Benzene

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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
Δfgas82.9 ± 0.9kJ/molReviewRoux, Temprado, et al., 2008There are sufficient high-quality literature values to make a good evaluation with a high degree of confidence. In general, the evaluated uncertainty limits are on the order of (0.5 to 2.5) kJ/mol.; DRB
Δfgas82.8kJ/molN/AGood and Smith, 1969Value computed using ΔfHliquid° value of 49.0±0.5 kj/mol from Good and Smith, 1969 and ΔvapH° value of 33.9 kj/mol from Prosen, Gilmont, et al., 1945.; DRB
Δfgas82.93 ± 0.50kJ/molCcbProsen, Gilmont, et al., 1945Hf by Prosen, Johnson, et al., 1946; ALS
Δfgas79.9kJ/molN/ALandrieu, Baylocq, et al., 1929Value computed using ΔfHliquid° value of 46.0 kj/mol from Landrieu, Baylocq, et al., 1929 and ΔvapH° value of 33.9 kj/mol from Prosen, Gilmont, et al., 1945.; DRB

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
33.2750.Thermodynamics Research Center, 1997GT
35.11100.
41.94150.
53.17200.
74.55273.15
82.44298.15
83.02300.
113.52400.
139.35500.
160.09600.
176.78700.
190.45800.
201.82900.
211.411000.
219.561100.
226.521200.
232.491300.
237.651400.
242.111500.
250.911750.
257.262000.
261.952250.
265.502500.
268.232750.
270.373000.

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
93.32 ± 0.06333.15Todd S.S., 1978Please also see Montgomery J.B., 1942, Pitzer K.S., 1943, Scott D.W., 1947.; GT
95.81341.60
97.99 ± 0.06348.15
103.98 ± 0.06368.15
105.02370.
104.77371.20
108.8 ± 1.3388.
110.88390.
110.5 ± 1.3393.
113.93402.30
114.29 ± 0.07403.15
115.48410.
117.6 ± 1.3417.
118.8 ± 1.3428.
123.39436.15
123.93 ± 0.07438.15
126.8 ± 1.3463.
132.42471.10
132.94 ± 0.08473.15
131.4 ± 1.3481.
139.47 ± 0.08500.15
145.59 ± 0.09527.15

