Nonane
- Formula: C9H20
- Molecular weight: 128.2551
- IUPAC Standard InChIKey: BKIMMITUMNQMOS-UHFFFAOYSA-N
- CAS Registry Number: 111-84-2
- 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-Nonane; Shellsol 140; n-C9H20; UN 1920
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics 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.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -228.3 | kJ/mol | N/A | Good, 1969 | Value computed using ΔfHliquid° value of -274.7±1 kj/mol from Good, 1969 and ΔvapH° value of 46.43 kj/mol from missing citation.; DRB |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 506.5 ± 1.0 | J/mol*K | N/A | Scott D.W., 1974 | This reference does not contain the original experimental data. Experimental entropy value is based on the results [ Messerly J.F., 1967] for S(liquid).; GT |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
161.92 | 200. | Scott D.W., 1974, 2 | Recommended values were obtained from the consistent correlation scheme for alkanes [ Scott D.W., 1974, Scott D.W., 1974, 2]. This approach gives a good agreement with experimental data available for alkanes. However, large uncertainties could be expected at high temperatures.; GT |
196.77 | 273.15 | ||
210.4 ± 0.5 | 298.15 | ||
211.42 | 300. | ||
268.82 | 400. | ||
321.54 | 500. | ||
366.10 | 600. | ||
403.34 | 700. | ||
433.88 | 800. | ||
459.82 | 900. | ||
481.58 | 1000. | ||
499.99 | 1100. | ||
516.31 | 1200. | ||
531.37 | 1300. | ||
543.92 | 1400. | ||
556.47 | 1500. |
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:
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 | -274.7 ± 1.0 | kJ/mol | Ccr | Good, 1969 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -6125.21 ± 0.54 | kJ/mol | Ccr | Good, 1969 | Corresponding ΔfHºliquid = -274.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -6124.9 ± 1.1 | kJ/mol | Ccb | Prosen and Rossini, 1944 | Corresponding ΔfHºliquid = -275.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -6119.8 | kJ/mol | Ccb | Jessup, 1937 | Corresponding ΔfHºliquid = -280.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 393.67 | J/mol*K | N/A | Finke, Gross, et al., 1954 | DH |
S°liquid | 392.9 | J/mol*K | N/A | Huffman, Parks, et al., 1931 | Extrapolation below 90 K, 83.09 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
292.18 | 318.15 | Banipal, Garg, et al., 1991 | T = 318 to 373 K. p = 0.1 MPa.; DH |
284.34 | 298.15 | Trejo, Costas, et al., 1991 | DH |
284.76 | 298.15 | Andreoli-Ball, Patterson, et al., 1988 | DH |
283.8 | 298.15 | Wilhelm, Inglese, et al., 1982 | DH |
293.2 | 323. | Zaripov, 1982 | T = 298, 323, 363 K.; DH |
284.0 | 298.15 | Grolier, Hamedi, et al., 1979 | DH |
322.2 | 350. | Swietoslawski and Zielenkiewicz, 1958 | Mean value over the temperature range 22 to 129°C.; DH |
284.39 | 298.15 | Finke, Gross, et al., 1954 | T = 12 to 320 K.; DH |
284.01 | 298.15 | Osborne and Ginnings, 1947 | T = 278 to 318 K.; DH |
280.7 | 297.9 | Huffman, Parks, et al., 1931 | T = 93 to 298 K. Value is unsmoothed experimental datum.; DH |
281.2 | 299.1 | Parks, Huffman, et al., 1930 | T = 224 to 299 K. Value is unsmoothed experimental datum.; 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 423.8 ± 0.3 | K | AVG | N/A | Average of 44 out of 51 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 219.5 ± 0.5 | K | AVG | N/A | Average of 24 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 219.6 ± 0.3 | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 595. ± 1. | K | AVG | N/A | Average of 16 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 23.0 ± 0.4 | bar | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.555 | l/mol | N/A | Ambrose and Tsonopoulos, 1995 | |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 1.80 ± 0.05 | mol/l | N/A | Ambrose and Tsonopoulos, 1995 | |
ρc | 1.84 | mol/l | N/A | Steele, 1992 | Uncertainty assigned by TRC = 0.078 mol/l; TRC |
ρc | 1.80 | mol/l | N/A | Anselme, Gude, et al., 1990 | Uncertainty assigned by TRC = 0.05 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 46.5 ± 0.2 | kJ/mol | AVG | N/A | Average of 7 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
36.91 | 424. | N/A | Majer and Svoboda, 1985 | |
46.7 | 299. | C | Viton, Chavret, et al., 1996 | AC |
46. | 314. | C | Viton, Chavret, et al., 1996 | AC |
48.3 | 234. | A | Stephenson and Malanowski, 1987 | Based on data from 219. to 308. K. See also Carruth and Kobayashi, 1973.; AC |
42.7 | 359. | A,MM | Stephenson and Malanowski, 1987 | Based on data from 344. to 426. K. See also Willingham, Taylor, et al., 1945 and Forziati, Norris, et al., 1949.; AC |
