Aniline

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas87.03 ± 0.88kJ/molCcbHatton, Hildenbrand, et al., 1962ALS
Δfgas82.4kJ/molCcbVriens and Hill, 1952ALS
Δfgas83.2kJ/molN/ACole and Gilbert, 1951Value computed using ΔfHliquid° value of 30.8 kj/mol from Cole and Gilbert, 1951 and ΔvapH° value of 52.4 kj/mol from Vriens and Hill, 1952.; DRB
Δfgas81. ± 3.kJ/molCcbAnderson and Gilbert, 1942%hf calculated possible error by author; ALS
Δfgas85.4kJ/molN/ALemoult, 1907Value computed using ΔfHliquid° value of 33.0 kj/mol from Lemoult, 1907 and ΔvapH° value of 52.4 kj/mol from Vriens and Hill, 1952.; DRB

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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 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
Δfliquid31.3 ± 0.84kJ/molCcbHatton, Hildenbrand, et al., 1962ALS
Δfliquid30.kJ/molCcbVriens and Hill, 1952ALS
Δfliquid30.8kJ/molCmCole and Gilbert, 1951ALS
Δfliquid33.kJ/molCcbLemoult, 1907ALS
Quantity Value Units Method Reference Comment
Δcliquid-3393.1 ± 1.0kJ/molCcbHatton, Hildenbrand, et al., 1962ALS
Δcliquid-3392.kJ/molCcbVriens and Hill, 1952ALS
Δcliquid-3392.3kJ/molCmCole and Gilbert, 1951ALS
Δcliquid-3391. ± 13.kJ/molCcbAnderson and Gilbert, 1942%hf calculated possible error by author; ALS
Δcliquid-3411.kJ/molCcbLemoult, 1907ALS
Quantity Value Units Method Reference Comment
liquid191.30J/mol*KN/AHatton, Hildenbrand, et al., 1962DH
liquid191.6J/mol*KN/AParks, Huffman, et al., 1933Extrapolation below 90 K, 45.27 J/mol*K.; DH
Quantity Value Units Method Reference Comment
Δcsolid-3391.kJ/molCcbWillis, 1947ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
194.1298.Lesbats and Lichanot, 1987T = 200 to 300 K.; DH
191.01298.15Nichols and Wads, 1975DH
193.7298.Deshpande and Bhatagadde, 1971T = 298 to 318 K.; DH
192.05298.15Hatton, Hildenbrand, et al., 1962T = 15 to 300 K. Cp(liq, cal/mol·K) = 33.71 + 0.0409T (15 to 300 K).; DH
192.0293.Crtzen, Jost, et al., 1957DH
197.5323.Hough, Mason, et al., 1950T = 323 to 453 K.; DH
109.20267.3Ziegler and Andrews, 1942T = 40.84 K.; DH
183.7288.Radulescu and Jula, 1934DH
178.8298.15Ferguson and Miller, 1933T = 293 to 323 K. Data calculated from equation.; DH
190.92298.2Parks, Huffman, et al., 1933T = 94 to 298 K. Value is unsmoothed experimental datum.; DH
193.38298.2Lang, 1928T = 5 to 60°C.; DH
192.5298.von Reis, 1881T = 290 to 465 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil457. ± 2.KAVGN/AAverage of 46 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus267.0 ± 0.3KAVGN/AAverage of 19 out of 24 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple267.13KN/AHatton, Hildenbrand, et al., 1962, 2Uncertainty assigned by TRC = 0.02 K; from plot of 1/f vs T; TRC
Ttriple267.300KN/AZiegler and Andrews, 1942, 2Uncertainty assigned by TRC = 0.2 K; TRC
Ttriple266.9KN/AParks, Huffman, et al., 1933, 2Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Tc698.8 ± 0.4KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Pc53.1 ± 0.2barAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
ρc3.48mol/lN/ALagutkin and Kuropatkin, 1981Uncertainty assigned by TRC = 0.05 mol/l; calculated from corr. Zc, and lit. values of Tc and Pc; TRC
Quantity Value Units Method Reference Comment
Zc0.26noneN/ALagutkin and Kuropatkin, 1981Uncertainty assigned by TRC = 0.003 none; Correlation based on literature values of 2nd vireal coeff.; TRC
Quantity Value Units Method Reference Comment
Δvap54. ± 4.kJ/molAVGN/AAverage of 7 values; Individual data points