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid49. ± 0.9kJ/molReviewRoux, Temprado, et al., 2008There are sufficient high-quality literature values to make a good evaluation with a high degree of confidence. In general, the evaluated uncertainty limits are on the order of (0.5 to 2.5) kJ/mol.; DRB
Δfliquid48.95 ± 0.54kJ/molCcbGood and Smith, 1969ALS
Δfliquid49.04 ± 0.50kJ/molCcbProsen, Gilmont, et al., 1945Hf by Prosen, Johnson, et al., 1946; ALS
Δfliquid46.0kJ/molCcbLandrieu, Baylocq, et al., 1929ALS
Quantity Value Units Method Reference Comment
Δcliquid-3267. ± 20.kJ/molAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
liquid173.26J/mol*KN/AOliver, Eaton, et al., 1948DH
liquid175.3J/mol*KN/AHuffman, Parks, et al., 1930Extrapolation below 90 K, 47.49 J/mol*K.; DH
Quantity Value Units Method Reference Comment
solid,1 bar45.56J/mol*KN/AAhlberg, Blanchard, et al., 1937DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
135.69298.15Grolier, Roux-Desgranges, et al., 1993DH
135.9298.5Czarnota, 1991p = 0.1 MPa. Cp values given for the pressure range 0.1 to 68.1 MPa.; DH
135.62298.15Lainez, Rodrigo, et al., 1989DH
134.63298.15Shiohama, Ogawa, et al., 1988DH
135.75298.15Grolier, Roux-Desgranges, et al., 1987DH
134.61293.15Kalali, Kohler, et al., 1987T = 293.15, 313.15 K.; DH
135.707298.15Tanaka, 1987DH
139.9322.05Naziev, Bashirov, et al., 1986T = 322.05, 351.15 K. p = 0.1 MPa. Unsmoothed experimental datum given as 1.7915 kJ/kg*K.; DH
137.4303.15Reddy, 1986T = 303.15, 313.15 K.; DH
136.06298.15Ogawa and Murakami, 1985DH
135.718298.15Tanaka, 1985DH
136.24298.15Gorbunova, Simonov, et al., 1983T = 283.78 to 348.47 K. Cp = 1.3943 - 5.857x10-4T + 5.89x10-6T2 kJ/kg*K. Cp value calculated from equation.; DH
136.5300.Gorbunova, Grigoriev, et al., 1982T = 280 to 353 K. Data also given by equation.; DH
135.7298.15Grolier, Inglese, et al., 1982T = 298.15 K.; DH
135.74298.15Tanaka, 1982Temperatures 293.15, 298.15, 303.15 K.; DH
135.60298.15Wilhelm, Faradjzadeh, et al., 1982DH
133.6293.15Atalla, El-Sharkawy, et al., 1981DH
135.90298.15Vesely, Zabransky, et al., 1979DH
135.61298.15Grolier, Wilhelm, et al., 1978DH
135.90298.15Vesely, Svoboda, et al., 1977T = 298 to 318 K.; DH
135.60298.15Wilhelm, Grolier, et al., 1977DH
135.76298.15Fortier, Benson, et al., 1976DH
135.760298.15Fortier and Benson, 1976DH
135.7298.15Rajagopal and Subrahmanyam, 1974T = 298.15 to 323.15 K.; DH
134.3298.Deshpande and Bhatagadde, 1971T = 298 to 318 K.; DH
135.9298.15Hyder Khan and Subrahmanyam, 1971T = 298; 313 K.; DH
135.9298.Subrahmanyam and Khan, 1969DH
135.4298.Recko, 1968T = 24 to 40°C, equation only.; DH
130.298.Pacor, 1967DH
134.6293.Rastorguev and Ganiev, 1967T = 293 to 353 K.; DH
135.30300.Findenegg, Gruber, et al., 1965DH
134.98298.Rabinovich and Nikolaev, 1962T = 10 to 35°C.; DH
135.1316.Swietoslawski and Zielenkiewicz, 1960Mean value 21 to 66°C.; DH
136.4303.Duff and Everett, 1956T = 303 to 353 K.; DH
135.23298.Staveley, Tupman, et al., 1955T = 288 to 347 K.; DH
31.8293.Sieg, Crtzen, et al., 1951DH
136.06298.15Oliver, Eaton, et al., 1948T = 13 to 337 K.; DH
119.295.Tschamler, 1948DH
133.5298.Kurbatov, 1947T = 9 to 80°C, mean Cp, five temperatures.; DH
136.0298.1Zhdanov, 1941T = 8 to 46°C.; DH
135.44298.2Burlew, 1940T = 281 to 353 K.; DH
131.4287.8Kolosovskii and Udovenko, 1934DH
131.4287.8de Kolossowsky and Udowenko, 1933DH
131.4298.15Ferguson and Miller, 1933T = 293 to 323 K. Data calculated from equation.; DH
135.1298.1Richards and Wallace, 1932T = 293 to 333 K.; DH
143.57323.15Fiock, Ginnings, et al., 1931T = 50 to 110°C.; DH
135.1300.0Huffman, Parks, et al., 1930T = 93 to 300 K. Value is unsmoothed experimental datum.; DH
132.2298.Andrews, Lynn, et al., 1926T = -18 to 110°C.; DH
133.1293.2Williams and Daniels, 1925T = 20 to 60°C.; DH
133.9303.Willams and Daniels, 1924T = 303 to 333 K. Equation only.; DH
137.2298.Dejardin, 1919T = 24 to 50°C.; DH
133.5298.von Reis, 1881T = 292 to 364 K.; DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
47.8690.Ahlberg, Blanchard, et al., 1937T = 4 to 93 K.; DH
97.9223.9Aoyama and Kanda, 1935T = 82 to 224 K. Value is unsmoothed experimental datum.; DH
118.4273.Maass and Walbauer, 1925T = 93 to 273 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil353.3 ± 0.1KAVGN/AAverage of 147 out of 183 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus278.64 ± 0.08KAVGN/AAverage of 57 out of 69 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple278.5 ± 0.6KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Tc562.0 ± 0.8KAVGN/AAverage of 36 out of 41 values; Individual data points
Quantity Value Units Method Reference Comment
Pc48.9 ± 0.4barAVGN/AAverage of 24 out of 26 values; Individual data points
Quantity Value Units Method Reference Comment
Vc0.25 ± 0.03l/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
ρc3.9 ± 0.2mol/lAVGN/AAverage of 12 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap33.9 ± 0.1kJ/molAVGN/AAverage of 10 out of 11 values; Individual data points
Quantity Value Units Method Reference Comment
Δsub44.4kJ/molTE,MEKruif, 1980Based on data from 183. - 197. K.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
30.72353.3N/AMajer and Svoboda, 1985 
33.2320.N/ALubomska, Banas, et al., 2002Based on data from 305. - 345. K.; AC
35.6258. - 313.GCLiu and Dickhut, 1994AC
33.5311.EBAmbrose, Ewing, et al., 1990Based on data from 296. - 377. K.; AC
33.4307.CDong, Lin, et al., 1988AC
33.1314.CDong, Lin, et al., 1988AC
32.4324.CDong, Lin, et al., 1988AC
31.9332.CDong, Lin, et al., 1988AC
31.4344.CDong, Lin, et al., 1988AC
30.6353.CDong, Lin, et al., 1988AC
34.4294.AStephenson and Malanowski, 1987Based on data from 279. - 377. K.; AC
31.5368.AStephenson and Malanowski, 1987Based on data from 353. - 422. K.; AC
30.2435.AStephenson and Malanowski, 1987Based on data from 420. - 502. K.; AC
30.3516.AStephenson and Malanowski, 1987Based on data from 501. - 562. K.; AC
30.8352.N/ANatarajan, 1983AC
30.5361.N/ANatarajan, 1983AC
30.2366.N/ANatarajan, 1983AC
35.3343.N/ATsonopoulos and Wilson, 1983Based on data from 313. - 373. K.; AC
31.350.N/ARao and Viswanath, 1977AC
33.0 ± 0.1313.CSvoboda, Veselý, et al., 1973AC
32.2 ± 0.1328.CSvoboda, Veselý, et al., 1973AC
31.8 ± 0.1333.CSvoboda, Veselý, et al., 1973AC
31.4 ± 0.1343.CSvoboda, Veselý, et al., 1973AC
30.9 ± 0.1353.CSvoboda, Veselý, et al., 1973AC
32.6 ± 0.4313.DSCMita, Imai, et al., 1971AC
32.5 ± 0.5328.DSCMita, Imai, et al., 1971AC
31.6 ± 0.4345.DSCMita, Imai, et al., 1971AC
34.1299.N/AForziati, Norris, et al., 1949Based on data from 284. - 354. K.; AC
34.1293.N/AYarym-Agaev, Fedos'ev, et al., 1949AC
34.1297.N/AThomson, 1946Based on data from 282. - 354. K.; AC
31.2294.N/AScott and Brickwedde, 1945AC
34.1303.MMWillingham, Taylor, et al., 1945Based on data from 288. - 354. K.; AC
33.4313.EBSmith, 1941Based on data from 298. - 373. K.; AC
34.5288.N/AStuckey and Saylor, 1940Based on data from 273. - 348. K.; AC

