Benzene
- Formula: C6H6
- Molecular weight: 78.1118
- IUPAC Standard InChIKey: UHOVQNZJYSORNB-UHFFFAOYSA-N
- CAS Registry Number: 71-43-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Isotopologues:
- Other names: [6]Annulene; Benzol; Benzole; Coal naphtha; Cyclohexatriene; Phenyl hydride; Pyrobenzol; Pyrobenzole; Benzolene; Bicarburet of hydrogen; Carbon oil; Mineral naphtha; Motor benzol; Benzeen; Benzen; Benzin; Benzine; Benzolo; Fenzen; NCI-C55276; Phene; Rcra waste number U019; UN 1114; NSC 67315; 1,3,5-Cyclohexatriene
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Gas phase thermochemistry data
- Condensed phase thermochemistry data
- Phase change data
- Reaction thermochemistry data: reactions 51 to 99
- Henry's Law data
- Gas phase ion energetics data
- Ion clustering data
- IR Spectrum
- Mass spectrum (electron ionization)
- UV/Visible spectrum
- Gas Chromatography
- Fluid Properties
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
- NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
- NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Reaction thermochemistry data
Go To: Top, 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
By formula: Cl- + C6H6 = (Cl- • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.00 ± 0.46 | kcal/mol | N/A | Tschurl, Ueberfluss, et al., 2007 | gas phase; B |
ΔrH° | 9.4 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |
ΔrH° | 9.90 | kcal/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
ΔrH° | 8.7 | kcal/mol | PHPMS | Paul and Kebarle, 1991 | gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M |
ΔrH° | 10.4 | kcal/mol | PHPMS | Sunner, Nishizawa, et al., 1981 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.9 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |
ΔrS° | 17. | cal/mol*K | N/A | Paul and Kebarle, 1991 | gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M |
ΔrS° | 17.1 | cal/mol*K | N/A | Larson and McMahon, 1984, 2 | gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M |
ΔrS° | 22. | cal/mol*K | N/A | Sunner, Nishizawa, et al., 1981 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.0 ± 2.6 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |
ΔrG° | 3.8 ± 1.6 | kcal/mol | IMRE | Chowdhury and Kebarle, 1986 | gas phase; B |
ΔrG° | 4.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
ΔrG° | 3.80 | kcal/mol | IMRE | French, Ikuta, et al., 1982 | gas phase; B |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
3.6 | 300. | PHPMS | Paul and Kebarle, 1991 | gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M |
3.8 | 300. | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
3.8 | 300. | PHPMS | Sunner, Nishizawa, et al., 1981 | gas phase; Entropy change calculated or estimated; M |
C6H5- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 401.22 ± 0.50 | kcal/mol | G+TS | Davico, Bierbaum, et al., 1995 | gas 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 |
ΔrH° | 401.16 ± 0.21 | kcal/mol | D-EA | Gunion, Gilles, et al., 1992 | gas phase; B |
ΔrH° | 400.7 ± 2.5 | kcal/mol | TDEq | Meot-ner and Sieck, 1986 | gas phase; B |
ΔrH° | 401. ± 10. | kcal/mol | CIDT | Graul and Squires, 1990 | gas phase; B |
ΔrH° | 398.0 ± 5.6 | kcal/mol | G+TS | Bohme and Young, 1971 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 392.40 ± 0.40 | kcal/mol | IMRE | Davico, Bierbaum, et al., 1995 | gas 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 |
ΔrG° | 390.9 ± 2.0 | kcal/mol | TDEq | Meot-ner and Sieck, 1986 | gas phase; B |
ΔrG° | 390.1 ± 6.5 | kcal/mol | IMRB | Bartmess and McIver Jr., 1979 | gas phase; B |
ΔrG° | 389.2 ± 5.5 | kcal/mol | IMRB | Bohme and Young, 1971 | gas phase; B |
By formula: C6H6+ + C6H6 = (C6H6+ • C6H6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14. ± 8. | kcal/mol | AVG | N/A | Average of 7 out of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 28.8 | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1991 | gas phase; M |
ΔrS° | 27. | cal/mol*K | PHPMS | Meot-Ner (Mautner), Hamlet, et al., 1978 | gas phase; M |
