Cycloheptanone
- Formula: C7H12O
- Molecular weight: 112.1696
- IUPAC Standard InChIKey: CGZZMOTZOONQIA-UHFFFAOYSA-N
- CAS Registry Number: 502-42-1
- 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: Ketocycloheptane; Ketoheptamethylene; Suberon; Suberone
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Gas phase thermochemistry data
Go To: Top, IR Spectrum, Gas Chromatography, 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -248. ± 1.3 | kJ/mol | Ccb | Wolf, 1972 | ALS |
ΔfH°gas | -247. ± 2. | kJ/mol | Ccb | Skuratov and Shtekher, 1958 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
46.85 | 50. | Thermodynamics Research Center, 1997 | p=1 bar.; GT |
57.50 | 100. | ||
74.03 | 150. | ||
93.15 | 200. | ||
125.80 | 273.15 | ||
137.78 | 298.15 | ||
138.68 | 300. | ||
186.14 | 400. | ||
228.00 | 500. | ||
262.84 | 600. | ||
291.71 | 700. | ||
315.87 | 800. | ||
336.27 | 900. | ||
353.60 | 1000. | ||
368.4 | 1100. | ||
381.1 | 1200. | ||
392.0 | 1300. | ||
401.3 | 1400. | ||
409.4 | 1500. |
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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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
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 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon L | 130. | 1009. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | RTX-5 | 1005.1 | Ádámová, Orinák, et al., 2005 | 30. m/0.25 mm/0.25 μm, N2, 40. C @ 2. min, 5. K/min, 300. C @ 10. min |
Capillary | RTX-5 | 1015.5 | Ádámová, Orinák, et al., 2005 | 30. m/0.25 mm/0.25 μm, N2, 40. C @ 2. min, 5. K/min, 300. C @ 10. min |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Polydimethyl siloxane | 105. | 992. | Tello, Lebron-Aguilar, et al., 2009 | |
Capillary | Polydimethyl siloxane | 75. | 979. | Tello, Lebron-Aguilar, et al., 2009 | |
Capillary | Polydimethyl siloxane | 90. | 985. | Tello, Lebron-Aguilar, et al., 2009 | |
Capillary | Methyl Silicone | 100. | 989. | Lebrón-Aguilar, Quintanilla-López, et al., 2007 | |
Capillary | Methyl Silicone | 120. | 999. | Lebrón-Aguilar, Quintanilla-López, et al., 2007 | |
Capillary | Methyl Silicone | 140. | 1008. | Lebrón-Aguilar, Quintanilla-López, et al., 2007 | |
Capillary | Methyl Silicone | 80. | 981. | Lebrón-Aguilar, Quintanilla-López, et al., 2007 |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | RTX-5 | 1015. | Ádámová, Orinák, et al., 2005 | 30. m/0.25 mm/0.25 μm, N2; Program: not specified |
Capillary | RTX-5 | 1015. | Ádámová, Orinák, et al., 2005 | 30. m/0.25 mm/0.25 μm, N2; Program: not specified |
Capillary | Methyl Silicone | 987. | Zenkevich, 1998 | Program: not specified |
Capillary | OV-1 | 1010. | Ramsey and Flanagan, 1982 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1495. | Ramsey and Flanagan, 1982 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, Notes
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]
Skuratov and Shtekher, 1958
Skuratov, S.M.; Shtekher, S.M.,
On the heat combustion of cycloheptanone,
Trans. Faraday Soc., 1958, 4883. [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]
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]
Ádámová, Orinák, et al., 2005
Ádámová, M.; Orinák, A.; Halás, L.,
Retention indices as identification tool in pyrolysis-capillary gas chromatography,
J. Chromatogr. A, 2005, 1087, 1-2, 131-141, https://doi.org/10.1016/j.chroma.2005.01.003
. [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]
Zenkevich, 1998
Zenkevich, I.G.,
Non-Traditional Criteria for Gas-Chromatographic and Chromato-Mass-Spectrometric Identification of Organic Compounds,
Zh. Anal. Khim., 1998, 53, 8, 828-835. [all data]
Ramsey and Flanagan, 1982
Ramsey, J.D.; Flanagan, R.J.,
Detection and Identification of Volatile Organic Compounds in Blood by Headspace Gas Chromatography as an Aid to the Diagnosis of Solvent Abuse,
J. Chromatogr., 1982, 240, 2, 423-444, https://doi.org/10.1016/S0021-9673(00)99622-5
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, IR Spectrum, 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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