Enthalpy of vaporization

ΔvapH = A exp(-αTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) 293. - 469.
A (kJ/mol) 47.41
α 0.1231
β 0.3602
Tc (K) 562.1
ReferenceMajer 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
333.4 - 373.54.725831660.652-1.461Eon, Pommier, et al., 1971Coefficents calculated by NIST from author's data.
297.9 - 318.0.1459139.165-261.236Deshpande and Pandya, 1967Coefficents calculated by NIST from author's data.
421.56 - 554.84.603621701.07320.806Kalafati, Rasskazov, et al., 1967Coefficents calculated by NIST from author's data.
287.70 - 354.074.018141203.835-53.226Williamham, Taylor, et al., 1945 

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
41.7258. - 273.N/ALiu and Dickhut, 1994AC
45.2264.AStephenson and Malanowski, 1987Based on data from 223. - 279. K. See also Ha, Morrison, et al., 1976.; AC
45.1278.N/AHessler, 1984AC
53.9 ± 0.8193.N/ADe Kruif and Van Ginkel, 1977AC
49.4 ± 0.4193.N/ADe Kruif and Van Ginkel, 1977AC
45.6279.MMJackowski, 1974Based on data from 221. - 268. K.; AC
44.1261.N/AJones, 1960AC
43.1229.N/AJones, 1960AC
44.6279.N/AMilazzo, 1956AC
46.6282.AStull, 1947Based on data from 263. - 270. K.; AC
38.303.VWolf and Weghofer, 1938ALS
44.6273.N/Ade Boer, 1936See also Jackowski, 1974.; AC
43.3226.AMündel, 1913Based on data from 214. - 238. K.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Method Reference Comment
9.8663278.69N/AOliver, Eaton, et al., 1948DH
9.916278.65N/AZiegler and Andrews, 1942DH
9.87278.7CDomalski and Hearing, 1996See also Andrews, Lynn, et al., 1926 and Ziegler and Andrews, 1942.; AC
9.300279.1N/ASmith, 1979DH
8.950278.8N/APacor, 1967DH
9.937278.6N/ATschamler, 1948DH
9.803278.6N/AHuffman, Parks, et al., 1930DH
9.875278.55N/AAndrews, Lynn, et al., 1926DH
10.000278.64N/AMaass and Walbauer, 1925DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
35.40278.69Oliver, Eaton, et al., 1948DH
35.59278.65Ziegler and Andrews, 1942DH
33.3279.1Smith, 1979DH
32.1278.8Pacor, 1967DH
35.19278.6Huffman, Parks, et al., 1930DH
35.5278.55Andrews, Lynn, et al., 1926DH
35.9278.64Maass and Walbauer, 1925DH

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:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar

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.

