Tetradecane
- Formula: C14H30
- Molecular weight: 198.3880
- IUPAC Standard InChIKey: BGHCVCJVXZWKCC-UHFFFAOYSA-N
- CAS Registry Number: 629-59-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: n-Tetradecane
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -332.1 ± 1.8 | kJ/mol | Ccb | Prosen and Rossini, 1945 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°gas | -9393.5 ± 1.6 | kJ/mol | Ccb | Prosen and Rossini, 1945 | Corresponding ΔfHºgas = -403.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 700.40 | J/mol*K | N/A | Stull D.R., 1969 | This value is based on the low-temperature results [ Finke H.L., 1954] for S(liquid).; GT |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -403.3 ± 1.8 | kJ/mol | Ccb | Prosen and Rossini, 1945 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 555.43 | J/mol*K | N/A | Finke, Gross, et al., 1954 | DH |
S°liquid | 562.3 | J/mol*K | N/A | Parks and Light, 1934 | Extrapolation below 90 K, 120.2 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
438.28 | 298.15 | Trejo, Costas, et al., 1991 | DH |
434.20 | 298.15 | Wilhelm, Lainez, et al., 1989 | DH |
438.01 | 298.15 | Costas, Huu, et al., 1988 | DH |
438.01 | 298.15 | Perez-Casas, Aicart, et al., 1988 | DH |
433.53 | 298.15 | Pintos, Bravo, et al., 1988 | DH |
434.16 | 298.15 | Wilhelm, Inglese, et al., 1987 | DH |
433.98 | 298.15 | Wilhelm, Lainez, et al., 1986 | DH |
433.53 | 298.15 | Baluja, Bravo, et al., 1985 | DH |
434.20 | 298.15 | Lainez, Roux-Desgranges, et al., 1985 | DH |
434.20 | 298.15 | Lainez, Wilhelm, et al., 1985 | DH |
435.1 | 296.20 | Grigor'ev and Andolenko, 1984 | T = 296 to 433 K. Unsmoothed experimental datum given as 2.193 kJ/kg*K.; DH |
436.40 | 298.15 | Grolier and Benson, 1984 | DH |
436.52 | 298.15 | Grolier, Inglese, et al., 1984 | DH |
436.91 | 298.15 | Roux, Grolier, et al., 1984 | DH |
436.0 | 298. | Zaripov, 1982 | T = 298, 323, 363 K.; DH |
438.44 | 298.15 | Finke, Gross, et al., 1954 | T = 12 to 300 K.; DH |
434.3 | 290.6 | Parks and Light, 1934 | T = 93 to 291 K. Value is unsmoothed experimental datum.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Henry's Law data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 523. ± 10. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 278.7 ± 0.9 | K | AVG | N/A | Average of 31 out of 32 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 279.02 | K | N/A | Messerly, Guthrie, et al., 1967 | Uncertainty assigned by TRC = 0.05 K; TRC |
Ttriple | 279.020 | K | N/A | Finke, Gross, et al., 1954, 2 | Uncertainty assigned by TRC = 0.02 K; TRC |
Ttriple | 279.020 | K | N/A | Waddington, 1950 | Uncertainty assigned by TRC = 0.2 K; TRC |
Ttriple | 279.010 | K | N/A | Waddington, 1950 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 693. ± 3. | K | AVG | N/A | Average of 11 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 16. ± 2. | bar | N/A | Ambrose and Tsonopoulos, 1995 | |
Pc | 15.73 | bar | N/A | Rosenthal and Teja, 1989 | Uncertainty assigned by TRC = 0.20 bar; TRC |
Pc | 14.40 | bar | N/A | Teja, Lee, et al., 1989 | TRC |
Pc | 14.38 | bar | N/A | Pak and Kay, 1972 | Uncertainty assigned by TRC = 0.6894 bar; corrected for vapor pressure of HG, and extrapolated to zero to correct for decomposition; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.894 | l/mol | N/A | Ambrose and Tsonopoulos, 1995 | |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 1.1 ± 0.2 | mol/l | N/A | Ambrose and Tsonopoulos, 1995 | |
