1-Hexadecanol
- Formula: C16H34O
- Molecular weight: 242.4406
- IUPAC Standard InChIKey: BXWNKGSJHAJOGX-UHFFFAOYSA-N
- CAS Registry Number: 36653-82-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: n-Cetyl alcohol; n-Hexadecan-1-ol; n-Hexadecanol; n-1-Hexadecanol; Adol 52; Adol 52 NF; Adol 54; Aldol 54; Alfol 16; Atalco C; Cachalot C-51; Cachalot C-52; Cetaffine; Cetal; Cetalol CA; Cetanol; Cetylic alcohol; Cetylol; Crodacol C; Crodacol-CAS; Crodacol-CAT; Elfacos C; Ethal; Ethol; Hexadecanol; Hexadecyl alcohol; Hyfatol 16; Lanol C; Lorol 24; Loxanol K; Loxanol K extra; Loxanwachs SK; Palmityl alcohol; Product 308; Siponol wax-A; Siponol CC; 1-Hexadecyl alcohol; Alcohol c-16; Hexadecan-1-ol; n-Hexadecyl alcohol; 1-Hydroxyhexadecane; Adol 520; Cachalot C-50; CO-1670; CO-1695; Dytol F-11; Cachalot C-50 NF; Cetyl alcohol NF; Crodacol C70; Crodacol C95 NF; Epal 16NF; Fancol CA; Lanette 16; Lipocol C; Lorol C16; LorolL 24; Philcohol 1600; Rita CA; Cetyl alcohol; 1-Hexanedecanol; 1-Cetanol; Epal 16; Hyfatol 16-95; Laurex 16; Alfol 16RD; Kalcol 6098; Palmitic alcohol; 19141-82-3; SSD; SSD RP; 8023-37-8; 124-29-8; 8032-16-4; 8032-89-1; 8032-17-5; SSD (Salt/Mix); SSD RP (Salt/Mix)
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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:
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 | -516.8 | kJ/mol | N/A | Mosselman and Dekker, 1975 | Value computed using ΔfHsolid° value of -686.4±0.4 kj/mol from Mosselman and Dekker, 1975 and ΔsubH° value of 169.6 kj/mol from Gundry, Harrop, et al., 1969.; DRB |
ΔfH°gas | -517.5 ± 3.2 | kJ/mol | Ccb | Gundry, Harrop, et al., 1969 | ALS |
ΔfH°gas | -513.7 | kJ/mol | N/A | Parks, Mosley, et al., 1950 | Value computed using ΔfHsolid° value of -683.3±3.8 kj/mol from Parks, Mosley, et al., 1950 and ΔsubH° value of 169.6 kj/mol from Gundry, Harrop, et al., 1969.; DRB |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 853. ± 17. | J/mol*K | N/A | Wilhoit R.C., 1973 | Other third-law entropy value at 298.15 K is 803(11) J/mol*K [ Green J.H.S., 1961]. Values calculated by a method of increments [ Green J.H.S., 1961, Thermodynamics Research Center, 1997] are equal to 831 and 832.5 J/mol*K, respectively.; GT |
Condensed phase 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 as indicated in comments:
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -686.4 ± 0.4 | kJ/mol | Ccb | Mosselman and Dekker, 1975 | ALS |
ΔfH°solid | -687.1 ± 2.0 | kJ/mol | Ccb | Gundry, Harrop, et al., 1969 | ALS |
ΔfH°solid | -683.3 ± 3.8 | kJ/mol | Ccb | Parks, Mosley, et al., 1950 | Reanalyzed by Cox and Pilcher, 1970, Original value = -684.29 kJ/mol; see Richardson and Parks, 1939; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -10510. ± 8. | kJ/mol | Ccb | Freeman and Bagby, 1989 | Corresponding ΔfHºsolid = -644. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°solid | -10468.9 ± 0.7 | kJ/mol | Ccb | Mosselman and Dekker, 1975 | Corresponding ΔfHºsolid = -686.4 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°solid | -10486.3 ± 1.7 | kJ/mol | Ccb | Gundry, Harrop, et al., 1969 | Corresponding ΔfHºsolid = -669.01 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°solid | -10471.9 ± 3.8 | kJ/mol | Ccb | Parks, Mosley, et al., 1950 | Reanalyzed by Cox and Pilcher, 1970, Original value = -10471.2 kJ/mol; see Richardson and Parks, 1939; Corresponding ΔfHºsolid = -683.33 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 451.9 | J/mol*K | N/A | Parks, Kennedy, et al., 1956 | Extrapolation below 80 K, 115.3 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
618.2 | 333.15 | Khasanshin and Zykova, 1989 | T = 333 to 583 K.; DH |
524. | 323. | Mosselman, Mourik, et al., 1974 | T = 323 to 346 K.; DH |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
422. | 298.15 | Mosselman, Mourik, et al., 1974 | T = 293 to 311 K.; DH |
441.24 | 290. | Parks, Kennedy, et al., 1956 | T = 80 to 290 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
