1-Heptanol
- Formula: C7H16O
- Molecular weight: 116.2013
- IUPAC Standard InChIKey: BBMCTIGTTCKYKF-UHFFFAOYSA-N
- CAS Registry Number: 111-70-6
- 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. - Species with the same structure:
- Other names: Heptyl alcohol; n-Heptan-1-ol; n-Heptanol; n-Heptyl alcohol; Enanthic alcohol; Gentanol; 1-Hydroxyheptane; n-C7H15OH; Heptan-1-ol; Heptane-1-ol; Heptyl alcohol, n-; n-Heptanol-1; l'Alcool n-heptylique primaire; Alcohol C7; Enanthyl alcohol; 1-Heptyl alcohol; Heptanol-1; NSC 3703; 1-HeptanoI
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
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 | -82. ± 10. | kcal/mol | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 116.10 ± 1.0 | cal/mol*K | N/A | Green J.H.S., 1961 | Values obtained by applying the methylene increment to data for the lower alcohols [ Chermin H.A.G., 1961, Green J.H.S., 1961, Thermodynamics Research Center, 1997] are lower than this third-law entropy by 5.3-6.4 J/mol*K.; GT |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -96.4 ± 0.1 | kcal/mol | Ccb | Mosselman and Dekker, 1975 | ALS |
ΔfH°liquid | -96.4 ± 0.2 | kcal/mol | Ccb | Hayes, 1971 | DRB |
ΔfH°liquid | -95.31 ± 0.20 | kcal/mol | Ccb | Chao and Rossini, 1965 | see Rossini, 1934; ALS |
ΔfH°liquid | -97.85 ± 0.56 | kcal/mol | Ccb | Green, 1960 | ALS |
ΔfH°liquid | -110.0 ± 0.72 | kcal/mol | Ccb | Verkade and Coops, 1927 | estimated uncertainty; DRB |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1108.5 ± 0.1 | kcal/mol | Ccb | Mosselman and Dekker, 1975 | Corresponding ΔfHºliquid = -96.41 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -1108.51 ± 0.19 | kcal/mol | Ccb | Hayes, 1971 | Corresponding ΔfHºliquid = -96.37 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -1109.59 ± 0.17 | kcal/mol | Ccb | Chao and Rossini, 1965 | see Rossini, 1934; Corresponding ΔfHºliquid = -95.29 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -1107.05 ± 0.56 | kcal/mol | Ccb | Green, 1960 | Corresponding ΔfHºliquid = -97.83 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -1107.05 | kcal/mol | Ccb | Verkade and Coops, 1927 | Corrected for 298 and 1 atm.; Corresponding ΔfHºliquid = -97.83 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 77.89 | cal/mol*K | N/A | Parks, Kennedy, et al., 1956 | Extrapolation below 80 K, 65.06 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
64.72 | 298.15 | Vesely, Barcal, et al., 1989 | T = 298.15 to 318.15 K.; DH |
65.079 | 298.15 | Andreoli-Ball, Patterson, et al., 1988 | DH |
70.98 | 303.35 | Naziev and Bashirov, 1988 | T = 303 to 447 K. p = 0.1 MPa. Unsmoothed experimental datum given as 2.556 kJ/kg*K. Cp data given at pressures from 0.1 to 50 MPa.; DH |
65.409 | 298.15 | Zegers and Somsen, 1984 | DH |
66.66 | 302.97 | Griigo'ev, Yanin, et al., 1979 | T = 303 to 462 K. p = 0.98 bar.; DH |
65.51 | 298. | Hutchinson and Bailey, 1959 | DH |
66.580 | 298.15 | Parks, Kennedy, et al., 1956 | T = 80 to 300 K.; DH |
Phase change data
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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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 448. ± 2. | K | AVG | N/A | Average of 44 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 238.25 | K | N/A | Tschamler, Richter, et al., 1949 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 239.4 | K | N/A | Bilterys and Gisseleire, 1935 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 238.6 | K | N/A | Timmermans, 1922 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 240.0 | K | N/A | Parks, Kennedy, et al., 1956, 2 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 633. ± 4. | K | AVG | N/A | Average of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 30.2 ± 0.2 | atm | N/A | Gude and Teja, 1995 | |
