Biphenylene
- Formula: C12H8
- Molecular weight: 152.1919
- IUPAC Standard InChIKey: IFVTZJHWGZSXFD-UHFFFAOYSA-N
- CAS Registry Number: 259-79-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Cyclobutadibenzene; Diphenylene; 1,1'-Biphenylene; Dibenzocyclobutadiene
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Gas phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
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 |
---|---|---|---|---|---|
ΔfH°gas | 99.71 ± 0.45 | kcal/mol | Review | Roux, Temprado, et al., 2008 | There are sufficient literature values to make a qualified recommendation where the suggested value is in good agreement with values predicted using thermochemical cycles or from reliable estimates. In general, the evaluated uncertainty limits are on the order of (2 to 4) kJ/mol.; DRB |
ΔfH°gas | 100.48 ± 0.46 | kcal/mol | Ccb | Douslin, Scott, et al., 1976 | see Good, 1978; ALS |
ΔfH°gas | 105.2 | kcal/mol | N/A | Bedford, Carey, et al., 1962 | Value computed using ΔfHsolid° value of 353.0 kj/mol from Bedford, Carey, et al., 1962 and ΔsubH° value of 87.0 kj/mol from Douslin, Scott, et al., 1976.; DRB |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.36 | 50. | Thermodynamics Research Center, 1997 | p=1 bar.; GT |
14.89 | 100. | ||
19.74 | 150. | ||
25.387 | 200. | ||
34.775 | 273.15 | ||
38.074 | 298.15 | ||
38.317 | 300. | ||
50.74 | 400. | ||
61.11 | 500. | ||
69.41 | 600. | ||
76.00 | 700. | ||
81.36 | 800. | ||
85.76 | 900. | ||
89.39 | 1000. | ||
92.47 | 1100. | ||
95.12 | 1200. | ||
97.28 | 1300. | ||
99.19 | 1400. | ||
100.9 | 1500. |
Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 384.4 | K | N/A | Yokozeki, Wilcox, et al., 1974 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 22. ± 8. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
19.8 | 383. | GS | Nass, Lenoir, et al., 1995 | Based on data from 313. to 453. K.; AC |
16.4 ± 0.2 | 295. | V | Wolf and Weghofer, 1938 | ALS |
Reaction thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: 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. 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
By formula: C10H8+ + C12H8 = (C10H8+ • C12H8)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.9 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1980 | gas phase; Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 28. | cal/mol*K | N/A | Meot-Ner (Mautner), 1980 | gas phase; Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
7.2 | 309. | PHPMS | Meot-Ner (Mautner), 1980 | gas phase; Entropy change calculated or estimated |
By formula: C12H9+ + C12H8 = (C12H9+ • C12H8)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrS° | 28. | cal/mol*K | N/A | Meot-Ner (Mautner), 1980 | gas phase; Entropy change calculated or estimated |
ΔrS° | 29. | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1980 | gas phase |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
5.9 | 277. | PHPMS | Meot-Ner (Mautner), 1980 | gas phase; Entropy change calculated or estimated |
Gas phase ion energetics data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to C12H8+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.58 ± 0.03 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 202.7 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 195.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.89 ± 0.10 | CIDC | Chen and Cooks, 1995 | B |
Proton affinity at 298K
Proton affinity (kcal/mol) | Reference | Comment |
---|---|---|
202.0 | Aue, Guidoni, et al., 2000 | Experimental literature data re-evaluated by the authors using ab initio protonation entropies; MM |
Gas basicity at 298K
Gas basicity (review) (kcal/mol) | Reference | Comment |
---|---|---|
195.8 | Aue, Guidoni, et al., 2000 | Experimental literature data re-evaluated by the authors using ab initio protonation entropies; MM |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.56 ± 0.05 | EQ | Mautner(Meot-Ner), 1980 | LLK |
7.61 ± 0.04 | PE | Boschi, Clar, et al., 1974 | LLK |
7.53 ± 0.05 | PE | Eland, 1972 | LLK |
7.56 ± 0.05 | PE | Eland, 1969 | RDSH |
7.61 | PE | Dewar and Tien, 1985 | Vertical value; LBLHLM |
7.60 ± 0.02 | PE | Maier and Turner, 1972 | Vertical value; LLK |
Mass spectrum (electron ionization)
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: 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 | Chemical Concepts |
NIST MS number | 190117 |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Download spectrum in JCAMP-DX format.