ΔrS° | 23. | cal/mol*K | HPMS | Field, Hamlet, et al., 1969 | gas phase; M |
By formula: Li+ + C6H6 = (Li+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 38.5 ± 3.2 | kcal/mol | CIDT | Amicangelo and Armentrout, 2000 | RCD |
ΔrH° | 37.9 | kcal/mol | ICR | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M |
ΔrH° | 36.5 | kcal/mol | ICR | Staley and Beauchamp, 1975 | gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.5 | cal/mol*K | N/A | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 29.7 | kcal/mol | ICR | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M |
By formula: Br- + C6H6 = (Br- • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.0 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.0 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |
ΔrS° | 17. | cal/mol*K | N/A | Paul and Kebarle, 1991 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.5 ± 1.0 | kcal/mol | IMRE | Paul and Kebarle, 1991 | gas phase; B |
ΔrG° | 3.9 ± 2.6 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
0.0 | 423. | PHPMS | Paul and Kebarle, 1991 | gas phase; Entropy change calculated or estimated; M |
By formula: (Na+ • C6H6) + C6H6 = (Na+ • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20. ± 1. | kcal/mol | AVG | N/A | Average of 7 values; Individual data points |
By formula: Na+ + C6H6 = (Na+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 22.8 ± 1.4 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 21.1 ± 1.2 | kcal/mol | CIDT | Amicangelo and Armentrout, 2000 | RCD |
ΔrH° | 21.1 ± 1.1 | kcal/mol | CIDT | Armentrout and Rodgers, 2000 | RCD |
ΔrH° | 28.0 | kcal/mol | HPMS | Guo, Purnell, et al., 1990 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 31.2 | cal/mol*K | HPMS | Guo, Purnell, et al., 1990 | gas phase; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
15.7 | 298. | IMRE | McMahon and Ohanessian, 2000 | Anchor alanine=39.89; RCD |
By formula: C9H13N+ + C6H6 = (C9H13N+ • C6H6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.2 | kcal/mol | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26. | cal/mol*K | N/A | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
2.6 | 331. | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
By formula: C7H9N+ + C6H6 = (C7H9N+ • C6H6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.3 | kcal/mol | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26. | cal/mol*K | N/A | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.6 | kcal/mol | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
By formula: C8H11N+ + C6H6 = (C8H11N+ • C6H6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.0 | kcal/mol | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26. | cal/mol*K | N/A | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.2 | kcal/mol | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
By formula: C10H10Fe+ + C6H6 = (C10H10Fe+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8. | kcal/mol | PHPMS | Meot-Ner (Mautner), 1989 | gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | N/A | Meot-Ner (Mautner), 1989 | gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
3.0 | 252. | PHPMS | Meot-Ner (Mautner), 1989 | gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M |
By formula: (Co+ • C6H6) + C6H6 = (Co+ • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 39.9 ± 3.3 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.8 | cal/mol*K | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; ΔrS(490 K); M |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
39.9 (+3.2,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M | |
27.0 (+1.0,-0.) | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; ΔrS(490 K); M |
By formula: C7H8+ + C6H6 = (C7H8+ • C6H6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.2 | kcal/mol | MPI | Ernstberger, Krause, et al., 1990 | gas phase; M |
ΔrH° | 5.5 | kcal/mol | PI | Ruhl, Bisling, et al., 1986 | gas phase; from vIP of perpendicular dimer; M |
