Standard enthalpy of formation, Gibbs energy of formation, entropy and molar heat capacity of organic substances
The standard enthalpy of formation, Gibbs energy of formation, entropy and molar heat capacity are tabulated for more than hundred organic substances.
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ΔH°f: The standard enthalpy of formation at 25°C (298,15 K) for 1 mol of the substance in its given state (g= gas and l= liquide) from its elements in their standard state (stable forms at 1 bar and 25°C)
ΔG°f: The standard Gibbs free energy of formation at 25°C (298,15 K) for 1 mol of the substance in its given state (g= gas and l= liquide) from its elements in their standard state (stable forms at 1 bar and 25°C)
S°: The standard entropy for 1 mol of the substance in its given state (g= gas and l= liquide) at 1 bar and 25°C
Cp: The standard molar specific heat capacity of the substance in its given state (g= gas and l= liquide) at constant pressure and 25°C
See also Thermodyamics key values internationally agreed, and Standard state and enthalpy of formation, Gibbs free energy of formation, entropy and heat capacity for ΔH°f, ΔG°f, S° and Cp for more than 370 inorganic substances and gases, common liquids and fluids, food and foodstuff, metals and semimetals, common solids and other common substances for tabulated values of specific heat capacity, cp.
| Substance | Brutto formula | ΔH°f @25°C kJ/mol |
ΔG°f @25°C kJ/mol |
S° @25°C J/(mol K) |
Cp @25°C J/(mol K) |
| Bromoform (g) | CHBr3 | 25 | 16 | 331 | 71 |
| Chloroform (l) | CHCl3 | -134.1 | -73.7 | 201.7 | 114.2 |
| Chloroform (g) | CHCl3 | -102.7 | 6.0 | 295.7 | 65.7 |
| Formic acid (l) | CH2O2 | -425 | -361.4 | 129 | 99 |
| Formic acid (g) | CH2O2 | -378.7 | |||
| Methyl (g) | CH3 | 145.7 | 47.9 | 194.2 | 38.7 |
| Bromomethane (l) | CH3Br | -59.8 | |||
| Bromomethane (g) | CH3Br | -35.4 | -26.3 | 246.4 | 42.4 |
| Chloromethane (g) | CH3Cl | -81.9 | -63 | 234.6 | 40.8 |
| Fluormethane (g) | CH3F | -234 | -210 | 222.9 | 37.5 |
| Iodomethane (l) | CH3I | -13.6 | 136.2 | 126 | |
| Iodomethane (g) | CH3I | 14.4 | 16 | 254.1 | 44.1 |
| Nitromethane (l) | CH3NO2 | -112.6 | -14.4 | 171.8 | 106.6 |
| Nitromethane (g) | CH3NO2 | -80.8 | -7 | 282.9 | 55.5 |
| Methane (g) | CH4 | -74.6 | -50.5 | 186.3 | 35.7 |
| Methanol (l) | CH4O | -239.2 | -166.6 | 126.8 | 81.1 |
| Methanol (g) | CH4O | -201 | -162.3 | 239.9 | 44.1 |
| Methylamine (l) | CH5N | -47.3 | 35.7 | 150.2 | 102.1 |
| Methylamine (g) | CH5N | -22.5 | 32.7 | 242.9 | 50.1 |
| Ethyne (acetylene) (g) | C2H2 | 226.9 | 209 | 201 | 44 |
| Ethene (g) | C2H4 | 52.5 | 68.4 | 219.3 | 42.9 |
| Acetic acid (l) | C2H4O2 | -484.3 | -389.9 | 159.8 | 123.3 |