43.9 | 337. | N/A | Paul, Krug, et al., 1986 | Based on data from 322. to 413. K.; AC |
44.3 | 328. | C | Majer, Svoboda, et al., 1984 | AC |
43.2 | 343. | C | Majer, Svoboda, et al., 1984 | AC |
42.1 | 358. | C | Majer, Svoboda, et al., 1984 | 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)
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Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 368. | 66.47 | 0.3 | 594.6 | 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 | Comment |
---|---|---|---|---|---|
219.7 to 307.73 | 3.82489 | 1492.928 | -55.895 | Carruth and Kobayashi, 1973 | Coefficents calculated by NIST from author's data. |
343.49 to 424.94 | 4.06245 | 1430.377 | -71.355 | Forziati, Norris, et al., 1949, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
74.6 | 219. | B | Bondi, 1963 | AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
15.0 | 219.5 | DSC | Mondieig, Rajabalee, et al., 2004 | AC |
15.48 | 219.7 | N/A | Acree, 1991 | See also Domalski and Hearing, 1996.; AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
6.280 | 217.2 | crystaline, II | crystaline, I | Finke, Gross, et al., 1954 | DH |
15.468 | 219.66 | crystaline, I | liquid | Finke, Gross, et al., 1954 | DH |
22.121 | 219.2 | crystaline, I | liquid | Huffman, Parks, et al., 1931 | Included heat effect due to transition just below melting point.; DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
28.91 | 217.2 | crystaline, II | crystaline, I | Finke, Gross, et al., 1954 | DH |
70.42 | 219.66 | crystaline, I | liquid | Finke, Gross, et al., 1954 | DH |
100.9 | 219.2 | crystaline, I | liquid | Huffman, Parks, et al., 1931 | Included; 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 |
---|---|---|---|---|
0.00017 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
0.0024 | 210. | X | N/A | |
0.00020 | L | N/A |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, 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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.71 ± 0.10 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.87 | EST | Luo and Pacey, 1992 | LL |
9.71 ± 0.10 | EVAL | Lias, 1982 | LBLHLM |
9.63 ± 0.15 | EQ | Mautner(Meot-Ner), Sieck, et al., 1981 | LLK |
10.19 | EI | Potzinger and Bunau, 1969 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H5+ | 13.20 | ? | EI | Potzinger and Bunau, 1969 | RDSH |
C3H7+ | 12.17 | ? | EI | Potzinger and Bunau, 1969 | RDSH |
C4H9+ | 11.15 | ? | EI | Potzinger and Bunau, 1969 | RDSH |
C5H11+ | 11.10 | C4H9 | EI | Potzinger and Bunau, 1969 | RDSH |
C6H13+ | 10.63 | ? | EI | Potzinger and Bunau, 1969 | RDSH |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Condensed 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: 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-3673 |
NIST MS number | 228006 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics 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.
Good, 1969
Good, W.D.,
Enthalpies of combustion and formation of 11 isomeric nonanes,
J. Chem. Eng. Data, 1969, 14, 231-235. [all data]
Scott D.W., 1974
Scott D.W.,
Correlation of the chemical thermodynamic properties of alkane hydrocarbons,
J. Chem. Phys., 1974, 60, 3144-3165. [all data]
Messerly J.F., 1967
Messerly J.F.,
Low-temperature thermal data for n-pentane, n-heptadecane, and n-octadecane. Revised thermodynamic functions for the n-alkanes, C5-C18,
J. Chem. Eng. Data, 1967, 12, 338-346. [all data]
Scott D.W., 1974, 2
Scott D.W.,
Chemical Thermodynamic Properties of Hydrocarbons and Related Substances. Properties of the Alkane Hydrocarbons, C1 through C10 in the Ideal Gas State from 0 to 1500 K. U.S. Bureau of Mines, Bulletin 666, 1974. [all data]
Prosen and Rossini, 1944
Prosen, E.J.; Rossini, F.D.,
Heats of combustion of eight normal paraffin hydrocarbons in the liquid state,
J. Res. NBS, 1944, 33, 255-272. [all data]
Jessup, 1937
Jessup, R.S.,
Heats of combustion of the liquid normal paraffin hydrocarbons from hexane to dodecane,
J. Res. NBS, 1937, 18, 114-128. [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]
Huffman, Parks, et al., 1931
Huffman, H.M.; Parks, G.S.; Barmore, M.,
Thermal data on organic compounds. X. Further studies on the heat capacities, entropies and free energies of hydrocarbons,
J. Am. Chem. Soc., 1931, 53, 3876-3888. [all data]
Banipal, Garg, et al., 1991
Banipal, T.S.; Garg, S.K.; Ahluwalia, J.C.,
Heat capacities and densities of liquid n-octane, n-nonane, n-decane, and n-hexadecane at temperatures from 318.15 to 373.15 K and at pressures up to 10 MPa,