Source | missing citation |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 9010 |
Instrument | Unicam SP 700 |
Melting point | 107-111 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible 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
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 248.9 | Wang, Hou, et al., 2007 | 30. m/0.30 mm/0.25 μm, Helium, 50. C @ 5. min, 5. K/min, 200. C @ 15. min |
Capillary | HP-5 | 249.1 | Shao, Wang, et al., 2006 | 30. m/0.3 mm/0.25 μm, He, 50. C @ 5. min, 5. K/min, 200. C @ 15. min |
Capillary | SPB-5 | 249.2 | Knobloch and Engewald, 1993 | 40. C @ 2. min, 4. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tend: 300. C |
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 240. | Aracil, Font, et al., 2005 | Column length: 60. m; Column diameter: 0.25 mm; Program: not specified |
Capillary | HP-5MS | 244.96 | Cheng, Liu, et al., 2005 | 30. m/0.30 mm/0.25 μm, He; Program: 50 0C (2 min) 8 0C/min -> 120 0C (3 min) 10 0C/min -> 230 0C |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Roux, Temprado, et al., 2008
Roux, M.V.; Temprado, M.; Chickos, J.S.; Nagano, Y.,
Critically Evaluated Thermochemical Properties of Polycyclic Aromatic Hydrocarbons,
J. Phys. Chem. Ref. Data, 2008, 37, 4, 1855-1996. [all data]
Douslin, Scott, et al., 1976
Douslin, D.R.; Scott, D.W.; Good, W.D.; Osborn, A.G.,
Thermodynamic properties of organic compounds and thermodynamic properties of fluids,
Gov. Rep. Announce. Index U.S., 1976, 76, 97. [all data]
Good, 1978
Good, W.D.,
The enthalpies of formation of some bridged-ring polynuclear aromatic hydrocarbons,
J. Chem. Thermodyn., 1978, 10, 553-558. [all data]
Bedford, Carey, et al., 1962
Bedford, A.F.; Carey, J.G.; Millar, I.T.; Mortimer, C.T.; Springall, H.D.,
Heats of combustion and molecular structure. Part VIII. Biphenylene,
J. Chem. Soc., 1962, 3895-3898. [all data]
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Yokozeki, Wilcox, et al., 1974
Yokozeki, A.; Wilcox, C.F.; Bauer, S.H.,
Biphenylene. Internuclear Distances and Their Root Mean Square Amplitudes of Vibration,
J. Am. Chem. Soc., 1974, 96, 1026. [all data]
Nass, Lenoir, et al., 1995
Nass, Karen; Lenoir, Dieter; Kettrup, Antonius,
Calculation of the Thermodynamic Properties of Polycyclic Aromatic Hydrocarbons by an Incremental Procedure,
Angew. Chem. Int. Ed. Engl., 1995, 34, 16, 1735-1736, https://doi.org/10.1002/anie.199517351
. [all data]
Wolf and Weghofer, 1938
Wolf, K.L.; Weghofer, H.,
Uber sublimationswarmen,
Z. Phys. Chem., 1938, 39, 194-208. [all data]
Meot-Ner (Mautner), 1980
Meot-Ner (Mautner), M.,
Dimer Cations of Polycyclic Aromatics: Experimental Bonding Energies and Resonance Stabilization,
J. Phys. Chem., 1980, 84, 21, 2724, https://doi.org/10.1021/j100458a012
. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Chen and Cooks, 1995
Chen, G.D.; Cooks, R.G.,
Electron affinities of polycyclic aromatic hydrocarbons determined by the kinetic method,
