2-Butene, (E)-
- Formula: C4H8
- Molecular weight: 56.1063
- IUPAC Standard InChIKey: IAQRGUVFOMOMEM-ONEGZZNKSA-N
- CAS Registry Number: 624-64-6
- 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. - Isotopologues:
- Stereoisomers:
- Other names: (E)-2-Butene; trans-Butene; trans-1,2-Dimethylethylene; trans-2-Butene; 2-trans-Butene; (E)-2-C4H8; 2-Butene, trans-; Butene-2,trans; t-Butene-2; (E)-but-2-ene
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Gas phase thermochemistry data
Go To: Top, Phase change data, Henry's Law data, Gas phase ion energetics data, Ion clustering 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -2.58 ± 0.24 | kcal/mol | Cm | Prosen, Maron, et al., 1951 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°gas | -646.90 ± 0.23 | kcal/mol | Cm | Prosen, Maron, et al., 1951 | Corresponding ΔfHºgas = -2.56 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.633 | 50. | Thermodynamics Research Center, 1997 | p=1 bar. Recommended entropies and heat capacities are in good agreement with those obtained from other statistical thermodynamics calculations [ Aston J.D., 1946, Kilpatrick J.E., 1946].; GT |
11.77 | 100. | ||
14.43 | 150. | ||
16.59 | 200. | ||
19.78 | 273.15 | ||
20.95 | 298.15 | ||
21.04 | 300. | ||
25.939 | 400. | ||
30.612 | 500. | ||
34.759 | 600. | ||
38.375 | 700. | ||
41.527 | 800. | ||
44.273 | 900. | ||
46.663 | 1000. | ||
48.740 | 1100. | ||
50.543 | 1200. | ||
52.108 | 1300. | ||
53.468 | 1400. | ||
54.653 | 1500. | ||
57.005 | 1750. | ||
58.709 | 2000. | ||
59.969 | 2250. | ||
60.918 | 2500. | ||
61.644 | 2750. | ||
62.208 | 3000. |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
20.98 | 298.60 | Kistiakowsky G.B., 1940 | GT |
22.69 | 332.90 | ||
24.529 | 371.50 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering 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:
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 274.2 ± 0.5 | K | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 167.35 | K | N/A | Kistiakowsky, Ruhoff, et al., 1935 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 167.62 | K | N/A | Chao, Hall, et al., 1983 | Uncertainty assigned by TRC = 0.02 K; TRC |
Ttriple | 167.61 | K | N/A | Guttman and Pitzer, 1945 | Uncertainty assigned by TRC = 0.02 K; by extrapolation of 1/f to 0; TRC |
Ttriple | 167.3 | K | N/A | Todd and Parks, 1936 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 428.6 ± 0.1 | K | N/A | Tsonopoulos and Ambrose, 1996 | |
Tc | 428.6 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 428.61 | K | N/A | Ambrose, Cox, et al., 1960 | Uncertainty assigned by TRC = 0.3 K; Visual, PRT, IPTS-48; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 40.5 ± 0.2 | atm | N/A | Tsonopoulos and Ambrose, 1996 | |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.2377 | l/mol | N/A | Tsonopoulos and Ambrose, 1996 | |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 4.21 ± 0.02 | mol/l | N/A | Tsonopoulos and Ambrose, 1996 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 5.251 | kcal/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 5.09 | kcal/mol | N/A | Reid, 1972 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
5.4391 | 274.04 | N/A | Guttman and Pitzer, 1945, 2 | P = 101.325 kPa; DH |
5.430 | 274. | N/A | Majer and Svoboda, 1985 | |
5.71 | 272. | A | Stephenson and Malanowski, 1987 | Based on data from 205. to 287. K.; AC |
5.64 | 288. | A | Stephenson and Malanowski, 1987 | Based on data from 273. to 315. K.; AC |
5.57 | 328. | A | Stephenson and Malanowski, 1987 | Based on data from 313. to 385. K.; AC |
5.54 | 397. | A | Stephenson and Malanowski, 1987 | Based on data from 382. to 428. K.; AC |
