p-Xylene

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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
Δfliquid-24.4 ± 1.0kJ/molCcbProsen, Johnson, et al., 1946ALS
Quantity Value Units Method Reference Comment
Δcliquid-4551.44 ± 0.50kJ/molCmCoops, Mulder, et al., 1946Reanalyzed by Cox and Pilcher, 1970, Original value = -4547.76 ± 0.50 kJ/mol; Corresponding Δfliquid = -25.8 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-4552.86 ± 0.92kJ/molCcbProsen, Johnson, et al., 1946Corresponding Δfliquid = -24.4 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-4551.7kJ/molCcbRichards and Barry, 1915At 291 K; Corresponding Δfliquid = -25.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-4565.9kJ/molCcbRichards and Jesse, 1910At 293 K; Corresponding Δfliquid = -11.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid247.154J/mol*KN/AMesserly, Finke, et al., 1988DH
liquid243.51J/mol*KN/APitzer and Scott, 1943DH
liquid253.1J/mol*KN/AHuffman, Parks, et al., 1930Extrapolation below 90 K, 65.19 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
182.219298.15Messerly, Finke, et al., 1988T = 10 to 400 K.; DH
183.65298.15Tardajos, Aicart, et al., 1986DH
181.937298.15Fortier and Benson, 1979DH
181.9298.15Ott, Goates, et al., 1979T = 288.15 to 328.15 K.; DH
181.794298.15Fortier and Benson, 1977DH
181.55298.15Wilhelm, Grolier, et al., 1977DH
181.7298.15Hyder Khan and Subrahmanyam, 1971T = 298; 313 K.; DH
198.7336.Swietoslawski and Zielenkiewicz, 1958Mean value 21 to 106 C.; DH
181.6298.Corruccini and Ginnings, 1947T = 273 to 573 K.; DH
184.9298.Kurbatov, 1947T = 15 to 132 C, mean Cp, three temperatures.; DH
183.76298.15Pitzer and Scott, 1943T = 14 to 360 K.; DH
180.3299.0Huffman, Parks, et al., 1930T = 92 to 299 K. Value is unsmoothed experimental datum.; DH
176.6303.Willams and Daniels, 1924T = 303 to 348 K. Equation only.; 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
Tboil411.4 ± 0.5KAVGN/AAverage of 59 out of 65 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus286.3 ± 0.2KAVGN/AAverage of 18 out of 21 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple286.400KN/AMesserly, Finke, et al., 1988, 2Uncertainty assigned by TRC = 0.01 K; TRC
Ttriple286.3KN/AHuffman, Parks, et al., 1930, 2Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tc617. ± 3.KAVGN/AAverage of 12 values; Individual data points
Quantity Value Units Method Reference Comment
Pc35. ± 2.barAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Vc0.378l/molN/ATsonopoulos and Ambrose, 1995 
Quantity Value Units Method Reference Comment
ρc2.65 ± 0.02mol/lN/ATsonopoulos and Ambrose, 1995 
ρc2.661mol/lN/AAkhundov and Imanov, 1970Uncertainty assigned by TRC = 0.05 mol/l; TRC
ρc2.644mol/lN/ASimon, 1957Uncertainty assigned by TRC = 0.04 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap42. ± 4.kJ/molAVGN/AAverage of 14 values; Individual data points