| Acetic acid (g) | C2H4O2 | -432.2 | -374.2 | 283.5 | 63.4 |
| Bromoethane (l) | C2H5Br | -90.5 | -25.8 | 198.7 | 100.8 |
| Bromoethane (g) | C2H5Br | -61.9 | -23.9 | 286.7 | 64.5 |
| Chloroethane (l) | C2H5Cl | -136.8 | -59.3 | 190.8 | 104.3 |
| Chloroethane (g) | C2H5Cl | -112.1 | -60.4 | 276 | 62.8 |
| Nitroethane (l) | C2H5NO2 | -143.9 | 134.4 | ||
| Nitroethane (g) | C2H5NO2 | -103.8 | -5 | 320.5 | 79 |
| Ethane (g) | C2H6 | -84 | -32 | 229.2 | 52.5 |
| Ethanol (l) | C2H6O | -277.6 | -174.8 | 160.7 | 112.3 |
| Ethanol (g) | C2H6O | -234.8 | -167.9 | 281.6 | 65.6 |
| Methoxymethane (l) | C2H6O | -203,3 | |||
| Methoxymethane (g) | C2H6O | -184.1 | -112.6 | 266.4 | |
| Ethylamine (l) | C2H7N | -74.1 | 130 | ||
| Ethylamine (g) | C2H7N | -47.5 | 36.3 | 283.8 | 71.5 |
| Cyclopropene (g) | C3H4 | 277.1 | 286 | 244 | 53 |
| Propyne (g) | C3H4 | 185 | 194 | 248 | 61 |
| Cyclopropane (l) | C3H6 | 35.2 | |||
| Cyclopropane (g) | C3H6 | 53.3 | 104.5 | 237.5 | 55.6 |
| Propene (g) | C3H6 | 20 | 62 | 267 | 64 |
| Acetone (l) | C3H6O | -248.4 | 199.8 | 126.3 | |
| Acetone (g) | C3H6O | -217.1 | -152.7 | 295.3 | 74.5 |
| Propanoic acid (l) | C3H6O2 | -510.7 | 191 | 152.8 | |
| Propanoic acid (g) | C3H6O2 | -455.7 | |||
| Propane (l) | C3H8 | -120.9 | |||
| Propane (g) | C3H8 | -103.8 | -23.4 | 270.3 | 73.6 |
| 1-Propanol (l) | C3H8O | -302.6 | 193.6 | 143.9 | |
| 1-Propanol (g) | C3H8O | -255.1 | 322.6 | 85.6 | |
| 2-Propanol (l) | C3H8O | -318.1 | 181.1 | 156.5 | |
| 2-Propanol (g) | C3H8O | -272.6 | 309.2 | 89.3 | |
| 1-Propanamine (g) | C3H9N | -72 | 40 | 324 | |
| 1-Butyne (l) | C4H6 | 141.4 | |||
| 1-Butyne (g) | C4H6 | 165.2 | 202 | 291 | 81 |
| 2-Butyne (l) | C4H6 | 119.1 | |||
| 2-Butyne (g) | C4H6 | 145.7 | 185 | 283 | 78 |
| Cyclobutene (g) | C4H6 | 156.7 | 175 | 64 | 64 |
| 2-Methyl-1-propene (g) | C4H8 | -17 | 58 | 294 | 89 |
| 1-Butene (l) | C4H8 | -20.8 | 227 | 118 | |
| 1-Butene (g) | C4H8 | 0.1 | 71 | 306 | 86 |
| Cyclobutane (l) | C4H8 | 3.7 | |||
| Cyclobutane (g) | C4H8 | 27.7 | 110 | 265 | nd |
| Butanoic acid (l) | C4H8O2 | -533.8 | 222.2 | 178.6 | |
| Butanoic acid (g) | C4H8O2 | -475.9 | |||
| 2-Methylpropane (g) | C4H10 | -135 | -21 | 295 | 97 |
| Butane (l) | C4H10 | -147.3 | 140.9 | ||
| Butane (g) | C4H10 | -125.7 | -17 | 310 | 98 |
| 1-Butanol (l) | C4H10O | -327.3 | 225.8 | 177.2 | |
| 1-Butanol (g) | C4H10O | -274.9 | |||
| 2-Butanol (l) | C4H10O | -342.6 | 214.9 | 196.9 | |
| 2-Butanol (g) | C4H10O | -292.8 | 359.5 | 112.7 | |
| 1-Pentyne (g) | C5H8 | 144 | 210 | 330 | 105 |
| 2-Pentyne (g) | C5H8 | 129 | 194 | 332 | 99 |
| Cyclopentene (l) | C5H8 | 4.3 | 201.2 | 122.4 | |