ρc | 1.12 | mol/l | N/A | Anselme, Gude, et al., 1990 | Uncertainty assigned by TRC = 0.03 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 71.6 ± 0.6 | kJ/mol | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 117.6 | kJ/mol | B | Morawetz, 1972 | AC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
395.1 | 0.013 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
69.0 | 324. | C | Viton, Chavret, et al., 1996 | AC |
68.6 | 329. | C | Viton, Chavret, et al., 1996 | AC |
67.9 | 334. | C | Viton, Chavret, et al., 1996 | AC |
66.8 | 344. | C | Viton, Chavret, et al., 1996 | AC |
65.7 | 359. | C | Viton, Chavret, et al., 1996 | AC |
67.8 | 328. | A | Stephenson and Malanowski, 1987 | Based on data from 313. to 433. K.; AC |
57.1 | 447. | A | Stephenson and Malanowski, 1987 | Based on data from 432. to 529. K. See also Camin and Rossini, 1955.; AC |
64.1 | 361. | GS | Allemand, Jose, et al., 1986 | Based on data from 343. to 395. K.; AC |
70.1 | 313. | C | Sunner and Svensson, 1979 | AC |
68.9 | 328. | C | Sunner and Svensson, 1979 | AC |
57.8 | 449. | ME | Ubbelohde, 1938 | Based on data from 429. to 468. K.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 358. | 95.66 | 0.2965 | 694. | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
428.01 to 527.31 | 4.13735 | 1739.623 | -105.616 | Camin and Rossini, 1955 |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
45.070 | 279.03 | N/A | Finke, Gross, et al., 1954 | DH |
42.7 | 278.3 | DSC | Mondieig, Rajabalee, et al., 2004 | AC |
45.07 | 279. | N/A | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
161.52 | 279.03 | Finke, Gross, et al., 1954 | DH |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.1824 | 194. | crystaline, II | crystaline, I | Parks and Light, 1934 | DH |
44.267 | 288.7 | crystaline, I | liquid | Parks and Light, 1934 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.94 | 194. | crystaline, II | crystaline, I | Parks and Light, 1934 | DH |
153.3 | 288.7 | crystaline, I | liquid | Parks and Light, 1934 | DH |
Henry's Law data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
0.00087 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-2814 |
NIST MS number | 229858 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Prosen and Rossini, 1945
Prosen, E.J.; Rossini, F.D.,
Heats of combustion and formation of the paraffin hydrocarbons at 25° C,
J. Res. NBS, 1945, 263-267. [all data]
Stull D.R., 1969
Stull D.R., Jr.,
The Chemical Thermodynamics of Organic Compounds. Wiley, New York, 1969. [all data]
Finke H.L., 1954
Finke H.L.,
Low-temperature thermal data for the nine normal paraffin hydrocarbons from octane to hexadecane,
J. Am. Chem. Soc., 1954, 76, 333-341. [all data]
Finke, Gross, et al., 1954
Finke, H.L.; Gross, M.E.; Waddington, G.; Huffman, H.M.,
Low-temperature thermal data for the nine normal paraffin hydrocarbons from octane to hexadecane,
J. Am. Chem. Soc., 1954, 76, 333-341. [all data]
Parks and Light, 1934
Parks, G.S.; Light, D.W.,
Thermal data on organic compounds. XIII. The heat capacities and entropies of n-tetradecane and the hydroxybenzoic acids. The relative free energies of some benzenoid position isomers,
J. Am. Chem. Soc., 1934, 56, 1511-1513. [all data]
Trejo, Costas, et al., 1991
Trejo, L.M.; Costas, M.; Patterson, D.,
Excess heat capacity of organic mixtures, Internat. DATA Series,
Selected Data Mixt., 1991, Ser. [all data]
Wilhelm, Lainez, et al., 1989
Wilhelm, E.; Lainez, A.; Grolier, J.-P.E.,
Thermodynamics of (a halogenated ethane or ethene + an n-alkane). VE and CpE of mixtures containing either 1,1,2,2-tetrachloroethane or tetrachloroethene,