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
51.0 ± 0.2360.EBSteele, Chirico, et al., 2002Based on data from 350. to 499. K.; AC
48.0 ± 0.2400.EBSteele, Chirico, et al., 2002Based on data from 350. to 499. K.; AC
45.2 ± 0.2440.EBSteele, Chirico, et al., 2002Based on data from 350. to 499. K.; AC
42.2 ± 0.4480.EBSteele, Chirico, et al., 2002Based on data from 350. to 499. K.; AC
45.8444.N/ALee, Chen, et al., 1992Based on data from 421. to 591. K.; AC
52.2288.AStephenson and Malanowski, 1987Based on data from 273. to 338. K.; AC
53.6319.AStephenson and Malanowski, 1987Based on data from 304. to 485. K.; AC
48.6388.AStephenson and Malanowski, 1987Based on data from 373. to 458. K.; AC
46.3470.AStephenson and Malanowski, 1987Based on data from 455. to 523. K.; AC
42.44457.2N/AMajer and Svoboda, 1985 
51.4350.N/AMaher and Smith, 1979Based on data from 313. to 386. K.; AC
52.9293.N/ARavdel and Danilov, 1968Based on data from 288. to 298. K.; AC
54.0319.N/AHatton, Hildenbrand, et al., 1962Based on data from 304. to 457. K.; AC
53.0333.CHatton, Hildenbrand, et al., 1962AC

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 333.80.660.3744699.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
304. to 457.4.345411661.858-74.048Hatton, Hildenbrand, et al., 1962Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
10.539267.13Hatton, Hildenbrand, et al., 1962DH
10.54267.1Ahmed and Eades, 1972See also Domalski and Hearing, 1996.; AC
10.92267.3Ziegler and Andrews, 1942AC
10.556266.8Parks, Huffman, et al., 1933DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
39.57266.8Parks, Huffman, et al., 1933DH

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, Gas phase ion energetics data, Ion clustering 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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Bromine anion + Aniline = (Bromine anion • Aniline)

By formula: Br- + C6H7N = (Br- • C6H7N)

Quantity Value Units Method Reference Comment
Δr61.1 ± 7.5kJ/molIMREPaul and Kebarle, 1991gas phase; ΔGaff measured at 423 K, ΔSaff taken as that of PhNO2..Br-; B,M
Quantity Value Units Method Reference Comment
Δr84.J/mol*KN/APaul and Kebarle, 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr26. ± 4.2kJ/molIMREPaul and Kebarle, 1991gas phase; ΔGaff measured at 423 K, ΔSaff taken as that of PhNO2..Br-; B

Free energy of reaction

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

C6H6N- + Hydrogen cation = Aniline

By formula: C6H6N- + H+ = C6H7N

Quantity Value Units Method Reference Comment
Δr1540.5 ± 1.3kJ/molD-EAWren, Vogelhuber, et al., 2012gas phase; B
Δr1533. ± 8.8kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1510.0 ± 2.8kJ/molH-TSWren, Vogelhuber, et al., 2012gas phase; B
Δr1502. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

C9H13N+ + Aniline = (C9H13N+ • Aniline)

By formula: C9H13N+ + C6H7N = (C9H13N+ • C6H7N)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr55.6kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr(110.)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
25.283.PHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

C7H9N+ + Aniline = (C7H9N+ • Aniline)

By formula: C7H9N+ + C6H7N = (C7H9N+ • C6H7N)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr69.9kJ/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
Quantity Value Units Method Reference Comment
Δr38.kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

C8H11N+ + Aniline = (C8H11N+ • Aniline)

By formula: C8H11N+ + C6H7N = (C8H11N+ • C6H7N)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr59.4kJ/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
Δr27.kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

Fluorine anion + Aniline = (Fluorine anion • Aniline)

By formula: F- + C6H7N = (F- • C6H7N)

Quantity Value Units Method Reference Comment
Δr131. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr97.9 ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M

C6H7N+ + Aniline = (C6H7N+ • Aniline)