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 | 613.15 | K | N/A | Senderens, 1925 | Uncertainty assigned by TRC = 5. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 322. ± 3. | K | AVG | N/A | Average of 16 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 321. ± 3. | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 107.7 ± 1.2 | kJ/mol | CGC | Nichols, Kweskin, et al., 2006 | AC |
ΔvapH° | 108.8 | kJ/mol | GS | Kulikov, Verevkin, et al., 2001 | Based on data from 328. to 362. K.; AC |
ΔvapH° | 112.5 | kJ/mol | CGC | Ova, Koultek, et al., 2000 | AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 169.5 ± 2.5 | kJ/mol | C | Gundry, Harrop, et al., 1969 | ALS |
ΔsubH° | 169.6 | kJ/mol | N/A | Gundry, Harrop, et al., 1969 | DRB |
ΔsubH° | 167. ± 2. | kJ/mol | V | Davies and Kybett, 1965 | ALS |
ΔsubH° | 169.5 ± 2.1 | kJ/mol | N/A | Davies and Kybett, 1965 | AC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
453.2 | 0.013 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
100.4 | 347. | GS | Kulikov, Verevkin, et al., 2001 | Based on data from 328. to 362. K.; AC |
88.2 | 403. | N/A | N'Guimbi, Kasehgari, et al., 1992 | Based on data from 343. to 463. K.; AC |
68.9 | 524. | A | Stephenson and Malanowski, 1987 | Based on data from 509. to 569. K.; AC |
83.2 | 430. | A | Stephenson and Malanowski, 1987 | Based on data from 415. to 487. K. See also Ambrose, Ellender, et al., 1974.; AC |
109.4 | 329. | N/A | Stephenson and Malanowski, 1987 | Based on data from 323. to 335. K.; AC |
112.3 | 338. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 323. to 376. K.; AC |
78.8 | 423. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 418. to 463. K.; AC |
77.3 | 460. | DTA | Kemme and Kreps, 1969 | Based on data from 445. to 598. K.; AC |
109.5 | 329. | ME | Davies and Kybett, 1965 | Based on data from 323. to 335. K.; AC |
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 | Comment |
---|---|---|---|---|---|
415.44 to 487.32 | 4.05752 | 1803.451 | -152.831 | Ambrose, Ellender, et al., 1974 | Coefficents calculated by NIST from author's data. |
498.46 to 569.1 | 4.11528 | 1845.188 | -148.524 | Ambrose and Sprake, 1970 | Coefficents calculated by NIST from author's data. |
445.3 to 598.3 | 4.16673 | 1880.126 | -146.027 | Kemme and Kreps, 1969 |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
167.4 ± 2.1 | 314. | ME | Davies and Kybett, 1965 | Based on data from 308. to 320. K. See also Stephenson and Malanowski, 1987.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
57.7 | 322.2 | AC | Xing, Tan, et al., 2008 | Based on data from 80. to 370. K.; AC |
33.1 | 321.6 | DSC | Ventol«65533», Calvet, et al., 2004 | AC |
33.97 | 322.9 | N/A | Kuchhal, Shukla, et al., 1979 | AC |
34.727 | 320. | N/A | Eykman, 1889 | DH |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
108.5 | 320. | Eykman, 1889 | DH |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
12.500 | 308.9 | crystaline, III | crystaline, II | Petropavlov, Tsygankova, et al., 1988 | DH |
5.200 | 310.4 | crystaline, II | crystaline, I | Petropavlov, Tsygankova, et al., 1988 | DH |
33.600 | 322.3 | crystaline, α | liquid | Mosselman, Mourik, et al., 1974 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
40.4 | 308.9 | crystaline, III | crystaline, II | Petropavlov, Tsygankova, et al., 1988 | DH |
16.8 | 310.4 | crystaline, II | crystaline, I | Petropavlov, Tsygankova, et al., 1988 | DH |
104.3 | 322.3 | crystaline, α | liquid | Mosselman, Mourik, et al., 1974 | DH |
Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
+ = C16H34O4S +
By formula: C16H34O + ClHO3S = C16H34O4S + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 57. ± 3. | kJ/mol | Cm | Markitanova, Barsukov, et al., 1981 | liquid phase; solvent: Dichloromethane; Sulfation |
Mass spectrum (electron ionization)
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: 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 | NIST Mass Spectrometry Data Center, 1990. |
NIST MS number | 114116 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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.