J. Chem. Thermodynam., 1991, 23, 923-931. [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]
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]
Wilhelm, Inglese, et al., 1982
Wilhelm, E.; Inglese, A.; Quint, J.R.; Grolier, J.-P.E.,
Molar excess volumes and excess heat capacities of (1,2,4-trichlorobenzene + an alkane),
J. Chem. Thermodynam., 1982, 14, 303-308. [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]
Grolier, Hamedi, et al., 1979
Grolier, J-P.E.; Hamedi, M.H.; Wilhelm, E.; Kehiaian, H.V.,
Excess heat capacities of binary mixtures of carbon tetrachloride with n-alkanes at 298.15 K,
Thermochim. Acta, 1979, 31, 79-84. [all data]
Swietoslawski and Zielenkiewicz, 1958
Swietoslawski, W.; Zielenkiewicz, A.,
Mean specific heat of some ternary azeotropes,
Bull. Acad. Pol. Sci. Ser. Sci. Chim., 1958, 6, 365-366. [all data]
Osborne and Ginnings, 1947
Osborne, N.S.; Ginnings, D.C.,
Measurements of heat of vaporization and heat capacity of a number of hydrocarbons,
J. Res. NBS, 1947, 39, 453-477. [all data]
Parks, Huffman, et al., 1930
Parks, G.S.; Huffman, H.M.; Thomas, S.B.,
Thermal data on organic compounds. VI. The heat capacities, entropies and free energies of some saturated, non-benzenoid hydrocarbons,
J. Am. Chem. Soc., 1930, 52, 1032-1041. [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]
Steele, 1992
Steele, W.V.,
Personal Commun. 1992 1992, 1992. [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]
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]
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]
Carruth and Kobayashi, 1973
Carruth, Grant F.; Kobayashi, Riki,
Vapor pressure of normal paraffins ethane through n-decane from their triple points to about 10 mm mercury,
J. Chem. Eng. Data, 1973, 18, 2, 115-126, https://doi.org/10.1021/je60057a009
. [all data]
Willingham, Taylor, et al., 1945
Willingham, C.B.; Taylor, W.J.; Pignocco, J.M.; Rossini, F.D.,
Vapor pressures and boiling points of some paraffin, alkylcyclopentane, alkylcyclohexane, and alkylbenzene hydrocarbons,
J. RES. NATL. BUR. STAN., 1945, 35, 3, 219-17, https://doi.org/10.6028/jres.035.009
. [all data]
Forziati, Norris, et al., 1949
Forziati, Alphonse F.; Norris, William R.; Rossini, Frederick D.,
Vapor pressures and boiling points of sixty API-NBS hydrocarbons,
J. RES. NATL. BUR. STAN., 1949, 43, 6, 555-17, https://doi.org/10.6028/jres.043.050
. [all data]
Paul, Krug, et al., 1986
Paul, Hanns-Ingolf; Krug, Joseph; Knapp, Helmut,
Measurements of VLE, hE and vE for binary mixtures of n-alkanes with n-alkylbenzenes,
Thermochimica Acta, 1986, 108, 9-27, https://doi.org/10.1016/0040-6031(86)85073-0
. [all data]
Majer, Svoboda, et al., 1984
Majer, V.; Svoboda, V.; Pechacek, J.; Hala, S.,
Enthalpies of vaporization and cohesive energies of eight C9 to C11,
J. Chem. Thermodyn., 1984, 16, 567-572. [all data]
Forziati, Norris, et al., 1949, 2
Forziati, A.F.; Norris, W.R.; Rossini, F.D.,
Vapor Pressures and Boiling Points of Sixty API-NBS Hydrocarbons,
J. Res. Natl. Bur. Stand. (U.S.), 1949, 43, 6, 555-563, https://doi.org/10.6028/jres.043.050
. [all data]
Bondi, 1963
Bondi, A.,
Heat of Siblimation of Molecular Crystals: A Catalog of Molecular Structure Increments.,
J. Chem. Eng. Data, 1963, 8, 3, 371-381, https://doi.org/10.1021/je60018a027
. [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]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [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]
Luo and Pacey, 1992
Luo, Y.-R.; Pacey, P.D.,
Effects of alkyl substitution on ionization energies of alkanes and haloalkanes and on heats of formation of their molecular cations. Part 2. Alkanes and chloro-, bromo- and iodoalkanes,
Int. J. Mass Spectrom. Ion Processes, 1992, 112, 63. [all data]
Lias, 1982
Lias, S.G.,
Thermochemical information from ion-molecule rate constants,
Ion Cyclotron Reson. Spectrom. 1982, 1982, 409. [all data]
Mautner(Meot-Ner), Sieck, et al., 1981
Mautner(Meot-Ner), M.; Sieck, L.W.; Ausloos, P.,
Ionization of normal alkanes: Enthalpy, entropy, structural, and isotope effects,
J. Am. Chem. Soc., 1981, 103, 5342. [all data]
Potzinger and Bunau, 1969
Potzinger, P.; Bunau, G.v.,
Empirische Beruksichtigung von Uberschussenergien bei der Auftrittspotentialbestimmung,
Ber. Bunsen-Ges. Phys. Chem., 1969, 73, 466. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid IE (evaluated) Recommended ionization energy 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°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 ΔsubH Enthalpy of sublimation 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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