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

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr73.2kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; M
Quantity Value Units Method Reference Comment
Δr103.J/mol*KPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; M

Aniline + Phthalic anhydride = Benzoic acid, 2-[(phenylamino)carbonyl]-

By formula: C6H7N + C8H4O3 = C14H11NO3

Quantity Value Units Method Reference Comment
Δr-53.5kJ/molKinKalnin'sh, 1988liquid phase; solvent: Acetonitrile; ALS
Δr-54.4kJ/molKinPravednikov, Kardash, et al., 1973solid phase; solvent: Tetrahydrofuran; ALS

Aniline, N-methyl- = 0.5Benzenamine, N,N-dimethyl- + 0.5Aniline

By formula: C7H9N = 0.5C8H11N + 0.5C6H7N

Quantity Value Units Method Reference Comment
Δr-3.kJ/molEqkMatvienko, Kachurin, et al., 1982liquid phase; Methansulfonic acid; ALS
Δr-4.kJ/molKinKachurin, Matvienko, et al., 1979liquid phase; ALS

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

By formula: K+ + C6H7N = (K+ • C6H7N)

Quantity Value Units Method Reference Comment
Δr95.4kJ/molHPMSDavidson and Kebarle, 1976gas phase; M
Quantity Value Units Method Reference Comment
Δr99.2J/mol*KHPMSDavidson and Kebarle, 1976gas phase; M

Benzoyl iodide + Aniline = Hydrogen iodide + Benzamide, N-phenyl-

By formula: C7H5IO + C6H7N = HI + C13H11NO

Quantity Value Units Method Reference Comment
Δr-166. ± 2.kJ/molCacKiselev, Khuzyasheva, et al., 1979liquid phase; solvent: Benzene; ALS

Benzoyl bromide + Aniline = Hydrogen bromide + Benzamide, N-phenyl-

By formula: C7H5BrO + C6H7N = HBr + C13H11NO

Quantity Value Units Method Reference Comment
Δr-162. ± 0.8kJ/molCacKiselev, Khuzyasheva, et al., 1979liquid phase; solvent: Benzene; ALS

Aniline + Benzoyl chloride = Hydrogen chloride + Benzamide, N-phenyl-

By formula: C6H7N + C7H5ClO = HCl + C13H11NO

Quantity Value Units Method Reference Comment
Δr-149. ± 0.8kJ/molCacKiselev, Khuzyasheva, et al., 1979liquid phase; solvent: Benzene; ALS

Acetamide, N-phenyl- + Water = Aniline + Acetic acid

By formula: C8H9NO + H2O = C6H7N + C2H4O2

Quantity Value Units Method Reference Comment
Δr-42.0 ± 0.3kJ/molCmWadso, 1965solid phase; Heat of hydrolysis; ALS

Benzene, 1-isocyanato-4-nitro- + Aniline = N-(4-Nitrophenyl)-N'-phenyl-urea

By formula: C7H4N2O3 + C6H7N = C13H11N3O3

Quantity Value Units Method Reference Comment
Δr-83.8 ± 0.3kJ/molCmKiselev, Malkov, et al., 1989liquid phase; solvent: Dioxane; #TDE; ALS

Cyclohexane, isocyanato- + Aniline = Urea, N-cyclohexyl-N'-phenyl-

By formula: C7H11NO + C6H7N = C13H18N2O

Quantity Value Units Method Reference Comment
Δr-98.4 ± 1.1kJ/molCmKiselev, Malkov, et al., 1989liquid phase; solvent: Dioxane; ALS

2-Propanol, 1-phenoxy-3-(phenylamino)- = Oxirane, (phenoxymethyl)- + Aniline

By formula: C15H17NO2 = C9H10O2 + C6H7N

Quantity Value Units Method Reference Comment
Δr113. ± 2.kJ/molCmKuznetsova, Rakova, et al., 1975solid phase; solvent: DMF; ALS

Benzene, isocyanato- + Aniline = Urea, N,N-diphenyl-

By formula: C7H5NO + C6H7N = C13H12N2O

Quantity Value Units Method Reference Comment
Δr-82.5 ± 2.0kJ/molCmKiselev, Malkov, et al., 1989liquid phase; solvent: Dioxane; ALS