5.44 ± 0.15 | 274. | C | Guttman and Pitzer, 1945, 2 | ALS |
5.45 ± 0.02 | 274. | C | Guttman and Pitzer, 1945, 2 | AC |
5.78 | 259. | N/A | Guttman and Pitzer, 1945, 2 | Based on data from 203. to 274. K. See also Boublik, Fried, et al., 1984.; AC |
5.71 | 268. | N/A | Lamb and Roper, 1940 | Based on data from 205. to 283. K. See also Boublik, Fried, et al., 1984.; AC |
5.695 | 273.4 | V | Kistiakowsky, Ruhoff, et al., 1935, 2 | At 355 °K; ALS |
Enthalpy of vaporization
ΔvapH = A exp(-αTr)
(1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kcal/mol)
Tr = reduced temperature (T / Tc)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | 274. to 394. |
---|---|
A (kcal/mol) | 7.335 |
α | -0.1948 |
β | 0.417 |
Tc (K) | 428.6 |
Reference | Majer and Svoboda, 1985 |
Entropy of vaporization
ΔvapS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
19.85 | 274.04 | Guttman and Pitzer, 1945, 2 | P; DH |
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 | Comment |
---|---|---|---|---|---|
201.70 to 274.13 | 4.0379 | 982.166 | -30.775 | Guttman and Pitzer, 1945, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.332 | 167.62 | Chao, Hall, et al., 1983, 2 | DH |
2.332 | 167.61 | Guttman and Pitzer, 1945, 2 | DH |
2.33 | 167.6 | Domalski and Hearing, 1996 | AC |
2.357 | 167.3 | Todd and Parks, 1936, 2 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
13.9 | 167.62 | Chao, Hall, et al., 1983, 2 | DH |
13.91 | 167.61 | Guttman and Pitzer, 1945, 2 | DH |
14.09 | 167.3 | Todd and Parks, 1936, 2 | DH |
Henry's Law 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: 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 |
---|---|---|---|---|
0.0044 | X | N/A | Value given here as quoted by missing citation. |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Ion clustering data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C4H8+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.10 ± 0.01 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 179. | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 172.1 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.09 | PI | Traeger, 1986 | LBLHLM |
9.10 ± 0.02 | PI | Wood and Taylor, 1979 | LLK |
9.100 ± 0.008 | EQ | Lias and Ausloos, 1978 | LLK |
9.12 ± 0.02 | PE | Bieri, Burger, et al., 1977 | LLK |
9.11 | PE | Clary, Lewis, et al., 1974 | LLK |
9.122 ± 0.005 | PE | Masclet, Grosjean, et al., 1973 | LLK |
9.09 | PE | Frost and Sandhu, 1971 | LLK |
9.137 | S | McDiarmid, 1969 | RDSH |
9.11 | PE | Haselbach, Hashmall, et al., 1969 | RDSH |
9.12 | PE | Dewar and Worley, 1969 | RDSH |
9.13 ± 0.01 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
9.13 | PI | Bralsford, Harris, et al., 1960 | RDSH |
9.37 | PE | Kimura, Katsumata, et al., 1975 | Vertical value; LLK |
9.5 | PE | White, Carlson, et al., 1974 | Vertical value; LLK |
9.32 | PE | Robin, Taylor, et al., 1973 | Vertical value; LLK |
9.11 | PE | Brundle, Robin, et al., 1972 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H4+ | 11.8 ± 0.25 | ? | EI | Meisels, Park, et al., 1970 | RDSH |
C3H5+ | 11.30 | CH3 | PI | Traeger, 1984 | LBLHLM |
C4H7+ | 11.24 | H | PI | Traeger, 1986 | LBLHLM |
Ion clustering data
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: C3H9Si+ + C4H8 = (C3H9Si+ • C4H8)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.9 | kcal/mol | PHPMS | Li and Stone, 1989 | gas phase; condensation |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 41.5 | cal/mol*K | PHPMS | Li and Stone, 1989 | gas phase; condensation |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Prosen, Maron, et al., 1951