| Cyclopentene (g) | C5H8 | 34 | 111 | 290 | 75 |
| 1-Pentene (l) | C5H10 | -46.9 | 262.6 | 154 | |
| 1-Pentene (g) | C5H10 | -21.1 | 79 | 346 | 110 |
| 2-Methyl-1-butene (g) | C5H10 | -35.2 | 66 | 340 | 112 |
| 2-Methyl-1-butene (l) | C5H10 | -61.1 | 254 | 157.2 | |
| Cyclopentane (l) | C5H10 | -105.1 | 204.5 | 128.8 | |
| Cyclopentane (g) | C5H10 | -76.4 | 39 | 293 | 83 |
| Pentanoic acid (l) | C5H10O2 | -559.4 | 259.8 | 210.3 | |
| Pentanoic acid (g) | C5H10O2 | -491.9 | |||
| 2,2-Dimethylpropane (g) | C5H12 | -166 | -15 | 306 | 122 |
| 2-Methylbutane (g) | C5H12 | -155 | -15 | 344 | 119 |
| Pentane (l) | C5H12 | -173.5 | 167.2 | ||
| Pentane (g) | C5H12 | -146.9 | -8 | 349 | 120 |
| 1-Pentanol (l) | C5H12O | -351.6 | 208.1 | ||
| 1-Pentanol (g) | C5H12O | -294.6 | |||
| 2-Pentanol (l) | C5H12O | -365.2 | |||
| 2-Pentanol (g) | C5H12O | -311 | |||
| 3-Pentanol (l) | C5H12O | -368.9 | 239.7 | ||
| 3-Pentanol (g) | C5H12O | -314.9 | |||
| Methyl tert-butyl ether(l) | C5H12O | -313.6 | 265.3 | 187.5 | |
| Methyl tert-butyl ether(g) | C5H12O | -283.7 | |||
| Benzene (l) | C6H6 | 49.1 | 124.5 | 173.4 | 136 |
| Benzene (g) | C6H6 | 82.9 | 129.7 | 269.2 | 82.4 |
| Aniline (l) | C6H7N | 191.9 | |||
| Aniline (g) | C6H7N | 87.5 | -7 | 317.9 | 107.9 |
| 1-Hexyne (g) | C6H10 | 124 | 219 | 369 | 128 |
| Cyclohexene (l) | C6H10 | -28.5 | 214.6 | 148.3 | |
| Cyclohexene (g) | C6H10 | -5 | 107 | 311 | 105 |
| 1-Hexene (l) | C6H12 | -74.2 | 295.2 | 183.3 | |
| 1-Hexene (g) | C6H12 | -43.5 | 87 | 385 | 132 |
| 2-Methyl-1-pentene (g) | C6H12 | -59.4 | |||
| 2-Methyl-1-pentene (l) | C6H12 | -90 | |||
| Cyclohexane (l) | C6H12 | -156.4 | 154.9 | ||
| Cyclohexane (g) | C6H12 | -123.4 | 32 | 298 | 106 |
| Methylcyclopentane(g) | C6H12 | -106.2 | |||
| Methylcyclopentane(l) | C6H12 | -137.9 | |||
| Hexanoic acid (l) | C6H12O2 | -583.8 | |||
| Hexanoic acid (g) | C6H12O2 | -511.9 | |||
| 2,2-Dimethylbutane(g) | C6H14 | -185.9 | -10 | 358 | 142 |
| 2,2-Dimethylbutane(l) | C6H14 | -213.8 | 272.5 | 191.9 | |
| 2-Methylpentane (g) | C6H14 | -174.6 | -5 | 381 | 144 |
| 2-Methylpentane (l) | C6H14 | -204.6 | 290.6 | 193.7 | |
| 3-Methylpentane (g) | C6H14 | -171.9 | -2 | 380 | 143 |
| 3-Methylpentane (l) | C6H14 | -202.4 | 292.5 | 190.7 | |
| Hexane (l) | C6H14 | -198.7 | 195.6 | ||
| Hexane (g) | C6H14 | -166.9 | -0.3 | 388 | 143 |
| 1-Hexanol (l) | C6H14O | -377.5 | 287.4 | 240.4 | |
| 1-Hexanol (g) | C6H14O | 315.9 | |||
| 2-Hexanol (l) | C6H14O | -392 | |||
| 2-Hexanol (g) | C6H14O | -333.5 | |||
| Phenol (s) | C7H6O | -165.1 | 144 | 127.4 | |
| Phenol (g) | C7H6O | -96.4 | -33 | 316 | 104 |
| Methylbenzene(l) | C7H8 | 12.0 | 220 | 156 | |
| Methylbenzene(g) | C7H8 | 50.0 | 122 | 321 | 104 |
