1,3-Cyclooctadiene

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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 by: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
39.5150.Dorofeeva O.V., 1986 
61.28100.
77.99150.
95.59200.
127.07273.15
138.8 ± 6.0298.15
139.70300.
186.56400.
227.96500.
262.46600.
291.08700.
315.06800.
335.36900.
352.641000.
367.421100.
380.101200.
391.011300.
400.421400.
408.571500.

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: John E. Bartmess

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Individual Reactions

C8H11- + Hydrogen cation = 1,3-Cyclooctadiene

By formula: C8H11- + H+ = C8H12

Quantity Value Units Method Reference Comment
Δr1576. ± 13.kJ/molG+TSLee and Squires, 1986gas phase; Between EtOH, nPrOH; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1548. ± 13.kJ/molIMRBLee and Squires, 1986gas phase; Between EtOH, nPrOH; value altered from reference due to change in acidity scale

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 compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C8H12+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.4PEBatich, Bischof, et al., 1973LLK

De-protonation reactions

C8H11- + Hydrogen cation = 1,3-Cyclooctadiene

By formula: C8H11- + H+ = C8H12

Quantity Value Units Method Reference Comment
Δr1576. ± 13.kJ/molG+TSLee and Squires, 1986gas phase; Between EtOH, nPrOH; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1548. ± 13.kJ/molIMRBLee and Squires, 1986gas phase; Between EtOH, nPrOH; value altered from reference due to change in acidity scale; B

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

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


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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Mass spectrum
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Additional Data

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Due to licensing restrictions, this spectrum cannot be downloaded.

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 Japan AIST/NIMC Database- Spectrum MS-NW-9193
NIST MS number 229190

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References

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

Dorofeeva O.V., 1986
Dorofeeva O.V., Thermodynamic properties of twenty-one monocyclic hydrocarbons, J. Phys. Chem. Ref. Data, 1986, 15, 437-464. [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]

Batich, Bischof, et al., 1973
Batich, C.; Bischof, P.; Heilbronner, E., The photoelectron spectra of cyclooctatetraene and its hydrogenated derivatives, J. Electron Spectrosc. Relat. Phenom., 1973, 1, 333. [all data]


Notes

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