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
35.67411.5N/AMajer and Svoboda, 1985 
40.3353.N/AHossenlopp and Archer, 1988AC
37.3426.AStephenson and Malanowski, 1987Based on data from 411. to 463. K.; AC
36.1475.AStephenson and Malanowski, 1987Based on data from 460. to 553. K.; AC
36.2566.AStephenson and Malanowski, 1987Based on data from 551. to 616. K.; AC
42.4301.IP,EBStephenson and Malanowski, 1987Based on data from 286. to 453. K. See also Osborn and Douslin, 1974.; AC
36.0 ± 0.1411.CNatarajan and Viswanath, 1985AC
34.5 ± 0.1436.CNatarajan and Viswanath, 1985AC
30.5 ± 0.1484.CNatarajan and Viswanath, 1985AC
24.7 ± 0.1540.CNatarajan and Viswanath, 1985AC
37.3395.N/ACastellari, Francesconi, et al., 1982Based on data from 380. to 410. K.; AC
41.6318.N/AGaw and Swinton, 1968Based on data from 303. to 343. K.; AC
40.1347.MMWillingham, Taylor, et al., 1945Based on data from 332. to 413. K. See also Forziati, Norris, et al., 1949.; 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 440.58.210.2768616.2Majer 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
286.43 to 452.384.145531474.403-55.377Osborn and Douslin, 1974Coefficents calculated by NIST from author's data.
420.00 to 600.004.509441788.91-13.902Ambrose, Broderick, et al., 1967Coefficents calculated by NIST from author's data.
331.44 to 412.444.111381450.688-58.16Williamham, Taylor, et al., 1945 
298. to 333.4.448891644.214-40.229Pitzer and Scott, 1943Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
59.4271.N/AStephenson and Malanowski, 1987Based on data from 247. to 286. K. See also Osborn and Douslin, 1974.; AC
60.8286.BHessler and Lichtenstein, 1986AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
17.11746286.405Messerly, Finke, et al., 1988DH
17.100286.3Corruccini and Ginnings, 1947DH
17.113286.39Pitzer and Scott, 1943DH
17.11286.3Domalski and Hearing, 1996AC
16.933286.3Huffman, Parks, et al., 1930DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
59.77286.405Messerly, Finke, et al., 1988DH
59.73286.3Corruccini and Ginnings, 1947DH
59.75286.39Pitzer and Scott, 1943DH
59.14286.3Huffman, Parks, et al., 1930DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 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)

H (mol/(kg*bar)) d(ln(kH))/d(1/T) (K) Method Reference Comment
0.133800.LN/A 
0.174500.MN/A 
0.123000.XN/A 
0.16 QN/A missing citation give several references for the Henry's law constants but don't assign them to specific species.
0.125300.XN/A 
0.133500.XN/A 
0.14 LN/A 
0.16 VN/A 
0.235400.MN/A 
0.16 VBohon and Claussen, 1951 

Gas phase ion energetics data

Go To: Top, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
MM - Michael M. Meot-Ner (Mautner)
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 C8H10+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.44 ± 0.05eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)794.4kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity766.8kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Reference Comment
0.001519 ± 0.000087Hammer, Diri, et al., 2003B

Proton affinity at 298K

Proton affinity (kJ/mol) Reference Comment
793.7Aue, Guidoni, et al., 2000Experimental literature data re-evaluated by the authors using ab initio protonation entropies; MM
790.5 ± 1.1Fernandez, Jennings, et al., 1989T = 370 - 750K; Reference Sprot(CH3)2O = 16.5 J/mol K in Hunter and Lias, 1998 needs to be re-evaluated; MM

Gas basicity at 298K

Gas basicity (review) (kJ/mol) Reference Comment
766.9Aue, Guidoni, et al., 2000Experimental literature data re-evaluated by the authors using ab initio protonation entropies; MM
771.3 ± 1.4Fernandez, Jennings, et al., 1989T = 370 - 750K; Reference Sprot(CH3)2O = 16.5 J/mol K in Hunter and Lias, 1998 needs to be re-evaluated; MM

Protonation entropy at 298K

Protonation entropy (J/mol*K) Reference Comment
44.2Fernandez, Jennings, et al., 1989T = 370 - 750K; Reference Sprot(CH3)2O = 16.5 J/mol K in Hunter and Lias, 1998 needs to be re-evaluated; MM