ΔrH° | 12.4 | kcal/mol | PHPMS | Meot-Ner (Mautner), Hamlet, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26. | cal/mol*K | PHPMS | Meot-Ner (Mautner), Hamlet, et al., 1978 | gas phase; M |
By formula: C2H7O+ + C6H6 = (C2H7O+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21. | kcal/mol | PHPMS | Deakyne and Meot-Ner (Mautner), 1985 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | N/A | Deakyne and Meot-Ner (Mautner), 1985 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
8.7 | 491. | PHPMS | Deakyne and Meot-Ner (Mautner), 1985 | gas phase; Entropy change calculated or estimated; M |
By formula: (K+ • C6H6 • H2O) + C6H6 = (K+ • 2C6H6 • H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.4 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; From thermochemical cycle,switching reaction(K+ 3H2O)C6H6, Searles and Kebarle, 1969; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 30.1 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; From thermochemical cycle,switching reaction(K+ 3H2O)C6H6, Searles and Kebarle, 1969; M |
By formula: (K+ • 2H2O • C6H6) + H2O = (K+ • 3H2O • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.8 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; From thermochemical cycle,switching reaction(K+)4H2O; Searles and Kebarle, 1969; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.3 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; From thermochemical cycle,switching reaction(K+)4H2O; Searles and Kebarle, 1969; M |
By formula: (K+ • H2O • C6H6) + H2O = (K+ • 2H2O • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.7 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; From thermochemical cycle,switching reaction(K+)3H2O; Searles and Kebarle, 1969; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.4 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; From thermochemical cycle,switching reaction(K+)3H2O; Searles and Kebarle, 1969; M |
By formula: I- + C6H6 = (I- • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.1 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |
ΔrH° | 9.1 ± 1.0 | kcal/mol | TDAs | Caldwell, Masucci, et al., 1989 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 14.2 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.8 ± 2.6 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |
By formula: C3H3+ + C6H6 = (C3H3+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.0 | kcal/mol | HPMS | Field, Hamlet, et al., 1969 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 9. | cal/mol*K | HPMS | Field, Hamlet, et al., 1969 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 6. | kcal/mol | HPMS | Field, Hamlet, et al., 1969 | gas phase; Entropy change is questionable; M |
By formula: (K+ • H2O • 2C6H6) + H2O = (K+ • 2H2O • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.2 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; From thermochemical cycle(K+ 3H2O)C6H6; Searles and Kebarle, 1969; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.4 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; From thermochemical cycle(K+ 3H2O)C6H6; Searles and Kebarle, 1969; M |
By formula: (C6H6+ • 2C6H6) + C6H6 = (C6H6+ • 3C6H6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.0 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1991 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | N/A | Hiraoka, Fujimaki, et al., 1991 | gas phase; Entropy change calculated or estimated; M |
By formula: (K+ • C6H6 • 2H2O) + C6H6 = (K+ • 2C6H6 • 2H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.8 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+ 3H2O)C6H6; Searles and Kebarle, 1969; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 33.7 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+ 3H2O)C6H6; Searles and Kebarle, 1969; M |
By formula: Cr+ + C6H6 = (Cr+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 40.2 | kcal/mol | MID | Lin, Chen, et al., 1997 | RCD |
ΔrH° | 39.2 ± 3.3 | kcal/mol | RAK | Lin and Dunbar, 1997 | RCD |
ΔrH° | 40.6 ± 2.4 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