Pc | 31.19 | atm | N/A | Quadri, Khilar, et al., 1991 | Uncertainty assigned by TRC = 0.49 atm; TRC |
Pc | 30.18 | atm | N/A | Rosenthal and Teja, 1990 | Uncertainty assigned by TRC = 0.20 atm; TRC |
Pc | 30.18 | atm | N/A | Rosenthal and Teja, 1989 | Uncertainty assigned by TRC = 0.20 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.435 | l/mol | N/A | Gude and Teja, 1995 | |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.30 ± 0.02 | mol/l | N/A | Gude and Teja, 1995 | |
ρc | 2.30 | mol/l | N/A | Teja, Lee, et al., 1989 | TRC |
ρc | 2.29 | mol/l | N/A | Smith, Anselme, et al., 1986 | Uncertainty assigned by TRC = 0.24 mol/l; TRC |
ρc | 2.30 | mol/l | N/A | Efremov, 1966 | Uncertainty assigned by TRC = 0.03 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 16.1 ± 0.4 | kcal/mol | AVG | N/A | Average of 9 values; Individual data points |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
351.7 | 0.020 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
15.6 | 310. | N/A | N'Guimbi, Kasehgari, et al., 1992 | Based on data from 258. to 363. K.; AC |
14.9 | 350. | A | Stephenson and Malanowski, 1987 | Based on data from 335. to 450. K.; AC |
15.0 | 351. | DTA | Stephenson and Malanowski, 1987 | Based on data from 336. to 450. K. See also Kemme and Kreps, 1969.; AC |
15.6 | 348. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 333. to 449. K.; AC |
15.0 | 348. | N/A | Butler, Ramchandani, et al., 1935 | Based on data from 333. to 425. K. See also Boublik, Fried, et al., 1984.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
336.8 to 449.6 | 3.9737 | 1256.783 | -133.487 | Kemme and Kreps, 1969 |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.386 | 239.9 | van Miltenburg, Gabrielová, et al., 2003 | AC |
4.340 | 240.4 | Domalski and Hearing, 1996 | AC |
4.3439 | 240.4 | Parks, Kennedy, et al., 1956 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
18.07 | 240.4 | Parks, Kennedy, et al., 1956 | DH |
Reaction thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C7H15O- + =
By formula: C7H15O- + H+ = C7H16O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 374.6 ± 2.1 | kcal/mol | G+TS | Higgins and Bartmess, 1998 | gas phase |
ΔrH° | 373.8 ± 3.0 | kcal/mol | CIDC | Haas and Harrison, 1993 | gas phase; Kinetic method gives energy-dependent results. |
ΔrH° | 372.5 ± 2.8 | kcal/mol | G+TS | Boand, Houriet, et al., 1983 | gas phase; value altered from reference due to change in acidity scale |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 368.0 ± 2.0 | kcal/mol | IMRE | Higgins and Bartmess, 1998 | gas phase |
ΔrG° | 367.2 ± 3.1 | kcal/mol | H-TS | Haas and Harrison, 1993 | gas phase; Kinetic method gives energy-dependent results. |
ΔrG° | 365.9 ± 2.7 | kcal/mol | CIDC | Boand, Houriet, et al., 1983 | gas phase; value altered from reference due to change in acidity scale |
Henry's Law data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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: 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 |
---|---|---|---|---|
85. | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
54. | V | N/A | ||
52. | V | Butler, Ramchandani, et al., 1935, 2 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Green J.H.S., 1961
Green J.H.S.,
Thermodynamic properties of the normal alcohols C1-C12,
J. Appl. Chem., 1961, 11, 397-404. [all data]
Chermin H.A.G., 1961
Chermin H.A.G.,
Thermo data for petrochemicals. Part 28. Gaseous normal alcohols. The important thermo properties are presented for all the gaseous normal alcohols from methanol through n-decanol,