Reactions 1 to 50

Chlorine anion + Benzene = (Chlorine anion • Benzene)

By formula: Cl- + C6H6 = (Cl- • C6H6)

Quantity Value Units Method Reference Comment
Δr25.1 ± 1.9kJ/molN/ATschurl, Ueberfluss, et al., 2007gas phase; B
Δr39. ± 8.4kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr41.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M
Δr36.kJ/molPHPMSPaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
Δr43.5kJ/molPHPMSSunner, Nishizawa, et al., 1981gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr74.9J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr71.J/mol*KN/APaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
Δr71.5J/mol*KN/ALarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δr92.J/mol*KN/ASunner, Nishizawa, et al., 1981gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr17. ± 11.kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr16. ± 6.7kJ/molIMREChowdhury and Kebarle, 1986gas phase; B
Δr20. ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M
Δr15.9kJ/molIMREFrench, Ikuta, et al., 1982gas phase; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
15.300.PHPMSPaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
16.300.PHPMSChowdhury and Kebarle, 1986gas phase; M
16.300.PHPMSSunner, Nishizawa, et al., 1981gas phase; Entropy change calculated or estimated; M

C6H5- + Hydrogen cation = Benzene

By formula: C6H5- + H+ = C6H6

Quantity Value Units Method Reference Comment
Δr1678.7 ± 2.1kJ/molG+TSDavico, Bierbaum, et al., 1995gas phase; Revised per Ervin and DeTuro, 2002 change in NH3 acidity. Alecu, Gao, et al., 2007 using thermal methods, agrees with this BDE: 112.8±0.6; value altered from reference due to change in acidity scale; B
Δr1678.5 ± 0.88kJ/molD-EAGunion, Gilles, et al., 1992gas phase; B
Δr1677. ± 10.kJ/molTDEqMeot-ner and Sieck, 1986gas phase; B
Δr1680. ± 42.kJ/molCIDTGraul and Squires, 1990gas phase; B
Δr1665. ± 23.kJ/molG+TSBohme and Young, 1971gas phase; B
Quantity Value Units Method Reference Comment
Δr1641.8 ± 1.7kJ/molIMREDavico, Bierbaum, et al., 1995gas phase; Revised per Ervin and DeTuro, 2002 change in NH3 acidity. Alecu, Gao, et al., 2007 using thermal methods, agrees with this BDE: 112.8±0.6; value altered from reference due to change in acidity scale; B
Δr1636. ± 8.4kJ/molTDEqMeot-ner and Sieck, 1986gas phase; B
Δr1632. ± 27.kJ/molIMRBBartmess and McIver Jr., 1979gas phase; B
Δr1628. ± 23.kJ/molIMRBBohme and Young, 1971gas phase; B

C6H6+ + Benzene = (C6H6+ • Benzene)

By formula: C6H6+ + C6H6 = (C6H6+ • C6H6)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr60. ± 30.kJ/molAVGN/AAverage of 7 out of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Δr120.J/mol*KPHPMSHiraoka, Fujimaki, et al., 1991gas phase; M
Δr110.J/mol*KPHPMSMeot-Ner (Mautner), Hamlet, et al., 1978gas phase; M
Δr96.J/mol*KHPMSField, Hamlet, et al., 1969gas phase; M

Lithium ion (1+) + Benzene = (Lithium ion (1+) • Benzene)

By formula: Li+ + C6H6 = (Li+ • C6H6)

Quantity Value Units Method Reference Comment
Δr161. ± 13.kJ/molCIDTAmicangelo and Armentrout, 2000RCD
Δr159.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M
Δr153.kJ/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
Δr115.J/mol*KN/AWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
Δr124.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M

Bromine anion + Benzene = (Bromine anion • Benzene)

By formula: Br- + C6H6 = (Br- • C6H6)

Quantity Value Units Method Reference Comment
Δr38. ± 8.4kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr71.1J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr71.J/mol*KN/APaul and Kebarle, 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr10. ± 4.2kJ/molIMREPaul and Kebarle, 1991gas phase; B
Δr16. ± 11.kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
0.0423.PHPMSPaul and Kebarle, 1991gas phase; Entropy change calculated or estimated; M

(Sodium ion (1+) • Benzene) + Benzene = (Sodium ion (1+) • 2Benzene)

By formula: (Na+ • C6H6) + C6H6 = (Na+ • 2C6H6)

Quantity Value Units Method Reference Comment
Δr81. ± 5.kJ/molAVGN/AAverage of 7 values; Individual data points

Sodium ion (1+) + Benzene = (Sodium ion (1+) • Benzene)

By formula: Na+ + C6H6 = (Na+ • C6H6)

Quantity Value Units Method Reference Comment
Δr95.4 ± 5.9kJ/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Δr88.3 ± 5.0kJ/molCIDTAmicangelo and Armentrout, 2000RCD
Δr88.3 ± 4.6kJ/molCIDTArmentrout and Rodgers, 2000RCD
Δr117.kJ/molHPMSGuo, Purnell, et al., 1990gas phase; M
Quantity Value Units Method Reference Comment
Δr131.J/mol*KHPMSGuo, Purnell, et al., 1990gas phase; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
65.7298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

C9H13N+ + Benzene = (C9H13N+ • Benzene)

