NaNO3 | -424.8 |
Sulfur | |||
Hydrogen Sulfide | Gas | H2S | -20.63 |
Sulfur Dioxide | Gas | SO2 | -296.84 |
Sulfuric acid | Liquid | H2SO4 | -814 |
Tin | |||
Titanium | |||
Zinc |