Petrol. Refiner, 1961, 40 (4), 127-130. [all data]
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Mosselman and Dekker, 1975
Mosselman, C.; Dekker, H.,
Enthalpies of formation of n-alkan-1-ols,
J. Chem. Soc. Faraday Trans. 1, 1975, 417-424. [all data]
Hayes, 1971
Hayes, C.W.,
Bomb calorimetric studies on normal alkan-1-ols, steroregular polymethylmethacrylates, α-olefinic polymers, trioxane and oxygenated polymers,
Diss. Abs., 1971, 31, 5903-5904. [all data]
Chao and Rossini, 1965
Chao, J.; Rossini, F.D.,
Heats of combustion, formation, and isomerization of nineteen alkanols,
J. Chem. Eng. Data, 1965, 10, 374-379. [all data]
Rossini, 1934
Rossini, F.D.,
Heats of combustion and of formation of the normal aliphatic alcohols in the gaseous and liquid states, and the energies of their atomic linkages,
J. Res. NBS, 1934, 13, 189-197. [all data]
Green, 1960
Green, J.H.S.,
Revision of the values of the heats of formation of normal alcohols,
Chem. Ind. (London), 1960, 1215-1216. [all data]
Verkade and Coops, 1927
Verkade, P.E.; Coops, J., Jr.,
Calorimetric researches XIV. Heats of combustion of successive members of homologous series: the normal primary aliphatic alcohols,
Recl. Trav. Chim. Pays-Bas, 1927, 46, 903-917. [all data]
Parks, Kennedy, et al., 1956
Parks, G.S.; Kennedy, W.D.; Gates, R.R.; Mosley, J.R.; Moore, G.E.; Renquist, M.L.,
Thermal data on organic compounds. XXVI. Some heat capacity, entropy and free energy data for seven compounds containing oxygen.,
Not In System, 1956, 78, 56-59. [all data]
Vesely, Barcal, et al., 1989
Vesely, F.; Barcal, P.; Zabransky, M.; Svoboda, V.,
Heat capacities of 4-methyl-2-pentanone, 2,6-dimethyl-4-heptanone, 1-hexanol, 1-heptanol, and 1-octanol in the temperature range 298-318 K,
Collect. Czech. Chem. Commun., 1989, 54, 602-607. [all data]
Andreoli-Ball, Patterson, et al., 1988
Andreoli-Ball, L.; Patterson, D.; Costas, M.; Caceres-Alonso, M.,
Heat capacity and corresponding states in alkan-1-ol-n-alkane systems, J. Chem. Soc.,
Faraday Trans. 1, 1988, 84(11), 3991-4012. [all data]
Naziev and Bashirov, 1988
Naziev, Ya.M.; Bashirov, M.M.,
Isobaric specific heats of higher alcohols at elevated pressures,
Teplofiz. Vysok. Temp., 1988, 26, 58-62. [all data]
Zegers and Somsen, 1984
Zegers, H.C.; Somsen, G.,
Partial molar volumes and heat capacities in (dimethylformamide + an n-alkanol),
J. Chem. Thermodynam., 1984, 16, 225-235. [all data]
Griigo'ev, Yanin, et al., 1979
Griigo'ev, B.A.; Yanin, G.S.; Rastorguev, Yu.L.; Thermophysical parameters of alcohols, Tr. GIAP,
54, 1979, 57-64. [all data]
Hutchinson and Bailey, 1959
Hutchinson, E.; Bailey, L.G.,
A thermodynamic study of colloidal electrolyte solutions. II. Heat capacities of solubilized systems, experimental,
Z. Physik. Chem. [N.G.], 1959, 21, 30-37. [all data]
Tschamler, Richter, et al., 1949
Tschamler, H.; Richter, E.; Wettig, F.,
Mixtures of Primry Aliphatic Alcohols with Chlorex and Other Organic Substances. Binary Liquid Mixtures XII.,
Monatsh. Chem., 1949, 80, 749. [all data]
Bilterys and Gisseleire, 1935
Bilterys, R.; Gisseleire, J.,
Investigations on the Congelation Temperature of Organic Compounds,
Bull. Soc. Chim. Belg., 1935, 44, 567. [all data]
Timmermans, 1922
Timmermans, J.,
Investigation of the Freezing Point of Organic Substances VII,
Bull. Soc. Chim. Belg., 1922, 31, 389. [all data]
Parks, Kennedy, et al., 1956, 2
Parks, G.S.; Kennedy, W.D.; Gates, R.R.; Mosley, J.R.; Moore, G.E.; Renquist, M.L.,
Thermal Data on Organic Compounds XXVI. Some Heat Capacity, Entropy and Free Energy Data for Seven Compounds Containing Oxygen,
J. Am. Chem. Soc., 1956, 78, 56-9. [all data]
Gude and Teja, 1995
