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Standard enthalpy change of formation (data table)



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, and the table for Miscellaneous Compounds and Elements contains these values in kJ/mol.

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 CC(C)C -32.1 000075-28-5
C5H12 2,2-Dimethylpropane CC(C)(C)C -40.1 000463-82-1
C5H12 2-Methylbutane CCC(C)C -36.9 000078-78-4
C6H14 2,2-Dimethylbutane CCC(C)(C)C -44.5 000075-83-2
C6H14 2-Methylpentane 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 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

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 BF3 -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 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

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
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Standard_enthalpy_change_of_formation_(data_table)". A list of authors is available in Wikipedia.
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