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, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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 | -59.3 ± 0.31 | kcal/mol | Ccb | Wolf, 1972 | ALS |
ΔfH°gas | -59.1 ± 0.4 | kcal/mol | Ccb | Skuratov and Shtekher, 1958 | 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 |
---|---|---|---|
11.20 | 50. | Thermodynamics Research Center, 1997 | p=1 bar.; GT |
13.74 | 100. | ||
17.69 | 150. | ||
22.26 | 200. | ||
30.067 | 273.15 | ||
32.930 | 298.15 | ||
33.145 | 300. | ||
44.489 | 400. | ||
54.493 | 500. | ||
62.820 | 600. | ||
69.720 | 700. | ||
75.495 | 800. | ||
80.370 | 900. | ||
84.512 | 1000. | ||
88.05 | 1100. | ||
91.09 | 1200. | ||
93.69 | 1300. | ||
95.91 | 1400. | ||
97.85 | 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 451.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 452.95 | K | N/A | Wolf, 1972, 2 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tboil | 453.15 | K | N/A | Wallach, 1907 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12.1 ± 0.5 | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
11.6 | 328. | A | Stephenson and Malanowski, 1987 | Based on data from 313. to 453. K.; AC |
10.7 | 388. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 373. to 465. K. See also Meyer and Hotz, 1976.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
0.332 | 259.3 | Gonthier-Vassal and Szwarc, 1998 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
13.0 | 227. | Gonthier-Vassal and Szwarc, 1998, 2 | CAL |
0.43 | 232.6 | ||
1.3 | 259.3 |
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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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 |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
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- 952 |
NIST MS number | 230264 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Wolf, 1972, 2
Wolf, G.,
Thermochemical studies of cyclic ketones,
Helv. Chim. Acta, 1972, 55, 1446. [all data]
Wallach, 1907
Wallach, O.,
Justus Liebigs Ann. Chem., 1907, 353, 331. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Meyer and Hotz, 1976
Meyer, Edwin F.; Hotz, Carol A.,
Cohesive energies in polar organic liquids. 3. Cyclic ketones,
J. Chem. Eng. Data, 1976, 21, 3, 274-279, https://doi.org/10.1021/je60070a035
. [all data]
Gonthier-Vassal and Szwarc, 1998
Gonthier-Vassal, Anne; Szwarc, Henri,
Thermodynamic properties of cycloketones: A DSC study,
Thermochimica Acta, 1998, 320, 1-2, 141-154, https://doi.org/10.1016/S0040-6031(98)00409-2
. [all data]
Gonthier-Vassal and Szwarc, 1998, 2
Gonthier-Vassal, A.; Szwarc, H.,
Thermochim. Acta, 1998, 141. [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, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Tboil Boiling point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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