| 1-Heptene (l) | C7H14 | -97.9 | 327.6 | 211.8 | |
| 1-Heptene (g) | C7H14 | -62.3 | 96 | 424 | 15 |
| Cycloheptane (l) | C7H14 | -156.6 | |||
| Cycloheptane (g) | C7H14 | -118.1 | |||
| Ethylcyclopentane (l) | C7H14 | -163.4 | 279.9 | ||
| Ethylcyclopentane (g) | C7H14 | -126.9 | |||
| Methylcyclohexane(g) | C7H14 | -154.7 | |||
| Methylcyclohexane(l) | C7H14 | -190.1 | 184.8 | ||
| Heptanoic acid (l) | C7H14O2 | -610.2 | 265.4 | ||
| Heptanoic acid (g) | C7H14O2 | -536.2 | |||
| 2,2-Dimethylpentane (g) | C7H16 | -205.7 | |||
| 2,2-Dimethylpentane (l) | C7H16 | -238.3 | 300.3 | 221.1 | |
| 2-Methylhexane (g) | C7H16 | -194.5 | |||
| 2-Methylhexane (l) | C7H16 | -229.5 | 323.3 | 222.9 | |
| 3-Methylhexane (g) | C7H16 | -191.3 | |||
| 3-Methylhexane (l) | C7H16 | -226.4 | |||
| Heptane (l) | C7H16 | -224.2 | 224.7 | ||
| Heptane (g) | C7H16 | -187.6 | 8 | 428 | 166 |
| 1-Heptanol (l) | C7H16O | -403.3 | 272.1 | ||
| 1-Heptanol (g) | C7H16O | -336.5 | |||
| Ethylbenzene (l) | C8H10 | -12.3 | 183.2 | ||
| Ethylbenzene (g) | C8H10 | 29.9 | 131 | 361 | 128 |
| 1-Octene (l) | C8H16 | -124.5 | 241 | ||
| 1-Octene (g) | C8H16 | -81.3 | 104 | 463 | 178 |
| Cyclooctane (l) | C8H16 | -167.7 | |||
| Cyclooctane (g) | C8H16 | -124.4 | |||
| Ethylcyclohexane (l) | C8H16 | -212.1 | 280.9 | 211.8 | |
| Ethylcyclohexane (g) | C8H16 | -171.5 | |||
| Octanoic acid (l) | C8H16O2 | -636 | 297.9 | ||
| Octanoic acid (g) | C8H16O2 | -554.3 | |||
| 2-Methylheptane (g) | C8H18 | -215.3 | |||
| 2-Methylheptane (l) | C8H18 | -255 | 356.4 | 252 | |
| 3-Methylheptane (g) | C8H18 | -212.5 | |||
| 3-Methylheptane(l) | C8H18 | -252.3 | 362.6 | 250.2 | |
| Octane (l) | C8H18 | -250.1 | 254.6 | ||
| Octane (g) | C8H18 | -208.5 | 16 | 467 | 189 |
| 1-Octanol (l) | C8H18O | -426.5 | 305.2 | ||
| 1-Octanol (g) | C8H18O | -355.6 | |||
| 2,2-Dimethylhexane (g) | C8H19 | -224.5 | |||
| 2,2-Dimethylhexane (l) | C8H19 | -261.9 | |||
| Propylcyclohexane (g) | C9H1 | -192 | 420 | 242 | |
| Propylbenzene (g) | C9H12 | 8 | 137 | 401 | 154 |
| 1-Nonyne (l) | C9H16 | 16.3 | |||
| 1-Nonyne (g) | C9H16 | 62.3 | |||
| Nonanoic acid (l) | C9H18O2 | -659.7 | 362.4 | ||
| Nonanoic acid (g) | C9H18O2 | -577.3 | |||
| 2,2-Dimethylheptane(g) | C9H20 | -246 | |||
| 2,2-Dimethylheptane(l) | C9H20 | -288.1 | |||
| Nonane (l) | C9H20 | -274.7 | 284.4 | ||
| Nonane (g) | C9H20 | -228.2 | 25 | 506 | 212 |
| 1-Nonanol (l) | C9H20O | -453.4 | |||
| 1-Nonanol (g) | C9H20O | -376.5 | |||
| Naphthalene (g) | C10H8 | 151 | 224 | 336 | |
| Butylbenzene (l) | C10H14 | -63.2 | 321.2 | 243.4 | |
| Butylbenzene (g) | C10H14 | -11.8 | |||
| 1-Decene (l) | C10H20 | -173.8 | 425 | 300.8 | |