Gude, M.; Teja, A.S.,
Vapor-Liquid Critical Properties of Elements and Compounds. 4. Aliphatic Alkanols,
J. Chem. Eng. Data, 1995, 40, 1025-1036. [all data]
Quadri, Khilar, et al., 1991
Quadri, S.K.; Khilar, K.C.; Kudchadker, A.P.; Patni, M.J.,
Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable alkanols,
J. Chem. Thermodyn., 1991, 23, 67-76. [all data]
Rosenthal and Teja, 1990
Rosenthal, D.J.; Teja, A.S.,
The Critical Pressures and temperatures of Isomeric Alkanols,
Ind. Eng. Chem. to be published 1990 1990, 1990. [all data]
Rosenthal and Teja, 1989
Rosenthal, D.J.; Teja, A.S.,
Critical pressures and temperatures of isomeric alkanols,
Ind. Eng. Chem. Res., 1989, 28, 1693. [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]
Smith, Anselme, et al., 1986
Smith, R.L.; Anselme, M.J.; Teja, A.S.,
The Critical Temperatures of Isomeric Pentanols and Heptanols,
Fluid Phase Equilib., 1986, 31, 161. [all data]
Efremov, 1966
Efremov, Yu.V.,
Density, Surface Tension, Saturated Vapor Pressurs and Critical Parameters of Alcohols,
Zh. Fiz. Khim., 1966, 40, 1240. [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]
N'Guimbi, Kasehgari, et al., 1992
N'Guimbi, J.; Kasehgari, H.; Mokbel, I.; Jose, J.,
Tensions de vapeur d'alcools primaires dans le domaine 0,3 Pa à 1,5 kPa,
Thermochimica Acta, 1992, 196, 2, 367-377, https://doi.org/10.1016/0040-6031(92)80100-B
. [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]
Kemme and Kreps, 1969
Kemme, Herbert R.; Kreps, Saul I.,
Vapor pressure of primary n-alkyl chlorides and alcohols,
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. [all data]
Wilhoit and Zwolinski, 1973
Wilhoit, R.C.; Zwolinski, B.J.,
Physical and thermodynamic properties of aliphatic alcohols,
J. Phys. Chem. Ref. Data Suppl., 1973, 1, 2, 1. [all data]
Butler, Ramchandani, et al., 1935
Butler, J.A.V.; Ramchandani, C.N.; Thomson, D.W.,
58. The solubility of non-electrolytes. Part I. The free energy of hydration of some aliphatic alcohols,
J. Chem. Soc., 1935, 280, https://doi.org/10.1039/jr9350000280
. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]
van Miltenburg, Gabrielová, et al., 2003
van Miltenburg, J. Cees; Gabrielová, Hana; Ruzicka, Kvetoslav,
Heat Capacities and Derived Thermodynamic Functions of 1-Hexanol, 1-Heptanol, 1-Octanol, and 1-Decanol between 5 K and 390 K,
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. [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,
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. [all data]
Higgins and Bartmess, 1998
Higgins, P.R.; Bartmess, J.E.,
The Gas Phase Acidities of Long Chain Alcohols.,
Int. J. Mass Spectrom., 1998, 175, 1-2, 71-79, https://doi.org/10.1016/S0168-1176(98)00125-6
. [all data]
Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G.,
The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols,
Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W
. [all data]
Boand, Houriet, et al., 1983
Boand, G.; Houriet, R.; Baumann, T.,
The gas phase acidity of aliphatic alcohols,
J. Am. Chem. Soc., 1983, 105, 2203. [all data]
Butler, Ramchandani, et al., 1935, 2
Butler, J.A.V.; Ramchandani, C.N.; Thomson, D.W.,
The Solubility of Non-Electrolytes. Part 1. The Free Energy of Hydration of Some Alphatic Alcohols,
J. Chem. Soc., 1935, 280-285, https://doi.org/10.1039/jr9350000280
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, 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 ΔcH°liquid Enthalpy of combustion of liquid 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 ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction 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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