By formula: C9H13N+ + C6H6 = (C9H13N+ • C6H6)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr46.9kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KN/AMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
11.331.PHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

C7H9N+ + Benzene = (C7H9N+ • Benzene)

By formula: C7H9N+ + C6H6 = (C7H9N+ • C6H6)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr51.5kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KN/AMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr19.kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

C8H11N+ + Benzene = (C8H11N+ • Benzene)

By formula: C8H11N+ + C6H6 = (C8H11N+ • C6H6)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr41.8kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KN/AMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr9.2kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

C10H10Fe+ + Benzene = (C10H10Fe+ • Benzene)

By formula: C10H10Fe+ + C6H6 = (C10H10Fe+ • C6H6)

Quantity Value Units Method Reference Comment
Δr30.kJ/molPHPMSMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M
Quantity Value Units Method Reference Comment
Δr84.J/mol*KN/AMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
13.252.PHPMSMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M

(Cobalt ion (1+) • Benzene) + Benzene = (Cobalt ion (1+) • 2Benzene)

By formula: (Co+ • C6H6) + C6H6 = (Co+ • 2C6H6)

Quantity Value Units Method Reference Comment
Δr167. ± 14.kJ/molCIDTMeyer, Khan, et al., 1995RCD
Quantity Value Units Method Reference Comment
Δr116.J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; ΔrS(490 K); M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
167. (+13.,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M
113. (+4.2,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; ΔrS(490 K); M

C7H8+ + Benzene = (C7H8+ • Benzene)

By formula: C7H8+ + C6H6 = (C7H8+ • C6H6)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr51.0kJ/molMPIErnstberger, Krause, et al., 1990gas phase; M
Δr23.kJ/molPIRuhl, Bisling, et al., 1986gas phase; from vIP of perpendicular dimer; M
Δr51.9kJ/molPHPMSMeot-Ner (Mautner), Hamlet, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KPHPMSMeot-Ner (Mautner), Hamlet, et al., 1978gas phase; M

C2H7O+ + Benzene = (C2H7O+ • Benzene)

By formula: C2H7O+ + C6H6 = (C2H7O+ • C6H6)

Quantity Value Units Method Reference Comment
Δr88.kJ/molPHPMSDeakyne and Meot-Ner (Mautner), 1985gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/ADeakyne and Meot-Ner (Mautner), 1985gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
36.491.PHPMSDeakyne and Meot-Ner (Mautner), 1985gas phase; Entropy change calculated or estimated; M

(Potassium ion (1+) • Benzene • Water) + Benzene = (Potassium ion (1+) • 2Benzene • Water)

By formula: (K+ • C6H6 • H2O) + C6H6 = (K+ • 2C6H6 • H2O)

Quantity Value Units Method Reference Comment
Δr60.2kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; From thermochemical cycle,switching reaction(K+ 3H2O)C6H6, Searles and Kebarle, 1969; M
Quantity Value Units Method Reference Comment
Δr126.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; From thermochemical cycle,switching reaction(K+ 3H2O)C6H6, Searles and Kebarle, 1969; M

(Potassium ion (1+) • 2Water • Benzene) + Water = (Potassium ion (1+) • 3Water • Benzene)

By formula: (K+ • 2H2O • C6H6) + H2O = (K+ • 3H2O • C6H6)

Quantity Value Units Method Reference Comment
Δr49.4kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; From thermochemical cycle,switching reaction(K+)4H2O; Searles and Kebarle, 1969; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; From thermochemical cycle,switching reaction(K+)4H2O; Searles and Kebarle, 1969; M

(Potassium ion (1+) • Water • Benzene) + Water = (Potassium ion (1+) • 2Water • Benzene)

By formula: (K+ • H2O • C6H6) + H2O = (K+ • 2H2O • C6H6)

Quantity Value Units Method Reference Comment
Δr53.1kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; From thermochemical cycle,switching reaction(K+)3H2O; Searles and Kebarle, 1969; M
Quantity Value Units Method Reference Comment
Δr89.5J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; From thermochemical cycle,switching reaction(K+)3H2O; Searles and Kebarle, 1969; M

Iodide + Benzene = (Iodide • Benzene)

By formula: I- + C6H6 = (I- • C6H6)

Quantity Value Units Method Reference Comment
Δr26. ± 8.4kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr38. ± 4.2kJ/molTDAsCaldwell, Masucci, et al., 1989gas phase; B,M
Quantity Value Units Method Reference Comment
Δr59.4J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr8. ± 11.kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

C3H3+ + Benzene = (C3H3+ • Benzene)

By formula: C3H3+ + C6H6 = (C3H3+ • C6H6)

Quantity Value Units Method Reference Comment
Δr38.kJ/molHPMSField, Hamlet, et al., 1969gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr40.J/mol*KHPMSField, Hamlet, et al., 1969gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr30.kJ/molHPMSField, Hamlet, et al., 1969gas phase; Entropy change is questionable; M