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]
Gundry, Harrop, et al., 1969
Gundry, H.A.; Harrop, D.; Head, A.J.; Lewis, G.B.,
Thermodynamic properties of organic oxygen compounds. 21. Enthalpies of combustion of benzoic acid, pentan-1-ol, octan-1-ol, and hexadecan-1-ol,
J. Chem. Thermodyn., 1969, 1, 321-332. [all data]
Parks, Mosley, et al., 1950
Parks, G.S.; Mosley, J.R.; Peterson, P.V., Jr.,
Heats of combustion and formation of some organic compounds containing oxygen,
J. Chem. Phys., 1950, 18, 152. [all data]
Wilhoit R.C., 1973
Wilhoit R.C.,
Physical and thermodynamic properties of aliphatic alcohols,
J. Phys. Chem. Ref. Data, 1973, 2, Suppl. 1, 1-420. [all data]
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]
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]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Richardson and Parks, 1939
Richardson, J.W.; Parks, G.S.,
Thermal data on organic compounds. XIX. Modern combustion data for some non-volatile compounds containing carbon, hydrogen and oxygen,
J. Am. Chem. Soc., 1939, 61, 3543-3546. [all data]
Freeman and Bagby, 1989
Freeman, B.; Bagby, M.O.,
Heats of combustion of fatty esters and triglycerides,
J. Am. Oil Chem. Soc., 1989, 66, 1601-1605. [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]
Khasanshin and Zykova, 1989
Khasanshin, T.S.; Zykova, T.B.,
Specific heat of saturated monatomic alcohols,
Inzh. -Fiz. Zhur., 1989, 56(6), 991-994. [all data]
Mosselman, Mourik, et al., 1974
Mosselman, C.; Mourik, J.; Dekker, H.,
Enthalpies of phase change and heat capacities of some long-chain alcohols. Adiabatic semi-microcalorimeter for studies of polymorphism,
J. Chem. Thermodynam., 1974, 6, 477-487. [all data]
Senderens, 1925
Senderens, J.B.,
C. R. Hebd. Seances Acad. Sci., 1925, 181, 698. [all data]
Nichols, Kweskin, et al., 2006
Nichols, Gary; Kweskin, Sasha; Frericks, Margaret; Reiter, Sarah; Wang, Gin; Orf, Jennifer; Carvallo, Brett; Hillesheim, Dorothea; Chickos, James,
Evaluation of the Vaporization, Fusion, and Sublimation Enthalpies of the 1-Alkanols: The Vaporization Enthalpy of 1-, 6-, 7-, and 9-Heptadecanol, 1-Octadecanol, 1-Eicosanol, 1-Docosanol, 1-Hexacosanol, and Cholesterol at T = 298.15 K by Correlation Gas Chromatography,
J. Chem. Eng. Data, 2006, 51, 2, 475-482, https://doi.org/10.1021/je0503857
. [all data]
Kulikov, Verevkin, et al., 2001
Kulikov, Dmitry; Verevkin, Sergey P.; Heintz, Andreas,
Enthalpies of vaporization of a series of aliphatic alcohols,
Fluid Phase Equilibria, 2001, 192, 1-2, 187-207, https://doi.org/10.1016/S0378-3812(01)00633-1
. [all data]
Ova, Koultek, et al., 2000
Ova, P.V.; Koultek, B.; Hoskovec, M.,
Practice Oriented Results on Use and Production of Neem Ingredients and Pheromones VI, H. Kleeberg and C.P.W. Zebitz, ed(s)., Druck and Graphic, Giessen, 2000, 211-218. [all data]