40.6 (+2.3,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
By formula: (K+ • 2C6H6) + H2O = (K+ • H2O • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.7 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+ 2H2O)C6H6; Searles and Kebarle, 1969; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.1 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+ 2H2O)C6H6; Searles and Kebarle, 1969; M |
By formula: (K+ • C6H6) + H2O = (K+ • H2O • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18.1 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+ C6H6)C6H6; Searles and Kebarle, 1969; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.9 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+ C6H6)C6H6; Searles and Kebarle, 1969; M |
By formula: (K+ • 2H2O) + C6H6 = (K+ • C6H6 • 2H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.4 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+)3H2O; Searles and Kebarle, 1969; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.3 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+)3H2O; Searles and Kebarle, 1969; M |
By formula: (K+ • 3H2O) + C6H6 = (K+ • C6H6 • 3H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.6 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+)4H2O; Searles and Kebarle, 1969; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.6 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+)4H2O; Searles and Kebarle, 1969; M |
By formula: (K+ • H2O) + C6H6 = (K+ • C6H6 • H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.8 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+)2H2O; Searles and Kebarle, 1969; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.1 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; switching reaction(K+)2H2O; Searles and Kebarle, 1969; M |
By formula: (Cr+ • C6H6) + C6H6 = (Cr+ • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 50.7 ± 9.1 | kcal/mol | RAK | Lin and Dunbar, 1997 | RCD |
ΔrH° | 55.4 ± 4.3 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
55.3 (+4.4,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
By formula: F- + C6H6 = (F- • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.30 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.5 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.40 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: Mn+ + C6H6 = (Mn+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 34.4 | kcal/mol | MID | Lin, Chen, et al., 1997 | RCD |
ΔrH° | 31.8 ± 2.2 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
31.8 (+2.1,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
By formula: V+ + C6H6 = (V+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >55. | kcal/mol | RAK | Gapeev and Dunbar, 2002 | RCD |
ΔrH° | 55.9 ± 2.4 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
55.8 (+2.3,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
By formula: Fe+ + C6H6 = (Fe+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 47.1 | kcal/mol | RAK | Gapeev and Dunbar, 2002 | RCD |
ΔrH° | 49.5 ± 2.9 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
49.6 (+2.3,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
By formula: Ti+ + C6H6 = (Ti+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 50.9 | kcal/mol | RAK | Gapeev and Dunbar, 2002 | RCD |
ΔrH° | 61.9 ± 2.2 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
61.8 (+2.1,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
By formula: (K+ • C6H6) + C6H6 = (K+ • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.1 ± 1.7 | kcal/mol | CIDT | Amicangelo and Armentrout, 2000 | RCD |
ΔrH° | 18.8 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 33.9 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; M |
By formula: C4H9+ + C6H6 = (C4H9+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 22. | kcal/mol | PHPMS | Sen Sharma, Ikuta, et al., 1982 | gas phase; forms protonated t-butylbenzene; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 49. | cal/mol*K | PHPMS | Sen Sharma, Ikuta, et al., 1982 | gas phase; forms protonated t-butylbenzene; M |