(Potassium ion (1+) • Water • 2Benzene) + Water = (Potassium ion (1+) • 2Water • 2Benzene)

By formula: (K+ • H2O • 2C6H6) + H2O = (K+ • 2H2O • 2C6H6)

Quantity Value Units Method Reference Comment
Δr51.0kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; From thermochemical cycle(K+ 3H2O)C6H6; Searles and Kebarle, 1969; M
Quantity Value Units Method Reference Comment
Δr123.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; From thermochemical cycle(K+ 3H2O)C6H6; Searles and Kebarle, 1969; M

(C6H6+ • 2Benzene) + Benzene = (C6H6+ • 3Benzene)

By formula: (C6H6+ • 2C6H6) + C6H6 = (C6H6+ • 3C6H6)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr29.kJ/molPHPMSHiraoka, Fujimaki, et al., 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr84.J/mol*KN/AHiraoka, Fujimaki, et al., 1991gas phase; Entropy change calculated or estimated; M

(Potassium ion (1+) • Benzene • 2Water) + Benzene = (Potassium ion (1+) • 2Benzene • 2Water)

By formula: (K+ • C6H6 • 2H2O) + C6H6 = (K+ • 2C6H6 • 2H2O)

Quantity Value Units Method Reference Comment
Δr53.6kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+ 3H2O)C6H6; Searles and Kebarle, 1969; M
Quantity Value Units Method Reference Comment
Δr141.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+ 3H2O)C6H6; Searles and Kebarle, 1969; M

Chromium ion (1+) + Benzene = (Chromium ion (1+) • Benzene)

By formula: Cr+ + C6H6 = (Cr+ • C6H6)

Quantity Value Units Method Reference Comment
Δr168.kJ/molMIDLin, Chen, et al., 1997RCD
Δr164. ± 14.kJ/molRAKLin and Dunbar, 1997RCD
Δr170. ± 10.kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
170. (+9.6,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

(Potassium ion (1+) • 2Benzene) + Water = (Potassium ion (1+) • Water • 2Benzene)

By formula: (K+ • 2C6H6) + H2O = (K+ • H2O • 2C6H6)

Quantity Value Units Method Reference Comment
Δr57.3kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+ 2H2O)C6H6; Searles and Kebarle, 1969; M
Quantity Value Units Method Reference Comment
Δr109.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+ 2H2O)C6H6; Searles and Kebarle, 1969; M

(Potassium ion (1+) • Benzene) + Water = (Potassium ion (1+) • Water • Benzene)

By formula: (K+ • C6H6) + H2O = (K+ • H2O • C6H6)

Quantity Value Units Method Reference Comment
Δr75.7kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+ C6H6)C6H6; Searles and Kebarle, 1969; M
Quantity Value Units Method Reference Comment
Δr125.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+ C6H6)C6H6; Searles and Kebarle, 1969; M

(Potassium ion (1+) • 2Water) + Benzene = (Potassium ion (1+) • Benzene • 2Water)

By formula: (K+ • 2H2O) + C6H6 = (K+ • C6H6 • 2H2O)

Quantity Value Units Method Reference Comment
Δr56.1kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+)3H2O; Searles and Kebarle, 1969; M
Quantity Value Units Method Reference Comment
Δr102.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+)3H2O; Searles and Kebarle, 1969; M

(Potassium ion (1+) • 3Water) + Benzene = (Potassium ion (1+) • Benzene • 3Water)

By formula: (K+ • 3H2O) + C6H6 = (K+ • C6H6 • 3H2O)

Quantity Value Units Method Reference Comment
Δr52.7kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+)4H2O; Searles and Kebarle, 1969; M
Quantity Value Units Method Reference Comment
Δr115.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+)4H2O; Searles and Kebarle, 1969; M

(Potassium ion (1+) • Water) + Benzene = (Potassium ion (1+) • Benzene • Water)

By formula: (K+ • H2O) + C6H6 = (K+ • C6H6 • H2O)

Quantity Value Units Method Reference Comment
Δr70.3kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+)2H2O; Searles and Kebarle, 1969; M
Quantity Value Units Method Reference Comment
Δr113.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; switching reaction(K+)2H2O; Searles and Kebarle, 1969; M

(Chromium ion (1+) • Benzene) + Benzene = (Chromium ion (1+) • 2Benzene)

By formula: (Cr+ • C6H6) + C6H6 = (Cr+ • 2C6H6)

Quantity Value Units Method Reference Comment
Δr212. ± 38.kJ/molRAKLin and Dunbar, 1997RCD
Δr232. ± 18.kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
231. (+18.,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

Fluorine anion + Benzene = (Fluorine anion • Benzene)

By formula: F- + C6H6 = (F- • C6H6)

Quantity Value Units Method Reference Comment
Δr64.02kJ/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr81.6J/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr39.3kJ/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B

