Cyclooctanone
- Formula: C8H14O
- Molecular weight: 126.1962
- IUPAC Standard InChIKey: IIRFCWANHMSDCG-UHFFFAOYSA-N
- CAS Registry Number: 502-49-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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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:
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 | -65.05 ± 0.42 | kcal/mol | Ccb | Wolf, 1972 | Hfusion=0.655±0.025 kcal/mol; ALS |
ΔfH°gas | -64.9 ± 1.3 | kcal/mol | Ccb | Ruzieka and Schlapfer, 1933 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.1 | 50. | Thermodynamics Research Center, 1997 | p=1 bar.; GT |
14.7 | 100. | ||
19.7 | 150. | ||
24.98 | 200. | ||
33.72 | 273.15 | ||
36.90 | 298.15 | ||
37.14 | 300. | ||
49.98 | 400. | ||
61.52 | 500. | ||
71.27 | 600. | ||
79.42 | 700. | ||
86.26 | 800. | ||
92.07 | 900. | ||
96.96 | 1000. | ||
101.2 | 1100. | ||
104.8 | 1200. | ||
107.8 | 1300. | ||
110.5 | 1400. | ||
112.8 | 1500. |
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: 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
By formula: H2 + C8H14O = C8H16O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -13.32 | kcal/mol | Chyd | Wiberg, Crocker, et al., 1991 | liquid phase |
ΔrH° | -12.70 | kcal/mol | Chyd | Wiberg, Crocker, et al., 1991 | solid phase |
ΔrH° | -9.31 | kcal/mol | Chyd | Wiberg, Crocker, et al., 1991 | gas phase |
ΔrH° | -12.70 ± 0.14 | kcal/mol | Cm | Wiberg, Crocker, et al., 1991 | solid phase |
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
Data compiled as indicated in comments:
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
View reactions leading to C8H14O+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 203.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 195.9 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.28 | PE | Spanka, Boese, et al., 1987 | Vertical value; LBLHLM |
9.28 | PE | Spanka and Rademacher, 1986 | Vertical value; LBLHLM |
9.08 | PE | Kovac and Klasinc, 1978 | Vertical value; LLK |
9.00 | PE | Hentrich, Gunkel, et al., 1974 | Vertical value; LLK |
9.09 ± 0.02 | PE | Chadwick, Frost, et al., 1971 | Vertical value; LLK |
Gas Chromatography
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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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon L | 130. | 1115. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Polydimethyl siloxane | 105. | 1096. | Tello, Lebron-Aguilar, et al., 2009 | |
Capillary | Polydimethyl siloxane | 75. | 1081. | Tello, Lebron-Aguilar, et al., 2009 | |
Capillary | Polydimethyl siloxane | 90. | 1088. | Tello, Lebron-Aguilar, et al., 2009 | |
Capillary | Methyl Silicone | 100. | 1093. | Lebrón-Aguilar, Quintanilla-López, et al., 2007 | |
Capillary | Methyl Silicone | 120. | 1104. | Lebrón-Aguilar, Quintanilla-López, et al., 2007 | |
Capillary | Methyl Silicone | 140. | 1115. | Lebrón-Aguilar, Quintanilla-López, et al., 2007 | |
Capillary | Methyl Silicone | 80. | 1083. | Lebrón-Aguilar, Quintanilla-López, et al., 2007 |
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.
Wolf, 1972
Wolf, G.,
Thermochemische Untersuchungen an cyclischen Ketonen,
Helv. Chim. Acta, 1972, 55, 1446-1459. [all data]
Ruzieka and Schlapfer, 1933
Ruzieka, L.; Schlapfer, P.,
Zur kenntnis des kohlenstoffringes XXII. Uber die verbrennungswarme bei hochgliedrigen ringverbindungen,
Helv. Chim. Acta, 1933, 16, 162-169. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [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]
Wiberg, Crocker, et al., 1991
Wiberg, K.B.; Crocker, L.S.; Morgan, K.M.,
Thermochemical studies of carbonyl compounds. 5. Enthalpies of reduction of carbonyl groups,
J. Am. Chem. Soc., 1991, 113, 3447-3450. [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]
Spanka, Boese, et al., 1987
Spanka, G.; Boese, R.; Rademacher, P.,
Transannualr interactions in difunctional medium rings. 2. Molecular structure and conformational properties of 1-alkylhexahydroazocin-5-ones,
J. Org. Chem., 1987, 52, 3362. [all data]
Spanka and Rademacher, 1986
Spanka, G.; Rademacher, P.,
Transannular interactions in difunctional medium rings. 1. n/π Interactions in cyclic amino ketones and aminoalkenes studied by photoelectron spectroscopy,
J. Org. Chem., 1986, 51, 592. [all data]
Kovac and Klasinc, 1978
Kovac, B.; Klasinc, L.,
Photoelectron spectroscopy of adamantane and some adamantanones,
Croat. Chem. Acta, 1978, 51, 55. [all data]
Hentrich, Gunkel, et al., 1974
Hentrich, G.; Gunkel, E.; Klessinger, M.,
Photoelektronenspektren organischer verbindungen. 4. Photoelektronenspektren ungesattigter carbonylverbindungen,
J. Mol. Struct., 1974, 21, 231. [all data]
Chadwick, Frost, et al., 1971
Chadwick, D.; Frost, D.C.; Weiler, L.,
The photoelectron spectra of cyclic ketones,
Tetrahedron Lett., 1971, 47, 4543. [all data]
Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E.,
Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen,
Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745
. [all data]
Tello, Lebron-Aguilar, et al., 2009
Tello, A.M.; Lebron-Aguilar, R.; Quintanilla-Lopez, J.E.; Santiuste, J.M.,
Isothermal retention indices on poly93-cyanopropylmethyl)siloxane stationary phases,
J. Chromatogr. A, 2009, 1216, 10, 1630-1639, https://doi.org/10.1016/j.chroma.2008.10.025
. [all data]
Lebrón-Aguilar, Quintanilla-López, et al., 2007
Lebrón-Aguilar, R.; Quintanilla-López, J.E.; Tello, A.M.; Santiuste, J.M.,
Isothermal retention indices on poly (3,3,3-trifluoropropylmethylsiloxane) stationary phases,
J. Chromatogr. A, 2007, 1160, 1-2, 276-288, https://doi.org/10.1016/j.chroma.2007.05.025
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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