By formula: (C6H6+ • C6H6) + C6H6 = (C6H6+ • 2C6H6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.8 ± 0.5 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1991 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.8 | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1991 | gas phase; M |
By formula: K+ + C6H6 = (K+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.5 ± 0.9 | kcal/mol | CIDT | Amicangelo and Armentrout, 2000 | RCD |
ΔrH° | 19.2 | kcal/mol | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.6 | cal/mol*K | HPMS | Sunner, Nishizawa, et al., 1981 | gas phase; M |
By formula: C6H7N+ + C6H6 = (C6H7N+ • C6H6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.9 | kcal/mol | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.6 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; M |
By formula: C11H10+ + C6H6 = (C11H10+ • C6H6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.0 | kcal/mol | PHPMS | El-Shall and Meot-Ner (Mautner), 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.0 | cal/mol*K | PHPMS | El-Shall and Meot-Ner (Mautner), 1987 | gas phase; M |
By formula: C6H5Cl+ + C6H6 = (C6H5Cl+ • C6H6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.0 | kcal/mol | PHPMS | Meot-Ner (Mautner), Hamlet, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26. | cal/mol*K | PHPMS | Meot-Ner (Mautner), Hamlet, et al., 1978 | gas phase; M |
By formula: C9H12+ + C6H6 = (C9H12+ • C6H6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.6 | kcal/mol | PHPMS | Meot-Ner (Mautner), Hamlet, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26. | cal/mol*K | PHPMS | Meot-Ner (Mautner), Hamlet, et al., 1978 | gas phase; M |
By formula: NO- + C6H6 = (NO- • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 41.1 | kcal/mol | ICR | Reents and Freiser, 1981 | gas phase; switching reaction,Thermochemical ladder(NO+)C2H5OH, Entropy change calculated or estimated; Farid and McMahon, 1978; M |
By formula: (Fe+ • C6H6) + C6H6 = (Fe+ • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 44.7 ± 3.8 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
44.7 (+3.9,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
By formula: (Ti+ • C6H6) + C6H6 = (Ti+ • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 60.5 ± 4.3 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
60.4 (+4.4,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
By formula: (Mn+ • C6H6) + C6H6 = (Mn+ • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 48.5 ± 3.8 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
48.4 (+3.9,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
By formula: (Ni+ • C6H6) + C6H6 = (Ni+ • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 35.1 ± 2.9 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
35.1 (+2.8,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
By formula: (Cu+ • C6H6) + C6H6 = (Cu+ • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 37.0 ± 2.9 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
37.1 (+2.8,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
(CAS Reg. No. 79431-04-2 • 4294967295) + = 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 |
---|---|---|---|---|---|
ΔrH° | 21.5 ± 4.2 | kcal/mol | Ther | Lee and Squires, 1986 | gas phase; Between SiH4, tBuOH; value altered from reference due to change in acidity scale; B |
By formula: Ni+ + C6H6 = (Ni+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 58.1 ± 2.6 | kcal/mol | CIDT | Meyer, Khan, et al., 1995 | RCD |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
58.1 (+2.5,-0.) | CID | Meyer, Khan, et al., 1995 | gas phase; guided ion beam CID; M |
Vibrational and/or electronic energy levels
Go To: Top, Reaction thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: 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 | OC(ν19+ν7,ν20+ν7) | |||
b2g | 8 | Ring deform | 703 | E | ia | ia | OC(ν19+ν8, ν20+ν8) | |||