Manganese ion (1+) + Benzene = (Manganese ion (1+) • Benzene)

By formula: Mn+ + C6H6 = (Mn+ • C6H6)

Quantity Value Units Method Reference Comment
Δr144.kJ/molMIDLin, Chen, et al., 1997RCD
Δr133. ± 9.2kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
133. (+8.8,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

Vanadium ion (1+) + Benzene = (Vanadium ion (1+) • Benzene)

By formula: V+ + C6H6 = (V+ • C6H6)

Quantity Value Units Method Reference Comment
Δr>230.kJ/molRAKGapeev and Dunbar, 2002RCD
Δr234. ± 10.kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
233. (+9.6,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

Iron ion (1+) + Benzene = (Iron ion (1+) • Benzene)

By formula: Fe+ + C6H6 = (Fe+ • C6H6)

Quantity Value Units Method Reference Comment
Δr197.kJ/molRAKGapeev and Dunbar, 2002RCD
Δr207. ± 12.kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
208. (+9.6,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

Titanium ion (1+) + Benzene = (Titanium ion (1+) • Benzene)

By formula: Ti+ + C6H6 = (Ti+ • C6H6)

Quantity Value Units Method Reference Comment
Δr213.kJ/molRAKGapeev and Dunbar, 2002RCD
Δr259. ± 9.2kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
259. (+8.8,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

(Potassium ion (1+) • Benzene) + Benzene = (Potassium ion (1+) • 2Benzene)

By formula: (K+ • C6H6) + C6H6 = (K+ • 2C6H6)

Quantity Value Units Method Reference Comment
Δr67.4 ± 7.1kJ/molCIDTAmicangelo and Armentrout, 2000RCD
Δr78.7kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; M
Quantity Value Units Method Reference Comment
Δr142.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; M

C4H9+ + Benzene = (C4H9+ • Benzene)

By formula: C4H9+ + C6H6 = (C4H9+ • C6H6)

Quantity Value Units Method Reference Comment
Δr92.kJ/molPHPMSSen Sharma, Ikuta, et al., 1982gas phase; forms protonated t-butylbenzene; M
Quantity Value Units Method Reference Comment
Δr210.J/mol*KPHPMSSen Sharma, Ikuta, et al., 1982gas phase; forms protonated t-butylbenzene; M

(C6H6+ • Benzene) + Benzene = (C6H6+ • 2Benzene)

By formula: (C6H6+ • C6H6) + C6H6 = (C6H6+ • 2C6H6)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr33. ± 2.kJ/molPHPMSHiraoka, Fujimaki, et al., 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr82.8J/mol*KPHPMSHiraoka, Fujimaki, et al., 1991gas phase; M

Potassium ion (1+) + Benzene = (Potassium ion (1+) • Benzene)

By formula: K+ + C6H6 = (K+ • C6H6)

Quantity Value Units Method Reference Comment
Δr73. ± 4.kJ/molCIDTAmicangelo and Armentrout, 2000RCD
Δr80.3kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; M
Quantity Value Units Method Reference Comment
Δr103.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; M

C6H7N+ + Benzene = (C6H7N+ • Benzene)

By formula: C6H7N+ + C6H6 = (C6H7N+ • C6H6)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr49.8kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; M
Quantity Value Units Method Reference Comment
Δr94.6J/mol*KPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; M

C11H10+ + Benzene = (C11H10+ • Benzene)

By formula: C11H10+ + C6H6 = (C11H10+ • C6H6)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr38.kJ/molPHPMSEl-Shall and Meot-Ner (Mautner), 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KPHPMSEl-Shall and Meot-Ner (Mautner), 1987gas phase; M

C6H5Cl+ + Benzene = (C6H5Cl+ • Benzene)

By formula: C6H5Cl+ + C6H6 = (C6H5Cl+ • C6H6)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr58.6kJ/molPHPMSMeot-Ner (Mautner), Hamlet, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KPHPMSMeot-Ner (Mautner), Hamlet, et al., 1978gas phase; M

C9H12+ + Benzene = (C9H12+ • Benzene)

By formula: C9H12+ + C6H6 = (C9H12+ • C6H6)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr44.4kJ/molPHPMSMeot-Ner (Mautner), Hamlet, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KPHPMSMeot-Ner (Mautner), Hamlet, et al., 1978gas phase; M

Nitric oxide anion + Benzene = (Nitric oxide anion • Benzene)

By formula: NO- + C6H6 = (NO- • C6H6)

Quantity Value Units Method Reference Comment
Δr172.kJ/molICRReents and Freiser, 1981gas phase; switching reaction,Thermochemical ladder(NO+)C2H5OH, Entropy change calculated or estimated; Farid and McMahon, 1978; M

(Iron ion (1+) • Benzene) + Benzene = (Iron ion (1+) • 2Benzene)

By formula: (Fe+ • C6H6) + C6H6 = (Fe+ • 2C6H6)