Urea, N,N'-diphenyl- = Benzene, isocyanato- + Aniline

By formula: C13H12N2O = C7H5NO + C6H7N

Quantity Value Units Method Reference Comment
Δr181.7 ± 4.2kJ/molEqkChimishkyan, Svetlova, et al., 1984solid phase; Dissociation; ALS

Iodide + Aniline = (Iodide • Aniline)

By formula: I- + C6H7N = (I- • C6H7N)

Quantity Value Units Method Reference Comment
Δr54.0 ± 4.2kJ/molTDAsCaldwell, Masucci, et al., 1989gas phase; B,M

1-[1,2,4]Triazol-1-ylethanone + Aniline = Acetamide, N-phenyl- + 1H-1,2,4-Triazole

By formula: C4H5N3O + C6H7N = C8H9NO + C2H3N3

Quantity Value Units Method Reference Comment
Δr-72.3 ± 0.3kJ/molCmWadso, 1962solid phase; ALS

1-Acetyl-1H-tetrazole + Aniline = Acetamide, N-phenyl- + 1H-Tetrazole

By formula: C3H4N4O + C6H7N = C8H9NO + CH2N4

Quantity Value Units Method Reference Comment
Δr-84.6 ± 0.3kJ/molCmWadso, 1962solid phase; ALS

Acetic anhydride + Aniline = Acetamide, N-phenyl- + Acetic acid

By formula: C4H6O3 + C6H7N = C8H9NO + C2H4O2

Quantity Value Units Method Reference Comment
Δr-100.9 ± 0.3kJ/molCmWadso, 1962liquid phase; ALS

Benzene, isocyanato- + Aniline = Urea, N,N'-diphenyl-

By formula: C7H5NO + C6H7N = C13H12N2O

Quantity Value Units Method Reference Comment
Δr-89.1 ± 5.1kJ/molCmPannone and Macosko, 1987liquid phase; ALS

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Ion clustering 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 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
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 C6H7N+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)7.720 ± 0.002eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)882.5kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity850.6kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
7.736 ± 0.008PEMeek, Sekreta, et al., 1985LBLHLM
7.720 ± 0.0002PIHager, Smith, et al., 1985LBLHLM
7.720 ± 0.002SSmith, Hager, et al., 1984LBLHLM
~7.48PEKlasinc, Kovac, et al., 1983LBLHLM
8.0PEKimura, Katsumata, et al., 1981LLK
8.27 ± 0.05EIZaretskii, Oren, et al., 1976LLK
7.80PEBehan, Johnstone, et al., 1976LLK
8.35EIBaldwin, Loudon, et al., 1976LLK
7.71 ± 0.01PEDebies and Rabalais, 1974LLK
7.65 ± 0.02PEMaier and Turner, 1973LLK
7.6 ± 0.1EIGilbert, Leach, et al., 1973LLK
7.71PEDebies and Rabalais, 1973LLK
7.66PECowling and Johnstone, 1973LLK
7.63EICooks, Bertrand, et al., 1973LLK
7.89 ± 0.03EIJohnstone and Mellon, 1972LLK
8.1 ± 0.1EIGross, 1972LLK
7.70 ± 0.01PIPotapov and Iskakov, 1971LLK
7.89EIJohnstone, Mellon, et al., 1971LLK
7.61 ± 0.05SIZandberg and Rasulev, 1969RDSH
7.68PEEland, 1969RDSH
7.67 ± 0.03PIAkopyan and Vilesov, 1964RDSH
7.7PITerenin, 1961RDSH
7.70 ± 0.02PIWatanabe and Mottl, 1957RDSH
7.69 ± 0.02PIVilesov and Terenin, 1957RDSH
8.05PEFurin, Sultanov, et al., 1987Vertical value; LBLHLM
8.02PEKlasinc, Kovac, et al., 1983Vertical value; LBLHLM
8.04PEMeeks, Wahlborg, et al., 1981Vertical value; LLK
8.05PEPalmer, Moyes, et al., 1979Vertical value; LLK
8.03PEKobayashi, 1978Vertical value; LLK
8.05PEKobayashi and Nagakura, 1974Vertical value; LLK
8.10PEHaink, Adams, et al., 1974Vertical value; LLK
8.02PEDebies and Rabalais, 1973Vertical value; LLK
8.05PEKobayashi and Nagakura, 1972Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C4H4N+12.3 ± 0.1?PIAkopyan and Vilesov, 1964RDSH
C5H5+15.2 ± 0.2CHN+HEITajima and Tsuchiya, 1973LLK
C5H5+15.24CHN+HEIOccolowitz and White, 1968RDSH
C5H6+11.3 ± 0.1CHNTRPILifshitz and Malinovich, 1984LBLHLM
C5H6+11.3 ± 0.2CHNEILifshitz, Gotchiguian, et al., 1983LBLHLM
C5H6+12.77 ± 0.05CHNEIZaretskii, Oren, et al., 1976LLK
C5H6+12.13 ± 0.06CHNEIBentley, Johnstone, et al., 1973LLK
C5H6+12.0 ± 0.1?EIGross, 1972LLK
C5H6+12.3 ± 0.1CHNPIAkopyan and Vilesov, 1964RDSH