Fluid Phase Equilib., 1989, 49, 233-250. [all data]
Costas, Huu, et al., 1988
Costas, M.; Huu, V.T.; Patterson, D.; Caceres-Alonso, M.; Tardajos, G.; Aicart, E.,
Liquid structure and second-order mixing functions for l-chloronaphthalene with linear and branched alkanes, J. Chem. Soc.,
Faraday Trans., 1988, 1 84(5), 1603-1616. [all data]
Perez-Casas, Aicart, et al., 1988
Perez-Casas, S.; Aicart, E.; Trojo, L.M.; Costas, M.,
Excess heat capacity. Chlorobenzene-2,2,4,4,6,8,8-heptamethylnonane, Int. Data Ser.,
Sel. Data Mixtures, 1988, (2)A, 123. [all data]
Pintos, Bravo, et al., 1988
Pintos, M.; Bravo, R.; Baluja, M.C.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E.,
Can. J. Chem., 1988, 1179. [all data]
Wilhelm, Inglese, et al., 1987
Wilhelm, E.; Inglese, A.; Roux, A.H.; Grolier, J.-P.E.,
Excess enthalpy, excess heat capacity and excess volume of 1,2,4-trimethylbenzene +, and 1-methylnaphthalene + an n-alkane,
Fluid Phase Equilibria, 1987, 34, 49-67. [all data]
Wilhelm, Lainez, et al., 1986
Wilhelm, E.; Lainez, A.; Roux, A.H.; Grolier, J.-P.E.,
Excess-molar volumes and heat capacities of (1,2,4-trichlorobenzene + an n-alkane) and (1-chloronaphthalene + an n-alkane),
Thermochim. Acta, 1986, 105, 101-110. [all data]
Baluja, Bravo, et al., 1985
Baluja, M.C.; Bravo, R.; Pintos, M.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E.,
Unusual dependence on concentration of the excess heat capacities of ester solutions in alkanes,
Calorim. Anal. Therm., 1985, 16, 138-144. [all data]
Lainez, Roux-Desgranges, et al., 1985
Lainez, A.; Roux-Desgranges, G.; Grolier, J.-P.E.; Wilhelm, E.,
Mixtures of alkanes with polar molecules showing integral rotation: an unusual composition dependence of CpE of 1,2-dichloroethane + an n-alkane,
Fluid Phase Equilib., 1985, 20, 47-56. [all data]
Lainez, Wilhelm, et al., 1985
Lainez, A.; Wilhelm, E.; Roux-Desgranges, G.; Grolier, J.-P.E.,
Excess molar quantities of (a halogenated n-alkane + an n-alkane). A comparative study of mixtures containing either 1-chlorobutane or 1,4-dichlorobutane,
J. Chem. Thermodynam., 1985, 17, 1153-1161. [all data]
Grigor'ev and Andolenko, 1984
Grigor'ev, B.A.; Andolenko, R.A.,
Investigation of the isobaric heat capacity of n-paraffinic hydrocarbons at atmospheric pressure, Izv. Vyssh. Ucheb. Zaved.,
Neft i Gaz, 1984, (2), 60-62. [all data]
Grolier and Benson, 1984
Grolier, J.-P.E.; Benson, G.C.,
Thermodynamic properties of binary mixtures containing ketones. VIII. Heat capacities and volumes of some n-alkanone + n-alkane mixtures at 298.15 K,
Can. J. Chem., 1984, 62, 949-953. [all data]
Grolier, Inglese, et al., 1984
Grolier, J.-P.E.; Inglese, A.; Wilhelm, E.,
Excess molar heat capacities of (1,4-dioxane + an n-alkane): an unusual composition dependence,
J. Chem. Thermodynam., 1984, 16, 67-71. [all data]
Roux, Grolier, et al., 1984
Roux, A.H.; Grolier, J.-P.E.; Inglese, A.; Wilhelm, E.,
Excess molar enthalpies, excess molar heat capacities and excess molar volumes of (fluorobenzene + an n-alkane),
Ber. Bunsenges. Phys. Chem., 1984, 88, 986-992. [all data]
Zaripov, 1982
Zaripov, Z.I.,
Experimental study of the isobaric heat capacity of liquid organic compounds with molecular weights of up to 4000 a.e.m., 1982, Teplomassoobmen Teplofiz. [all data]
Messerly, Guthrie, et al., 1967
Messerly, J.F.; Guthrie, G.B.; Todd, S.S.; Finke, H.L.,
Low-Temperature Thermal Data for n-Pentane, n-Heptadecane and n-Octadecane. Revised Thermodynamic Functions for ther n-Alkanes, C5 - C18,