Prosen, E.J.; Maron, F.W.; Rossini, F.D.,
Heats of combustion, formation, and insomerization of ten C4 hydrocarbons,
J. Res. NBS, 1951, 46, 106-112. [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]
Aston J.D., 1946
Aston J.D.,
Thermodynamic properties of gaseous 1,3-butadiene and normal butenes above 25 C. Equilibria in the system 1,3-butadiene, n-butenes, and n-butane,
J. Chem. Phys., 1946, 14, 67-79. [all data]
Kilpatrick J.E., 1946
Kilpatrick J.E.,
Heat content, free energy function, entropy, and heat capacity of ethylene, propylene, and the four butenes to 1500 K,
J. Res. Nat. Bur. Stand, 1946, 37, 163-171. [all data]
Kistiakowsky G.B., 1940
Kistiakowsky G.B.,
Gaseous heat capacities. III,
J. Chem. Phys., 1940, 8, 618-622. [all data]
Kistiakowsky, Ruhoff, et al., 1935
Kistiakowsky, G.B.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E.,
Heats of Organic Reactions II. Hydrogenation of Some Simpler Olefinic Hydrocarbons,
J. Am. Chem. Soc., 1935, 57, 876-82. [all data]
Chao, Hall, et al., 1983
Chao, J.; Hall, K.R.; Yao, J.M.,
Thermodynamic Properties of Simple Alkenes,
Thermochim. Acta, 1983, 64, 285. [all data]
Guttman and Pitzer, 1945
Guttman, L.; Pitzer, K.S.,
trans-2-Butene. The Heat Capacity, Heats of Fusion and Vaporization and Vapor Pressure. The Entropy and Barrier to Internal Rotation,
J. Am. Chem. Soc., 1945, 67, 324-7. [all data]
Todd and Parks, 1936
Todd, S.S.; Parks, G.S.,
Thermal Data on Organic Compounds XV. Some Heat Capacity, Entropy and Free Energy Data for the Isomeric Butenes,
J. Am. Chem. Soc., 1936, 58, 134. [all data]
Tsonopoulos and Ambrose, 1996
Tsonopoulos, C.; Ambrose, D.,
Vapor-Liquid Critical Properties of Elements and Compounds. 6. Unsaturated Aliphatic Hydrocarbons,
J. Chem. Eng. Data, 1996, 41, 645-656. [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]
Ambrose, Cox, et al., 1960
Ambrose, D.; Cox, J.D.; Townsend, R.,
The critical temperatures of forty organic compounds,
Trans. Faraday Soc., 1960, 56, 1452. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [all data]
Guttman and Pitzer, 1945, 2
Guttman, L.; Pitzer, K.S.,
trans-2-Butene. The heat capacity, heats of fusion and vaporization, and vapor pressure. The entropy and barrier to internal rotation,
J. Am. Chem. Soc., 1945, 67, 324-327. [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]
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]
Lamb and Roper, 1940
Lamb, Arthur B.; Roper, Edwin E.,
The Vapor Pressures of Certain Unsaturated Hydrocarbons,
J. Am. Chem. Soc., 1940, 62, 4, 806-814, https://doi.org/10.1021/ja01861a032
. [all data]
Kistiakowsky, Ruhoff, et al., 1935, 2
Kistiakowsky, G.B.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E.,
Heats of organic reactions. II. Hydrogenation of some simpler olefinic hydrocarbons,
J. Am. Chem. Soc., 1935, 57, 876-882. [all data]
Chao, Hall, et al., 1983, 2
Chao, J.; Hall, K.R.; Yao, J.M.,
Thermodynamic properties of simple alkenes,
Thermochim. Acta, 1983, 64(3), 285-303. [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]
Todd and Parks, 1936, 2
Todd, S.S.; Parks, G.S.,
Thermal data on organic compounds. XV. Some heat capacity, entropy and free energy data for the isomeric butenes,
J. Am. Chem. Soc., 1936, 58, 134-137. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Traeger, 1986
Traeger, J.C.,
Heat of formation for the 1-methylallyl cation by photoionization mass spectrometry,
J. Phys. Chem., 1986, 90, 4114. [all data]
Wood and Taylor, 1979
Wood, K.V.; Taylor, J.W.,
A photoionization mass spectrometric study of autoionization in ethylene and trans-2-butene,
Int. J. Mass Spectrom. Ion Phys., 1979, 30, 307. [all data]