Quantity Value Units Method Reference Comment
Δr187. ± 16.kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
187. (+16.,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

(Titanium ion (1+) • Benzene) + Benzene = (Titanium ion (1+) • 2Benzene)

By formula: (Ti+ • C6H6) + C6H6 = (Ti+ • 2C6H6)

Quantity Value Units Method Reference Comment
Δr253. ± 18.kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
253. (+18.,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

(Manganese ion (1+) • Benzene) + Benzene = (Manganese ion (1+) • 2Benzene)

By formula: (Mn+ • C6H6) + C6H6 = (Mn+ • 2C6H6)

Quantity Value Units Method Reference Comment
Δr203. ± 16.kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
203. (+16.,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

(Nickel ion (1+) • Benzene) + Benzene = (Nickel ion (1+) • 2Benzene)

By formula: (Ni+ • C6H6) + C6H6 = (Ni+ • 2C6H6)

Quantity Value Units Method Reference Comment
Δr147. ± 12.kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
147. (+12.,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

(Copper ion (1+) • Benzene) + Benzene = (Copper ion (1+) • 2Benzene)

By formula: (Cu+ • C6H6) + C6H6 = (Cu+ • 2C6H6)

Quantity Value Units Method Reference Comment
Δr155. ± 12.kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
155. (+12.,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

(CAS Reg. No. 79431-04-2 • 4294967295Benzene) + Benzene = CAS Reg. No. 79431-04-2

By formula: (CAS Reg. No. 79431-04-2 • 4294967295C6H6) + C6H6 = CAS Reg. No. 79431-04-2

Quantity Value Units Method Reference Comment
Δr90. ± 18.kJ/molTherLee and Squires, 1986gas phase; Between SiH4, tBuOH; value altered from reference due to change in acidity scale; B

Nickel ion (1+) + Benzene = (Nickel ion (1+) • Benzene)

By formula: Ni+ + C6H6 = (Ni+ • C6H6)

Quantity Value Units Method Reference Comment
Δr243. ± 11.kJ/molCIDTMeyer, Khan, et al., 1995RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
243. (+10.,-0.) CIDMeyer, Khan, et al., 1995gas phase; guided ion beam CID; M

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, References, Notes

Data compiled by: Coblentz Society, Inc.

Data compiled by: Tanya L. Myers, Russell G. Tonkyn, Ashley M. Oeck, Tyler O. Danby, John S. Loring, Matthew S. Taubman, Stephen W. Sharpe, Jerome C. Birnbaum, and Timothy J. Johnson

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Data compiled by: Pamela M. Chu, Franklin R. Guenther, George C. Rhoderick, and Walter J. Lafferty


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Vibrational and/or electronic energy levels, 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

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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 114388

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Vibrational and/or electronic energy levels

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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: Takehiko Shimanouchi

Symmetry:   D6h     Symmetry Number σ = 12


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a1g 1 CH str 3062  C  ia 3061.9 VS p liq.
a1g 2 Ring str 992  C  ia 991.6 VS p liq.
a2g 3 CH bend 1326  E  ia 1326 VW liq.
a2u 4 CH bend 673  B 673 S gas  ia
b1u 5 CH str 3068  C 3067.57 VW sln.  ia
b1u 6 Ring deform 1010  C 1010 W sln.  ia
b2g 7 CH bend 995  E  ia  ia OC197207)
b2g 8 Ring deform 703  E  ia  ia OC198, ν208)
b2u 9 Ring str 1310  C 1310 W liq.  ia
b2u 10 CH bend 1150  C 1150 W liq.  ia
e1g 11 CH bend 849  C  ia 848.9 M dp liq.
e1u 12 CH str 3063  E 3080 S liq.  ia FR1316)
e1u 12 CH str 3063  E 3030 S liq.  ia FR1316)
e1u 13 Ring str + deform 1486  B 1486 S gas  ia
e1u 14 CH bend 1038  B 1038 S gas  ia
e2g 15 CH str 3047  C  ia 3046.8 S dp liq.
e2g 16 Ring str 1596  E  ia 1606.4 S dp liq. FR218)
e2g 16 Ring str 1596  E  ia 1584.6 S dp liq. FR218)
e2g 17 CH bend 1178  C  ia 1178.0 S dp liq.
e2g 18 Ring deform 606  C  ia 605.6 S dp liq.
e2u 19 CH bend 975  C 975 W liq.  ia
e2u 20 Ring deform 410  C 417.7 S sln.  ia
e2u 20 Ring deform 410  C 403.0 S sln.  ia

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
VWVery weak
iaInactive
pPolarized
dpDepolarized
FRFermi resonance with an overtone or a combination tone indicated in the parentheses.
OCFrequency estimated from an overtone or a combination tone indicated in the parentheses.
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty
E15~30 cm-1 uncertainty

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, Notes

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

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Notes

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