J. Mass Spectrom., 1995, 30, 8, 1167, https://doi.org/10.1002/jms.1190300814
. [all data]
Aue, Guidoni, et al., 2000
Aue, D.H.; Guidoni, M.; Betowski, L.D.,
Ab initio calculated gas-phase basicities of polynuclear aromatic hydrocarbons,
Int. J. Mass Spectrom., 2000, 201, 283. [all data]
Mautner(Meot-Ner), 1980
Mautner(Meot-Ner), M.,
Ion thermochemistry of low volatility compounds in the gas phase. 3. Polycyclic aromatics: Ionization energies, proton, and hydrogen affinities. Extrapolations to graphite,
J. Phys. Chem., 1980, 84, 2716. [all data]
Boschi, Clar, et al., 1974
Boschi, R.; Clar, E.; Schmidt, W.,
Photoelectron spectra of polynuclear aromatics. III. The effect of nonplanarity in sterically overcrowded aromatic hydrocarbons,
J. Chem. Phys., 1974, 60, 4406. [all data]
Eland, 1972
Eland, J.H.D.,
Photoelectron spectra and ionization potentials of aromatic hydrocarbons,
Int. J. Mass Spectrom. Ion Phys., 1972, 9, 214. [all data]
Eland, 1969
Eland, J.H.D.,
Photoelectron spectra of conjugated hydrocarbons and heteromolecules,
Intern. J. Mass Spectrom. Ion Phys., 1969, 2, 471. [all data]
Dewar and Tien, 1985
Dewar, M.J.S.; Tien, T.-P.,
Photoelectron spectrum of benzyne,
J. Chem. Soc., Chem. Commun., 1985, 1243. [all data]
Maier and Turner, 1972
Maier, J.P.; Turner, D.W.,
Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part I. Biphenyls,
Faraday Discuss. Chem. Soc., 1972, 54, 149. [all data]
Wang, Hou, et al., 2007
Wang, G.; Hou, Z.; Sun, Y.; Liu, Y.; Xie, B.; Liu, S.,
Investigation of pyrolysis behavior of fenoxycarb using PY-GC-MS assisted with chemometric methods,
Chem. Anal., 2007, 52, 141-156. [all data]
Shao, Wang, et al., 2006
Shao, X.; Wang, G.; Sun, Y.; Zhang, R.; Xie, K.; Liu, H.,
Determination and Characterization of the Pyrolysis Products of Isoprocarb by GC-MS,
J. Chromatogr. Sci., 2006, 44, 3, 141-147, https://doi.org/10.1093/chromsci/44.3.141
. [all data]
Knobloch and Engewald, 1993
Knobloch, T.; Engewald, W.,
Identification of some polar polycyclic compounds in emissions from brown-coal-fired residential stoves,
J. Hi. Res. Chromatogr., 1993, 16, 4, 239-242, https://doi.org/10.1002/jhrc.1240160407
. [all data]
Aracil, Font, et al., 2005
Aracil, I.; Font, R.; Conesa, J.A.,
Semivolatile and volatile compounds from the pyrolysis and combustion of polyvinyl chloride,
J. Anal. Appl. Pyrolysis, 2005, 74, 1-2, 465-478, https://doi.org/10.1016/j.jaap.2004.09.008
. [all data]
Cheng, Liu, et al., 2005
Cheng, D.-X.; Liu, B.-X.; Sun, Y.-A.; Xie, B.; Zhang, H.-L.,
rapid analysis of pyrolysis products of cholesterol by GC-MS assited with boiling point - Lee retention index,
journal of Instrumental Analysis - Fenxi ceshi xuebao, 2005, 24, 6, 85-88. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas EA Electron affinity IE (evaluated) Recommended ionization energy T Temperature Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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