Lias and Ausloos, 1978
Lias, S.G.; Ausloos, P.J.,
eIonization energies of organic compounds by equilibrium measurements,
J. Am. Chem. Soc., 1978, 100, 6027. [all data]
Bieri, Burger, et al., 1977
Bieri, G.; Burger, F.; Heilbronner, E.; Maier, J.P.,
Valence ionization enrgies of hydrocarbons,
Helv. Chim. Acta, 1977, 60, 2213. [all data]
Clary, Lewis, et al., 1974
Clary, D.C.; Lewis, A.A.; Morland, D.; Murrell, J.N.; Heilbronner, E.,
Ionization potentials of cycloalkenes,
J. Chem. Soc. Faraday Trans. 2, 1974, 70, 1889. [all data]
Masclet, Grosjean, et al., 1973
Masclet, P.; Grosjean, D.; Mouvier, G.,
Alkene ionization potentials. Part I. Quantitative determination of alkyl group structural effects,
J. Electron Spectrosc. Relat. Phenom., 1973, 2, 225. [all data]
Frost and Sandhu, 1971
Frost, D.C.; Sandhu, J.S.,
Ionization potentials of ethylene and some methyl-substituted ethylenes as determined by photoelectron spectroscopy,
Indian J. Chem., 1971, 9, 1105. [all data]
McDiarmid, 1969
McDiarmid, R.,
Rydberg progressions in cis- and trans-butene,
J. Chem. Phys., 1969, 50, 2328. [all data]
Haselbach, Hashmall, et al., 1969
Haselbach, E.; Hashmall, J.A.; Heilbronner, E.; Hornung, V.,
The interaction between the lone pairs in azomethane,
Angew. Chem. Intern. Ed., 1969, 8, 878. [all data]
Dewar and Worley, 1969
Dewar, M.J.S.; Worley, S.D.,
Photoelectron spectra of molecules. I. Ionization potentials of some organic molecules and their interpretation,
J. Chem. Phys., 1969, 50, 654. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Bralsford, Harris, et al., 1960
Bralsford, R.; Harris, P.V.; Price, W.C.,
The effect of fluorine on the electronic spectra and ionization potentials of molecules,
Proc. Roy. Soc. (London), 1960, A258, 459. [all data]
Kimura, Katsumata, et al., 1975
Kimura, K.; Katsumata, S.; Yamazaki, T.; Wakabayashi, H.,
UV photoelectron spectra and sum rule consideration; out-of-plane orbitals of unsaturated compounds with planar-skeleton structure,
J. Electron Spectrosc. Relat. Phenom., 1975, 6, 41. [all data]
White, Carlson, et al., 1974
White, R.M.; Carlson, T.A.; Spears, D.P.,
Angular distribution of the photoelectron spectra for ethylene, propylene, butene and butadiene,
J. Electron Spectrosc. Relat. Phenom., 1974, 3, 59. [all data]
Robin, Taylor, et al., 1973
Robin, M.B.; Taylor, G.N.; Kuebler, N.A.; Bach, R.D.,
Planarity of the carbon skeleton in various alkylated olefins,
J. Org. Chem., 1973, 38, 1049. [all data]
Brundle, Robin, et al., 1972
Brundle, C.R.; Robin, M.B.; Kuebler, N.A.; Basch, H.,
Perfluoro effect in photoelectron spectroscopy. I. Nonaromatic molecules,
J. Am. Chem. Soc., 1972, 94, 1451. [all data]
Meisels, Park, et al., 1970
Meisels, G.G.; Park, J.Y.; Giessner, B.G.,
Ionization and dissociation of C4H8 isomers,
J. Am. Chem. Soc., 1970, 92, 254. [all data]
Traeger, 1984
Traeger, J.C.,
A study of the allyl cation thermochemistry by photoionization mass spectrometry,
Int. J. Mass Spectrom. Ion Processes, 1984, 58, 259. [all data]
Li and Stone, 1989
Li, X.; Stone, J.A.,
Determination of the beta silicon effect from a mass spectrometric study of the association of trimethylsilylium ion with alkenes,
J. Am. Chem. Soc., 1989, 111, 15, 5586, https://doi.org/10.1021/ja00197a013
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas IE (evaluated) Recommended ionization energy Pc Critical pressure 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°gas Enthalpy of combustion of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ΔvapS Entropy of vaporization ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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