Ionization energy determinations

IE (eV) Method Reference Comment
8.52 ± 0.01EQLias and Ausloos, 1978LLK
8.44PEBock, Kaim, et al., 1978LLK
8.80 ± 0.05EILoudon and Mazengo, 1974LLK
8.37 ± 0.02PEMaier and Turner, 1973LLK
8.52CTSKinoshita, 1962RDSH
8.445PIBralsford, Harris, et al., 1960RDSH
8.44 ± 0.02PIVilesov and Terenin, 1957RDSH
8.445 ± 0.015PIWatanabe, 1954RDSH
8.48SHammond, Price, et al., 1950RDSH
8.44PEHowell, Goncalves, et al., 1984Vertical value; LBLHLM
8.43PEKoenig, Tuttle, et al., 1974Vertical value; LLK
8.6 ± 0.03PEKlessinger, 1972Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H5+16.3 ± 0.2C2H2+CH3EITajima and Tsuchiya, 1973LLK
C7H7+11.5 ± 0.3?EIMcLafferty and Winkler, 1974LLK
C7H7+11.9 ± 0.2CH3EILoudon and Mazengo, 1974LLK
C7H7+11.05 ± 0.05CH3PIAkopyan and Vilesov, 1968RDSH
C7H7+11.3 ± 0.1CH3EINounou, 1966RDSH
C8H9+12.1 ± 0.2HEILoudon and Mazengo, 1974LLK
C8H9+11.35 ± 0.05HPIAkopyan and Vilesov, 1968RDSH
C8H9+11.9 ± 0.1HEITait, Shannon, et al., 1962RDSH

De-protonation reactions

C8H9- + Hydrogen cation = p-Xylene

By formula: C8H9- + H+ = C8H10

Quantity Value Units Method Reference Comment
Δr1598. ± 10.kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1568. ± 9.6kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D., Heats of combustion and formation at 25°C of the alkylbenzenes through C10H14, and of the higher normal monoalkylbenzenes, J. Res. NBS, 1946, 36, 455-461. [all data]

Coops, Mulder, et al., 1946
Coops, J.; Mulder, D.; Dienske, J.W.; Smittenberg, J., The heats of combustion of a number of hydrocarbons, Rec. Trav. Chim. Pays/Bas, 1946, 65, 128. [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]

Richards and Barry, 1915
Richards, T.W.; Barry, F., The heats of combustion of aromatic hydrocarbons and hexamethylene, J. Am. Chem. Soc., 1915, 37, 993-1020. [all data]

Richards and Jesse, 1910
Richards, T.W.; Jesse, R.H., Jr., The heats of combustion of the octanes and xylenes, J. Am. Chem. Soc., 1910, 32, 268-298. [all data]

Messerly, Finke, et al., 1988
Messerly, J.F.; Finke, H.L.; Good, W.D.; Gammon, B.E., Condensed-phase heat capacities and derived thermodynamic properties for 1,4-dimethylbenzene, 1,2-diphenylethane, and 2,3-dimethylnaphthalene, J. Chem. Thermodynam., 1988, 20, 485-501. [all data]

Pitzer and Scott, 1943
Pitzer, K.S.; Scott, D.W., The thermodynamics and molecular structure of benzene and its methyl derivatives, J. Am. Chem. Soc., 1943, 65, 803-829. [all data]

Huffman, Parks, et al., 1930
Huffman, H.M.; Parks, G.S.; Daniels, A.C., Thermal data on organic compounds. VII. The heat capacities, entropies and free energies of twelve aromatic hydrocarbons, J. Am. Chem. Soc., 1930, 52, 1547-1558. [all data]

Tardajos, Aicart, et al., 1986
Tardajos, G.; Aicart, E.; Costas, M.; Patterson, D., Liquid structure and second-order mixing functions for benzene, toluene, and p-xylene with n-alkanes, J. Chem. Soc., Faraday Trans., 1986, 1 82, 2977-2987. [all data]

Fortier and Benson, 1979
Fortier, J.-L.; Benson, G.C., Heat capacities of some binary aromatic hydrocarbon mixtures containing benzene or toluene, J. Chem. Eng. Data, 1979, 24(1), 34-37. [all data]

Ott, Goates, et al., 1979
Ott, J.B.; Goates, J.R.; Grigg, R.B., Excess volumes, enthalpies, and Gibbs free energies for mixtures of benzenes + p-xylene, J. Chem. Thermodynam., 1979, 11, 1167-1173. [all data]

Fortier and Benson, 1977
Fortier, J.-L.; Benson, G.C., Excess heat capacities of binary mixtures of tetrachloromethane witlh some aromatic liquids at 298.15 K, J. Chem. Thermodynam., 1977, 9, 1181-1188. [all data]

Wilhelm, Grolier, et al., 1977
Wilhelm, E.; Grolier, J.-P.E.; Karbalai Ghassemi, M.H., Molar heat capacities of binary liquid mixtures: 1,2-dichloroethane + benzene, + toluene, and + p-xylene, Ber. Bunsenges. Phys. Chem., 1977, 81, 925-930. [all data]