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 | FR(ν13+ν16) | ||
e1u | 12 | CH str | 3063 | E | 3030 S | liq. | ia | FR(ν13+ν16) | ||
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. | FR(ν2+ν18) | ||
e2g | 16 | Ring str | 1596 | E | ia | 1584.6 S dp | liq. | FR(ν2+ν18) | ||
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
VS | Very strong |
S | Strong |
M | Medium |
W | Weak |
VW | Very weak |
ia | Inactive |
p | Polarized |
dp | Depolarized |
FR | Fermi resonance with an overtone or a combination tone indicated in the parentheses. |
OC | Frequency estimated from an overtone or a combination tone indicated in the parentheses. |
B | 1~3 cm-1 uncertainty |
C | 3~6 cm-1 uncertainty |
E | 15~30 cm-1 uncertainty |
References
Go To: Top, Reaction thermochemistry data, 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.
Tschurl, Ueberfluss, et al., 2007
Tschurl, M.; Ueberfluss, C.; Boesl, U.,
Anion photoelectron, photodetachment, and infrared dissociation spectra of Cl-center dot C6H6,
Chem. Phys. Lett., 2007, 439, 1-3, 23-28, https://doi.org/10.1016/j.cplett.2007.03.059
. [all data]
Hiraoka, Mizuse, et al., 1988
Hiraoka, K.; Mizuse, S.; Yamabe, S.,
Determination of the Stabilities and Structures of X-(C6H6) Clusters (X = Cl, Br, and I),
Chem. Phys. Lett., 1988, 147, 2-3, 174, https://doi.org/10.1016/0009-2614(88)85078-4
. [all data]
Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B.,
Hydrogen bonding in gas phase anions. An experimental investigation of the interaction between chloride ion and bronsted acids from ICR chloride exchange equilibria,
J. Am. Chem. Soc., 1984, 106, 517. [all data]
Paul and Kebarle, 1991
Paul, G.J.C.; Kebarle, P.,
Stabilities of Complexes of Br- with Substituted Benzenes (SB) Based on Determinations of the Gas-Phase Equilibria Br- + SB = (BrSB)-,
J. Am. Chem. Soc., 1991, 113, 4, 1148, https://doi.org/10.1021/ja00004a014
. [all data]
Sunner, Nishizawa, et al., 1981
Sunner, J.; Nishizawa, K.; Kebarle, P.,
Ion - Solvent Molecule Interactions in the Gas Phase. Potassium Ion and Benzene,
J. Phys. Chem., 1981, 85, 13, 1814, https://doi.org/10.1021/j150613a011
. [all data]
Larson and McMahon, 1984, 2
Larson, J.W.; McMahon, T.B.,
Gas phase negative ion chemistry of alkylchloroformates,
Can. J. Chem., 1984, 62, 675. [all data]
French, Ikuta, et al., 1982
French, M.A.; Ikuta, S.; Kebarle, P.,
Hydrogen bonding of O-H and C-H hydrogen donors to Cl-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl- = RHCl-,
Can. J. Chem., 1982, 60, 1907. [all data]
Chowdhury and Kebarle, 1986
Chowdhury, S.; Kebarle, P.,
Role of Binding Energies in A-.B and A.B- Complexes in the Kinetics of Gas Phase Electron Transfer Reactions:A- + B = A + B- Involving Perfluoro Compounds: SF6, C6F11CF3,
J. Chem. Phys., 1986, 85, 9, 4989, https://doi.org/10.1063/1.451687
. [all data]
Davico, Bierbaum, et al., 1995
Davico, G.E.; Bierbaum, V.M.; Depuy, C.H.; Ellison, G.B.; Squires, R.R.,
The C-H bond energy of benzene,
J. Am. Chem. Soc., 1995, 117, 9, 2590, https://doi.org/10.1021/ja00114a023
. [all data]
Ervin and DeTuro, 2002
Ervin, K.M.; DeTuro, V.F.,
Anchoring the gas-phase acidity scale,
J. Phys. Chem. A, 2002, 106, 42, 9947-9956, https://doi.org/10.1021/jp020594n
. [all data]
Alecu, Gao, et al., 2007
Alecu, I.M.; Gao, Y.D.; Hsieh, P.C.; Sand, J.P.; Ors, A.; McLeod, A.; Marshall, P.,
Studies of the kinetics and thermochemistry of the forward and reverse reaction Cl+C6H6=HCl+C6H5,
J. Phys. Chem. A, 2007, 111, 19, 3970-3976, https://doi.org/10.1021/jp067212o
. [all data]
Gunion, Gilles, et al., 1992
Gunion, R.F.; Gilles, M.K.; Polak, M.L.; Lineberger, W.C.,
Ultraviolet Photoelectron Spectroscopy of the Phenide, Benzyl, and Phenoxide Anions.,
Int. J. Mass Spectrom. Ion Proc., 1992, 117, 601, https://doi.org/10.1016/0168-1176(92)80115-H
. [all data]
Meot-ner and Sieck, 1986
Meot-ner, M.; Sieck, L.W.,
Relative acidities of water and methanol, and the stabilities of the dimer adducts,
J. Phys. Chem., 1986, 90, 6687. [all data]
Graul and Squires, 1990
Graul, S.T.; Squires, R.R.,