Davies and Kybett, 1965
Davies, M.; Kybett, B.,
Sublimation and vaporization heats of long-chain alcohols,
Trans. Faraday Soc., 1965, 61, 1608. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 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]
Ambrose, Ellender, et al., 1974
Ambrose, D.; Ellender, J.H.; Sprake, C.H.S.,
Thermodynamic properties of organic oxygen compounds XXXV. Vapour pressures of aliphatic alcohols,
The Journal of Chemical Thermodynamics, 1974, 6, 9, 909-914, https://doi.org/10.1016/0021-9614(74)90235-3
. [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]
Kemme and Kreps, 1969
Kemme, Herbert R.; Kreps, Saul I.,
Vapor pressure of primary n-alkyl chlorides and alcohols,
J. Chem. Eng. Data, 1969, 14, 1, 98-102, https://doi.org/10.1021/je60040a011
. [all data]
Ambrose and Sprake, 1970
Ambrose, D.; Sprake, C.H.S.,
Thermodynamic properties of organic oxygen compounds XXV. Vapour pressures and normal boiling temperatures of aliphatic alcohols,
The Journal of Chemical Thermodynamics, 1970, 2, 5, 631-645, https://doi.org/10.1016/0021-9614(70)90038-8
. [all data]
Xing, Tan, et al., 2008
Xing, J.; Tan, Z.-C.; Shi, Q.; Tong, B.; Wang, S.-X.; Li, Y.-S.,
Heat capacity and thermodynamic properties of 1-hexadecanol,
J Therm Anal Calorim, 2008, 92, 2, 375-380, https://doi.org/10.1007/s10973-007-8955-1
. [all data]
Ventol«65533», Calvet, et al., 2004
Ventol«65533», L.; Calvet, T.; Cuevas-Diarte, M.A.; Ram«65533»rez, M.; Oonk, H.A.J.; Mondieig, D.; Negrier, Ph.,
Melting behaviour in the n-alkanol family. Enthalpy?entropy compensation,
Phys. Chem. Chem. Phys., 2004, 6, 8, 1786, https://doi.org/10.1039/b313106h
. [all data]
Kuchhal, Shukla, et al., 1979
Kuchhal, Y.K.; Shukla, R.N.; Biswas, A.B.,
Differential thermal analysis of n-long chain alcohols and corresponding alkoxy ethanols,
Thermochimica Acta, 1979, 31, 1, 61-70, https://doi.org/10.1016/0040-6031(79)80008-8
. [all data]
Eykman, 1889
Eykman, J.F.,
Zur kryoskopischen Molekulargewichtsbestimmung,
Z. Physik. Chem., 1889, 4, 497-519. [all data]
Petropavlov, Tsygankova, et al., 1988
Petropavlov, N.N.; Tsygankova, I.G.; Teslenko, L.A.,
Microcalorimetric investigation of polymorphic transitions in organic crystals,
Sov. Phys. Crystallogr., 1988, 33(6), 853-855. [all data]
Markitanova, Barsukov, et al., 1981
Markitanova, L.I.; Barsukov, I.I.; Passet, B.V.,
Determination of heat of sulfation by calorimetric titration,
J. Gen. Chem. USSR, 1981, 51, 1286-1289. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Cp,solid Constant pressure heat capacity of solid S°gas Entropy of gas at standard conditions S°solid,1 bar Entropy of solid at standard conditions (1 bar) Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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