Hyder Khan and Subrahmanyam, 1971
Hyder Khan, V.; Subrahmanyam, S.V., Excess thermodynamic functions of the systems: benzene + p-xylene and benzene + p-dioxan, Trans. Faraday Soc., 1971, 67, 2282-2291. [all data]

Swietoslawski and Zielenkiewicz, 1958
Swietoslawski, W.; Zielenkiewicz, A., Mean specific heats of binary positive azeotropes, Bull. Acad. Pol. Sci. Ser. Sci. Chim., 1958, 6, 367-369. [all data]

Corruccini and Ginnings, 1947
Corruccini, R.J.; Ginnings, D.C., The enthalpy, entropy and specific heat of liquid p-xylene from 0 to 300°. The heat of fusion, J. Am. Chem. Soc., 1947, 69, 2291-2294. [all data]

Kurbatov, 1947
Kurbatov, V.Ya., Specific heat of liquids. I. Specific heat of benzenoid hydrocarbons, Zhur. Obshch. Khim., 1947, 17, 1999-2003. [all data]

Willams and Daniels, 1924
Willams, J.W.; Daniels, F., The specific heats of certain organic liquids at elevated temperatures, J. Am. Chem. Soc., 1924, 46, 903-917. [all data]

Messerly, Finke, et al., 1988, 2
Messerly, J.F.; Finke, H.L.; Good, W.D.; Gammon, B.E., Condensed-phase heat capacities and derived thermodynamic properties for 1,4-dimethylbenzene, 1,2-diphenylethane, and 2,3-dimethylnaphthalene, J. Chem. Thermodyn., 1988, 20, 485. [all data]

Huffman, Parks, et al., 1930, 2
Huffman, H.M.; Parks, G.S.; Daniels, A.C., Thermal Data on Organic Compounds: VII The Heat Capacities, Entropies and Free Energies of Twelve Aromatic Hydrocarbons, J. Am. Chem. Soc., 1930, 52, 1547-58. [all data]

Tsonopoulos and Ambrose, 1995
Tsonopoulos, C.; Ambrose, D., Vapor-Liquid Critical Properties of Elements and Compounds. 3. Aromatic Hydrocarbons, J. Chem. Eng. Data, 1995, 40, 547-558. [all data]

Akhundov and Imanov, 1970
Akhundov, T.S.; Imanov, Sh.Yu., Teplofiz. Svoistva Zhidk., 1970, 1970, 48-55. [all data]

Simon, 1957
Simon, M., Methods and Apparatus Used at the Bureau of Physicochemical Standards XV. Critical Constants and Straight-Line Diameters of Ten Hydrocarbons, Bull. Soc. Chim. Belg., 1957, 66, 375-81. [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]

Hossenlopp and Archer, 1988
Hossenlopp, I.A.; Archer, D.G., Enthalpies of vaporization of piperidine and 1,2-dimethylbenzene; gas-phase isobaric heat capacities of piperidine, The Journal of Chemical Thermodynamics, 1988, 20, 9, 1061-1068, https://doi.org/10.1016/0021-9614(88)90112-7 . [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]

Osborn and Douslin, 1974
Osborn, Ann G.; Douslin, Donald R., Vapor-pressure relations for 15 hydrocarbons, J. Chem. Eng. Data, 1974, 19, 2, 114-117, https://doi.org/10.1021/je60061a022 . [all data]

Natarajan and Viswanath, 1985
Natarajan, Govindarajan; Viswanath, Dabir S., Enthalpy of vaporization and vapor pressure of benzene, toluene, p-xylene, and tetralin between 1 and 16 bar, J. Chem. Eng. Data, 1985, 30, 2, 137-140, https://doi.org/10.1021/je00040a001 . [all data]

Castellari, Francesconi, et al., 1982
Castellari, Carlo; Francesconi, Romolo; Comelli, Fabio, Vapor-liquid equilibriums in binary systems containing 1,3-dioxolane at isobaric conditions. 3. Binary mixtures of 1,3-dioxolane with o-, m-, and p-xylenes, J. Chem. Eng. Data, 1982, 27, 2, 156-158, https://doi.org/10.1021/je00028a017 . [all data]