Gas-Phase Acidities Derived from Threshold Energies for Activated Reactions,
J. Am. Chem. Soc., 1990, 112, 7, 2517, https://doi.org/10.1021/ja00163a007
. [all data]
Bohme and Young, 1971
Bohme, D.K.; Young, L.B.,
Electron affinities from thermal proton transfer reactions: C6H5 and C6H5CH2,
Can. J. Chem., 1971, 49, 2918. [all data]
Bartmess and McIver Jr., 1979
Bartmess, J.E.; McIver Jr.,
The Gas Phase Acidity Scale
in Gas Phase Ion Chemistry, Gas Phase Ion Chemistry, V. 2, M.T. Bowers, Ed., Academic Press, NY, 1979, Ch. 11, Elsevier, 1979. [all data]
Hiraoka, Fujimaki, et al., 1991
Hiraoka, K.; Fujimaki, S.; Aruga, K.; Yamabe, S.,
Stability and Structure of Benzene Dimer Cation (C6H6)2+,
J. Chem. Phys., 1991, 95, 11, 8413, https://doi.org/10.1063/1.461270
. [all data]
Meot-Ner (Mautner), Hamlet, et al., 1978
Meot-Ner (Mautner), M.; Hamlet, P.; Hunter, E.P.; Field, F.H.,
Bonding Energies in Association Ions of Aromatic Molecules. Correlations with Ionization Energies,
J. Am. Chem. Soc., 1978, 100, 17, 5466, https://doi.org/10.1021/ja00485a034
. [all data]
Field, Hamlet, et al., 1969
Field, F.H.; Hamlet, P.; Libby, W.F.,
Effect of Temperature on the Mass Spectrum of Benzene at High Pressures,
J. Am. Chem. Soc., 1969, 91, 11, 2839, https://doi.org/10.1021/ja01039a003
. [all data]
Amicangelo and Armentrout, 2000
Amicangelo, J.C.; Armentrout, P.B.,
Absolute Binding Energies of Alkali-Metal Cation Complexes with Benzene Determined by Threshold Collision-Induced Dissociation Experiments and Ab Initio Theory,
J. Phys. Chem. A, 2000, 104, 48, 11420, https://doi.org/10.1021/jp002652f
. [all data]
Woodin and Beauchamp, 1978
Woodin, R.L.; Beauchamp, J.L.,
Bonding of Li+ to Lewis Bases in the Gas Phase. Reversals in Methyl Substituent Effects for Different Reference Acids,
J. Am. Chem. Soc., 1978, 100, 2, 501, https://doi.org/10.1021/ja00470a024
. [all data]
Dzidic and Kebarle, 1970
Dzidic, I.; Kebarle, P.,
Hydration of the Alkali Ions in the Gas Phase. Enthalpies and Entropies of Reactions M+(H2O)n-1 + H2O = M+(H2O)n,
J. Phys. Chem., 1970, 74, 7, 1466, https://doi.org/10.1021/j100702a013
. [all data]
Staley and Beauchamp, 1975
Staley, R.H.; Beauchamp, J.L.,
Intrinsic Acid - Base Properties of Molecules. Binding Energies of Li+ to pi - and n - Donor Bases,
J. Am. Chem. Soc., 1975, 97, 20, 5920, https://doi.org/10.1021/ja00853a050
. [all data]
Amicangelo and Armentrout, 2001
Amicangelo, J.C.; Armentrout, P.B.,
Relative and Absolute Bond Dissociation Energies of Sodium Cation Complexes Determined Using Competitive Collision-Induced Dissociation Experiments,
Int. J. Mass Spectrom., 2001, 212, 1-3, 301, https://doi.org/10.1016/S1387-3806(01)00494-8
. [all data]
Armentrout and Rodgers, 2000
Armentrout, P.B.; Rodgers, M.T.,
An Absolute Sodium Cation Affinity Scale: Threshold Collision-Induced Dissociation Experiments and ab Initio Theory,
J. Phys. Chem A, 2000, 104, 11, 2238, https://doi.org/10.1021/jp991716n
. [all data]
Guo, Purnell, et al., 1990
Guo, B.C.; Purnell, J.W.; Castleman, A.W.,
The Clustering Reactions of Benzene with Sodium and Lead Ions,
Chem. Phys. Lett., 1990, 168, 2, 155, https://doi.org/10.1016/0009-2614(90)85122-S
. [all data]
McMahon and Ohanessian, 2000
McMahon, T.B.; Ohanessian, G.,
An Experimental and Ab Initio Study of the Nature of the Binding in Gas-Phase Complexes of Sodium Ions,
Chem. Eur. J., 2000, 6, 16, 2931, https://doi.org/10.1002/1521-3765(20000818)6:16<2931::AID-CHEM2931>3.0.CO;2-7
. [all data]
Meot-Ner (Mautner) and El-Shall, 1986
Meot-Ner (Mautner), M.; El-Shall, M.S.,
Ionic Charge Transfer Complexes. 1. Cationic Complexes with Delocalized and Partially Localized pi Systems,
J. Am. Chem. Soc., 1986, 108, 15, 4386, https://doi.org/10.1021/ja00275a026
. [all data]
Meot-Ner (Mautner), 1989
Meot-Ner (Mautner), M.,
Ion DChemistry of Ferrocene. Thermochemistry of Ionization and Protonation and Solvent Clustering. Slow and Entropy - Driven Proton - Transfer Kinetics,
J. Am. Chem. Soc., 1989, 111, 8, 2830, https://doi.org/10.1021/ja00190a014