J. Chem. Eng. Data, 1967, 12, 338-46. [all data]
Finke, Gross, et al., 1954, 2
Finke, H.L.; Gross, M.E.; Waddington, G.; Huffman, H.M.,
Low-Temperature Thermal Data for the Nine Normal Paraffin Hydrocarbons from Octane to Hexadecane,
J. Am. Chem. Soc., 1954, 76, 333-41. [all data]
Waddington, 1950
Waddington, G.,
Personal Commun., U. S. Bur. Mines, Bartlesville, OK, March 2, 1950. [all data]
Ambrose and Tsonopoulos, 1995
Ambrose, D.; Tsonopoulos, C.,
Vapor-Liquid Critical Properties of Elements and Compounds. 2. Normal Alkenes,
J. Chem. Eng. Data, 1995, 40, 531-546. [all data]
Rosenthal and Teja, 1989
Rosenthal, D.J.; Teja, A.S.,
The Critical Properties of n-Alkanes Using a Low-Residence Time Flow Apparatus,
AIChE J., 1989, 35, 1829. [all data]
Teja, Lee, et al., 1989
Teja, A.S.; Lee, R.J.; Rosenthal, D.J.; Anselme, M.J.,
Correlation of the Critical Properties of Alkanes and Alkanols
in 5th IUPAC Conference on Alkanes and AlkanolsGradisca, 1989. [all data]
Pak and Kay, 1972
Pak, S.C.; Kay, W.B.,
Gas-Liquid Critical Temperatures of Mixtures. Benzene + n-Alkanes and Hexafluorobenzene + n-Alkanes,
Ind. Eng. Chem. Fundam., 1972, 11, 255. [all data]
Anselme, Gude, et al., 1990
Anselme, M.J.; Gude, M.; Teja, A.S.,
The Critical Temperatures and Densities of the n-Alkanes from Pentane to Octadecane,
Fluid Phase Equilib., 1990, 57, 317-26. [all data]
Morawetz, 1972
Morawetz, Ernst,
Correlation of sublimation enthalpies at 298.15 K with molecular structure for planar aromatic hydrocarbons,
The Journal of Chemical Thermodynamics, 1972, 4, 3, 461-467, https://doi.org/10.1016/0021-9614(72)90030-4
. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Viton, Chavret, et al., 1996
Viton, C.; Chavret, M.; Jose, J.,
Enthalpies of vaporization of normal alkanes from nonane to pentadecane at temperatures from 298 to 359 K,
ELDATA: Int. Electron. J. Phys. Chem. Data, 1996, 2, 3, 103. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Camin and Rossini, 1955
Camin, David L.; Rossini, Frederick D.,
Physical Properties of Fourteen API Research Hydrocarbons, C 9 to C 15,
J. Phys. Chem., 1955, 59, 11, 1173-1179, https://doi.org/10.1021/j150533a014
. [all data]
Allemand, Jose, et al., 1986
Allemand, Nadine; Jose, Jacques; Merlin, J.C.,
Mesure des pressions de vapeur d'hydrocarbures C10 A C18n-alcanes etn-alkylbenzenes dans le domaine 3-1000 pascal,
Thermochimica Acta, 1986, 105, 79-90, https://doi.org/10.1016/0040-6031(86)85225-X
. [all data]
Sunner and Svensson, 1979
Sunner, Stig; Svensson, Christer,
Twin calorimeter for the determination of enthalpies of vaporization of small samples from 300 to 420 K,
J. Chem. Soc., Faraday Trans. 1, 1979, 75, 0, 2359, https://doi.org/10.1039/f19797502359
. [all data]
Ubbelohde, 1938
Ubbelohde, A.R.,
Structure and thermodynamic properties of long-chain compounds,
Trans. Faraday Soc., 1938, 34, 282, https://doi.org/10.1039/tf9383400282
. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Mondieig, Rajabalee, et al., 2004
Mondieig, D.; Rajabalee, F.; Metivaud, V.; Oonk, H.A.J.; Cuevas-Diarte, M.A.,
n -Alkane Binary Molecular Alloys,
Chem. Mater., 2004, 16, 5, 786-798, https://doi.org/10.1021/cm031169p
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure S°gas Entropy of gas at standard conditions S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature Vc Critical volume d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°gas Enthalpy of combustion of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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