De-protonation reactions

C6H6N- + Hydrogen cation = Aniline

By formula: C6H6N- + H+ = C6H7N

Quantity Value Units Method Reference Comment
Δr1540.5 ± 1.3kJ/molD-EAWren, Vogelhuber, et al., 2012gas phase; B
Δr1533. ± 8.8kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1510.0 ± 2.8kJ/molH-TSWren, Vogelhuber, et al., 2012gas phase; B
Δr1502. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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 as indicated in comments:
B - John E. Bartmess
M - 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

Bromine anion + Aniline = (Bromine anion • Aniline)

By formula: Br- + C6H7N = (Br- • C6H7N)

Quantity Value Units Method Reference Comment
Δr61.1 ± 7.5kJ/molIMREPaul and Kebarle, 1991gas phase; ΔGaff measured at 423 K, ΔSaff taken as that of PhNO2..Br-; B,M
Quantity Value Units Method Reference Comment
Δr84.J/mol*KN/APaul and Kebarle, 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr26. ± 4.2kJ/molIMREPaul and Kebarle, 1991gas phase; ΔGaff measured at 423 K, ΔSaff taken as that of PhNO2..Br-; B

Free energy of reaction

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

C6H7N+ + Aniline = (C6H7N+ • Aniline)

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

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr73.2kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; M
Quantity Value Units Method Reference Comment
Δr103.J/mol*KPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; M

C7H9N+ + Aniline = (C7H9N+ • Aniline)

By formula: C7H9N+ + C6H7N = (C7H9N+ • C6H7N)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr69.9kJ/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
Quantity Value Units Method Reference Comment
Δr38.kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

C8H11N+ + Aniline = (C8H11N+ • Aniline)

By formula: C8H11N+ + C6H7N = (C8H11N+ • C6H7N)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr59.4kJ/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
Δr27.kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

C9H13N+ + Aniline = (C9H13N+ • Aniline)

By formula: C9H13N+ + C6H7N = (C9H13N+ • C6H7N)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr55.6kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr(110.)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
25.283.PHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

Fluorine anion + Aniline = (Fluorine anion • Aniline)

By formula: F- + C6H7N = (F- • C6H7N)

Quantity Value Units Method Reference Comment
Δr131. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr97.9 ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M

Iodide + Aniline = (Iodide • Aniline)

By formula: I- + C6H7N = (I- • C6H7N)

Quantity Value Units Method Reference Comment
Δr54.0 ± 4.2kJ/molTDAsCaldwell, Masucci, et al., 1989gas phase; B,M

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

By formula: K+ + C6H7N = (K+ • C6H7N)

Quantity Value Units Method Reference Comment
Δr95.4kJ/molHPMSDavidson and Kebarle, 1976gas phase; M
Quantity Value Units Method Reference Comment
Δr99.2J/mol*KHPMSDavidson and Kebarle, 1976gas phase; M

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), References, Notes

Data compiled by: Coblentz Society, Inc.

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


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, 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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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, 1998.
NIST MS number 290555

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, 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.

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Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), References