. [all data]
Meyer, Khan, et al., 1995
Meyer, F.; Khan, F.A.; Armentrout, P.B.,
Thermochemistry of Transition Metal Benzene complexes: Binding energies of M(C6H6)x+ (x = 1,2) for M = Ti to Cu,
J. Am. Chem. Soc., 1995, 117, 38, 9740, https://doi.org/10.1021/ja00143a018
. [all data]
Kemper, Bushnell, et al., 1993
Kemper, P.R.; Bushnell, J.; Von Koppen, P.; Bowers, M.T.,
Binding Energies of Co+(H2/CH4/C2H6)1,2,3 Clusters,
J. Phys. Chem., 1993, 97, 9, 1810, https://doi.org/10.1021/j100111a016
. [all data]
Ernstberger, Krause, et al., 1990
Ernstberger, B.; Krause, H.; Kiermeier, A.; Neusser, H.J.,
Multiphoton ionization and dissociation of mixed van der Waals clusters in a linear reflectron time-of-flight mass spectrometer,
J. Chem. Phys., 1990, 92, 9, 5285, https://doi.org/10.1063/1.458603
. [all data]
Ruhl, Bisling, et al., 1986
Ruhl, E.; Bisling, P.G.F.; Brutschy, B.; Baumgartel, H.,
Photoionization of Aromatic van der Waals Complexes in a Supersonic Jet,
Chem. Phys. Lett., 1986, 126, 3-4, 232, https://doi.org/10.1016/S0009-2614(86)80075-6
. [all data]
Deakyne and Meot-Ner (Mautner), 1985
Deakyne, C.A.; Meot-Ner (Mautner), M.,
Unconventional Ionic Hydrogen Bonds. 2. NH+ pi. Complexes of Onium Ions with Olefins and Benzene Derivatives,
J. Am. Chem. Soc., 1985, 107, 2, 474, https://doi.org/10.1021/ja00288a034
. [all data]
Searles and Kebarle, 1969
Searles, S.K.; Kebarle, P.,
Hydration of the Potassium Ion in the Gas Phase: Enthalpies and Entropies of Hydration Reactions K+(H2O)n-1 + H2O = K+(H2O)n for n=1 to n=6,
Can. J. Chem., 1969, 47, 14, 2619, https://doi.org/10.1139/v69-432
. [all data]
Caldwell, Masucci, et al., 1989
Caldwell, G.W.; Masucci, J.A.; Ikonomou, M.G.,
Negative Ion Chemical Ionization Mass Spectrometry - Binding of Molecules to Bromide and Iodide Anions,
Org. Mass Spectrom., 1989, 24, 1, 8, https://doi.org/10.1002/oms.1210240103
. [all data]
Lin, Chen, et al., 1997
Lin, C.-Y.; Chen, Q.; Chen, H.; Freiser, B.S.,
Observing Unimolecular Dissociation of Metastable Ions in FT-ICR: A Novel Application of the Continuous Ejection Technique,
J. Phys. Chem. A, 1997, 101, 34, 6023, https://doi.org/10.1021/jp970446a
. [all data]
Lin and Dunbar, 1997
Lin, C.-Y.; Dunbar, R.C.,
Radiative Association Kinetics and Binding Energies of Chromium Ions with Benzene and Benzene Derivatives,
Organometallics, 1997, 16, 12, 2691, https://doi.org/10.1021/om960949n
. [all data]
Hiraoka, Mizuse, et al., 1987
Hiraoka, K.; Mizuse, S.; Yamabe, S.,
A Determination of the Stability and Structure of F-(C6H6) and F-(C6F6) Clusters,
J. Chem. Phys., 1987, 86, 7, 4102, https://doi.org/10.1063/1.451920
. [all data]
Gapeev and Dunbar, 2002
Gapeev, A.; Dunbar, R.C.,
Reactivity and Binding Energies of Transition Metal Halide Ions with Benzene,
J. Am. Soc. Mass Spectrom., 2002, 13, 5, 477, https://doi.org/10.1016/S1044-0305(02)00373-2
. [all data]
Sen Sharma, Ikuta, et al., 1982
Sen Sharma, D.K.; Ikuta, S.; Kebarle, P.,
Alkylation of Benzene by Alkyl Cations. Stability of the tert - Butyl Benzenium Ion,
Can. J. Chem., 1982, 60, 18, 2325, https://doi.org/10.1139/v82-331
. [all data]
El-Shall and Meot-Ner (Mautner), 1987
El-Shall, M.S.; Meot-Ner (Mautner), M.,
Ionic Charge Transfer Complexes. 3. Delocalised pi Systems as Electron Acceptors and Donors,
J. Phys. Chem., 1987, 91, 5, 1088, https://doi.org/10.1021/j100289a017
. [all data]
Reents and Freiser, 1981
Reents, W.D.; Freiser, B.S.,
Gas-Phase Binding Energies and Spectroscopic Properties of NO+ Charge-Transfer Complexes,
J. Am. Chem. Soc., 1981, 103, 2791. [all data]
Farid and McMahon, 1978
Farid, R.; McMahon, T.B.,
Gas-Phase Ion-Molecule Reactions of Alkyl Nitrites by Ion Cyclotron Resonance Spectroscopy,
Int. J. Mass Spectrom. Ion Phys., 1978, 27, 2, 163, https://doi.org/10.1016/0020-7381(78)80037-0
. [all data]
Lee and Squires, 1986
Lee, R.E.; Squires, R.R.,
Anionic homoaromaticity: A gas phase experimental study,
J. Am. Chem. Soc., 1986, 105, 5078. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.