Standard enthalpy change of formation (data table)
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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 ΔHfo values in kcal/mol, and the table for Miscellaneous Compounds and Elements contains these values in kJ/mol.
Contents |
[edit] Alkanes
| Formula | Name | SMILES | ΔHf (kcal/mol) | CAS registry number |
|---|---|---|---|---|
| H2 | Hydrogen | [H][H] | 0.0 | |
| CH4 | Methane | C | -17.9 | 000074-82-8 |
| C2H6 | Ethane | CC | -20.0 | 000074-84-0 |
| C3H8 | n-Propane | CCC | -25.0 | 000074-98-6 |
| C4H10 | n-Butane | CCCC | -30.0 | 000106-97-8 |
| C5H12 | n-Pentane | CCCCC | -35.1 | 000109-66-0 |
| C6H14 | n-Hexane | CCCCCC | -40.0 | 000110-54-3 |
| C7H16 | n-Heptane | CCCCCCC | -44.9 | 000142-82-5 |
| C8H18 | n-Octane | CCCCCCCC | -49.8 | 000111-65-9 |
| C9H20 | n-Nonane | CCCCCCCCC | -54.8 | 000111-84-2 |
| C10H22 | n-Decane | CCCCCCCCCC | -59.6 | 000124-18-5 |
| C4H10 | 2-Methylpropane (Isobutane) | CC(C)C | -32.1 | 000075-28-5 |
| C5H12 | 2,2-Dimethylpropane (Neopentane) | CC(C)(C)C | -40.1 | 000463-82-1 |
| C5H12 | 2-Methylbutane (Isopentane) | CCC(C)C | -36.9 | 000078-78-4 |
| C6H14 | 2,2-Dimethylbutane | CCC(C)(C)C | -44.5 | 000075-83-2 |
| C6H14 | 2-Methylpentane (Isohexane) | CCCC(C)C | -41.8 | 000107-83-5 |
| C6H14 | 3-Methylpentane | CCC(C)CC | -41.1 | 000096-14-0 |
| C6H14 | 2,3-Dimethylbutane | CC(C)C(C)C | -42.5 | 000079-29-8 |
| C7H16 | 2,2,3-Trimethylbutane | CC(C)C(C)(C)C | -49.0 | 000464-06-2 |
| C7H16 | 3-ethylpentane | CCC(CC)CC | -45.3 | 000617-78-7 |
| C8H18 | 2,2,3,3-Tetramethylbutane | CC(C)(C)C(C)(C)C | -53.9 | 000594-82-1 |
| C7H16 | 2-Methylhexane | CCCCC(C)C | -46.5 | 000591-76-4 |
| C7H16 | 3-Methylhexane | CCCC(C)CC | -45.7 | 000589-34-4 |
| C7H16 | 2,2-Dimethylpentane | CCCC(C)(C)C | -49.2 | 000590-35-2 |
| C7H16 | 3,3-Dimethylpentane | CCC(C)(C)CC | -48.1 | 000562-49-2 |
| C7H16 | 2,3-Dimethylpentane | CCC(C)C(C)C | -47.3 | 000565-59-3 |
| C7H16 | 2,4-Dimethylpentane | CC(C)CC(C)C | -48.2 | 000108-08-7 |
| C8H18 | 2-Methylheptane | CCCCCC(C)C | -51.5 | 000592- |
| C8H18 | 2,2-Dimethylhexane | CCCCC(C)(C)C | -53.7 | 000590-73-8 |
| C8H18 | 2,3-Dimethylhexane | CCCC(C)C(C)C | -55.1 | 000584-94-1 |
| C8H18 | 2,4-Dimethylhexane | CCC(C)CC(C)C | -52.4 | 000589-43-5 |
| C8H18 | 2,5-Dimethylhexane | CC(C)CCC(C)C | -53.2 | 000592-13-2 |
| C8H18 | 3,3-Dimethylhexane | CCCC(C)(C)CC | -52.6 | 000563-16-6 |
| C8H18 | 3,4-Dimethylhexane | CCC(C)C(C)CC | -50.9 | 000583-48-2 |
| C8H18 | 3-Ethyl-2-Methylpentane | CCC(CC)C(C)C | -50.4 | 000609-26-7 |
| C8H18 | 3-Ethyl-3-Methylpentane | CCC(C)(CC)CC | -51.4 | 001067-08-9 |
| C8H18 | 2,2,3-Trimethylpentane | CCC(C)C(C)(C)C | -52.6 | 000564-02-3 |
| C8H18 | 2,2,4-Trimethylpentane (Isooctane) | CC(C)CC(C)(C)C | -53.5 | 000540-84-1 |
| C8H18 | 2,3,3-Trimethylpentane | CCC(C)(C)C(C)C | -51.7 | 000560-21-4 |
| C8H18 | 2,3,4-Trimethylpentane | CC(C)C(C)C(C)C | -51.9 | 000565-75-3 |
| C9H20 | 3,3-Diethylpentane | CCC(CC)(CC)CC | -55.7 | 001067-20-5 |
| C9H20 | 2,2,3,3-Tetramethylpentane | CCC(C)(C)C(C)(C)C | -56.7 | 007154-79-2 |
| C9H20 | 2,2,3,4-Tetramethylpentane | CC(C)C(C)C(C)(C)C | -56.6 | 001186-53-4 |
| C9H20 | 2,2,4,4-Tetramethylpentane | CC(C)(C)CC(C)(C)C | -57.8 | 001070-87-7 |
| C9H20 | 2,3,3,4-Tetramethylpentane | CC(C)C(C)(C)C(C)C | -56.4 | 016747-38-9 |
[edit] Miscellaneous Compounds
| Species | Phase(Matter) | Chemical Formula | ΔHfo (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 | BrF3 | -255.60 |
| Hydrobromic Acid | Gas | HBr | -36.29 |
| Calcium | |||
| Calcium | Solid | Ca | 0 |
| Calcium | Gas | Ca | 178.2 |
| Calcium(II) Ion | Gas | Ca2+ | 1925.90 |
| Calcium Carbide | Solid | CaC2 | -59.8 |
| Calcium Carbonate(Calcite) | Solid | CaCO3 | -1207.6 |
| Calcium Chloride | Solid | CaCl2 | -795.8 |
| Calcium Phosphate | Solid | Ca3(PO4)2 | -4132 |
| 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 |
| Caesium | |||
| Caesium | Solid | Cs | 0 |
| Caesium(I) ion | Gas | Cs+ | 457.964 |
| Caesium chloride | Solid | CsCl | -443.04 |
| Chlorine | |||
| Chlorine | Gas | Cl2 | 0 |
| Chromium | |||
| Chromium | Solid | Cr | 0 |
| Copper | |||
| Copper | Solid | Cu | 0 |
| Fluorine | |||
| Fluorine | Gas | F2 | 0 |
| 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 |
| Hydrogen Iodide | Gas | HI | +26.5 |
| 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 | |||
[edit] References
- NIST Chemistry WebBook
- Chemistry and Chemical Reactivity- Sixth Edition. John C. Kotz, Paul M. Treichel, and Gabriela C. Weaver. ISBN 0-534-99766-X.
- CRC Handbook of Thermophysical and Thermochemical Data. David R. Lide, Henry V. Kehiaian. ISBN-13: 978-0849301971