Gaw and Swinton, 1968
Gaw, W.J.; Swinton, F.L., Thermodynamic properties of binary systems containing hexafluorobenzene. Part 4.?Excess Gibbs free energies of the three systems hexafluorobenzene + benzene, touene, and p-xylene, Trans. Faraday Soc., 1968, 64, 2023, https://doi.org/10.1039/tf9686402023 . [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]

Ambrose, Broderick, et al., 1967
Ambrose, D.; Broderick, B.E.; Townsend, R., The Vapour Pressures Above the Normal Boiling Point and the Critical Pressures of Some Aromatic Hydrocarbons, J. Chem. Soc. A:, 1967, 633-641, https://doi.org/10.1039/j19670000633 . [all data]

Williamham, Taylor, et al., 1945
Williamham, 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. Stand. (U.S.), 1945, 35, 3, 219-244, https://doi.org/10.6028/jres.035.009 . [all data]

Hessler and Lichtenstein, 1986
Hessler, W.; Lichtenstein, W., Wiss. Zeitschr. Wilhelm-Pieck-Univ. Rostock, Naturwiss. Reihe, 1986, 35, 7, 27. [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]

Bohon and Claussen, 1951
Bohon, R.L.; Claussen, W.F., The solubility of aromatic hydrocarbons in water, J. Am. Chem. Soc., 1951, 73, 1571-1578. [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]

Hammer, Diri, et al., 2003
Hammer, N.I.; Diri, K.; Jordan, K.D.; Desfrancois, C.; Compton, R.N., Dipole-bound anions of carbonyl, nitrile, and sulfoxide containing molecules, J. Chem. Phys., 2003, 119, 7, 3650-3660, https://doi.org/10.1063/1.1590959 . [all data]

Aue, Guidoni, et al., 2000
Aue, D.H.; Guidoni, M.; Betowski, L.D., Ab initio calculated gas-phase basicities of polynuclear aromatic hydrocarbons, Int. J. Mass Spectrom., 2000, 201, 283. [all data]

Fernandez, Jennings, et al., 1989
Fernandez, T.; Jennings, K.R.; Mason, R.S., Gas-phase proton transfer reactions in xylene-dimethyl ether mixtures, J. Chem. Soc. Faraday Trans. 2, 1989, 85, 1813. [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]

Bock, Kaim, et al., 1978
Bock, H.; Kaim, W.; Rohwer, H.E., Die hyperkonjugative Stabilisierung von p-Xylol-Radikalkationen durch (H3C)3Si-Substituenten, Chem. Ber., 1978, 111, 3573. [all data]

Loudon and Mazengo, 1974
Loudon, A.G.; Mazengo, R.Z., Steric strain and electron-impact. The behaviour of some n, n'-dimethyl- 1,1-binaphthyls, some n, n'-dimethylbiphenyls and model compounds, Org. Mass Spectrom., 1974, 8, 179. [all data]

Maier and Turner, 1973
Maier, J.P.; Turner, D.W., Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part 2. Phenylethylenes, J. Chem. Soc. Faraday Trans. 2, 1973, 69, 196. [all data]

Kinoshita, 1962
Kinoshita, M., The absorption spectra of the molecular complexes of aromatic compounds with p-bromanil, Bull. Chem. Soc. Japan, 1962, 35, 1609. [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]

Vilesov and Terenin, 1957
Vilesov, F.I.; Terenin, A.N., The photoionization of the vapors of certain organic compounds, Dokl. Akad. Nauk SSSR, 1957, 115, 744, In original 539. [all data]

Watanabe, 1954
Watanabe, K., Photoionization and total absorption cross section of gases. I. Ionization potentials of several molecules. Cross sections of NH3 and NO, J. Chem. Phys., 1954, 22, 1564. [all data]

Hammond, Price, et al., 1950
Hammond, V.J.; Price, W.C.; Teegan, J.P.; Walsh, A.D., The absorption spectra of some substituted benzenes and naphthalenes in the vacuum ultra-violet, Faraday Discuss. Chem. Soc., 1950, 9, 53. [all data]

Howell, Goncalves, et al., 1984
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McLafferty and Winkler, 1974
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Notes

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