| 1-Decene (g) | C10H20 | -123.3 | 301 | ||
| Butylcyclohexane (l) | C10H20 | -263.1 | 345 | 271 | |
| Butylcyclohexane (g) | C10H20 | -213.7 | |||
| Decanoic acid (s) | C10H20O2 | -713.7 | |||
| Decanoic acid (l) | C10H20O2 | -684.3 | |||
| Decanoic acid (g) | C10H20O2 | -594.9 | |||
| 2-Methylnonane (g) | C10H22 | -260.2 | |||
| 2-Methylnonane (l) | C10H22 | -309.8 | 420.1 | 313.3 | |
| Decane (l) | C10H22 | -300.9 | 314.4 | ||
| Decane (g) | C10H22 | -249.5 | 33 | 545 | 235 |
| 1-Decanol (l) | C10H22O | -478.1 | 370.6 | ||
| 1-Decanol (g) | C10H22O | -396.6 | |||
| 1-Methylnaphthalene (l) | C11H10 | 56.3 | 254.8 | 224.4 | |
| 2-Methylnaphthalene (s) | C11H10 | 44.9 | 220 | 196 | |
| 2-Methylnaphthalene (g) | C11H10 | 106.7 | |||
| 1-Undecene (g) | C11H22 | 344.9 | |||
| Undecane (l) | C11H24 | -327.2 | 344.9 | ||
| Undecane (g) | C11H24 | -270.8 | 42 | 584 | 257 |
| 1-Undecanol (l) | C11H24O | -504.8 | |||
| 1-Dodecene (l) | C12H24 | -226.2 | 484.8 | 360.7 | |
| 1-Dodecene (g) | C12H24 | -165.4 | |||
| Dodecanoic acid (s) | C12H24O2 | -774.6 | 404.3 | ||
| Dodecanoic acid (l) | C12H24O2 | -737.9 | |||
| Dodecanoic acid (g) | C12H24O2 | 642 | |||
| Dodecane (l) | C12H26 | -350.9 | 375.8 | ||
| Dodecane (g) | C12H26 | -289.4 | 50 | 623 | 280 |
| 1-Dodecanol (l) | C12H26O | -528.5 | 438.1 | ||
| 1-Dodecanol (g) | C12H26O | -436.6 | |||
| Anthracene (g) | C14H10 | 231 | |||
| Phenantrene (g) | C14H10 | 207 | |||
| Decylcyclopentane (l) | C15H30 | -367.3 | |||
| Decylbenzene (l) | C16H26 | -218.3 | |||
| Decylbenzene (g) | C16H26 | -138.6 | |||
| 1-Hexadecene (l) | C16H32 | -328.7 | 587.9 | 488.9 | |
| 1-Hexadecene (g) | C16H32 | -248.4 | |||
| Hexadecanoic acid (s) | C16H32O2 | -891.5 | 452.4 | 460.7 | |
| Hexadecanoic acid (l) | C16H32O2 | -838.1 | |||
| Hexadecanoic acid (g) | C16H32O2 | -737.1 | |||
| N-hexadecane (l) | C16H34 | -456.1 | 501.6 | ||
| N-hexadecane (g) | C16H34 | -374.8 | |||
| Chrysene (s) | C18H12 | 145.3 | |||
| Chrysene (g) | C18H12 | 269.8 |
See also Standard state and enthalpy of formation, Gibbs free energy of formation, entropy and heat capacity for ΔH°f, ΔG°f, S° and Cp for more than 370 inorganic substances and gases, common liquids and fluids, food and foodstuff, metals and semimetals, common solids and other common substances for tabulated values of specific heat capacity, cp.
For conversion of units, use the Specific heat online unit converter.
The specific heat capacity can be calculated from the molar heat capacity, and vise versa:
cp = Cp / M and
Cp = cp . M
where
cp = specific heat capacity
Cp = molar heat capacity
M = molar weight of the actual substance (g/mol).
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