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2-Cyclopenten-1-one


Phase change data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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 by: Robert L. Brown and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil409.2KN/AWeast and Grasselli, 1989 

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference
337.70.025Aldrich Chemical Company Inc., 1990
313.20.016Weast and Grasselli, 1989

Reaction thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics data, Ion clustering 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 by: Robert C. Dunbar

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

Sodium ion (1+) + 2-Cyclopenten-1-one = (Sodium ion (1+) bullet 2-Cyclopenten-1-one)

By formula: Na+ + C5H6O = (Na+ bullet C5H6O)

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
25.8298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89

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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
8.47 ± 0.05EILinda, Marino, et al., 1971LLK
9.30PESchweig, Vermeer, et al., 1974Vertical value; LLK
9.35PEHentrich, Gunkel, et al., 1974Vertical value; LLK
9.34 ± 0.02PEChadwick, Frost, et al., 1971Vertical value; LLK

Ion clustering 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: Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Sodium ion (1+) + 2-Cyclopenten-1-one = (Sodium ion (1+) bullet 2-Cyclopenten-1-one)

By formula: Na+ + C5H6O = (Na+ bullet C5H6O)

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
25.8298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89

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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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

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Download spectrum in JCAMP-DX format.

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)

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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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Mass spectrum
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Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

View spectrum image in SVG format.

Download spectrum in JCAMP-DX format.

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-1594
NIST MS number 227664

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


Gas Chromatography

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-1793.Takeoka, Perrino, et al., 199660. m/0.25 mm/0.25 «mu»m, 30. C @ 4. min, 2. K/min; Tend: 220. C
CapillaryDB-1793.Takeoka, Perrino, et al., 199660. m/0.25 mm/0.25 «mu»m, 30. C @ 4. min, 2. K/min; Tend: 220. C

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-5834.9Xu, van Stee, et al., 200330. m/0.25 mm/1. «mu»m, He, 2.5 K/min; Tstart: 50. C; Tend: 200. C

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCP-Wax 52CB1344.Chevance and Farmer, 199960. C @ 5. min, 4. K/min, 220. C @ 30. min; Column length: 50. m; Column diameter: 0.32 mm
CapillaryCP-Wax 52CB1341.Chevance and Farmer, 1999, 260. C @ 5. min, 4. K/min, 220. C @ 30. min; Column length: 50. m; Column diameter: 0.32 mm
CapillaryDB-Wax1309.Fröhlich, Duque, et al., 198930. m/0.25 mm/0.25 «mu»m, He, 50. C @ 3. min, 4. K/min; Tend: 250. C
CapillaryDB-Wax1313.Fröhlich, Duque, et al., 198930. m/0.25 mm/0.25 «mu»m, He, 50. C @ 3. min, 4. K/min; Tend: 250. C
CapillaryCP-WAX 57CB1335.Baltes and Mevissen, 1988He, 50. C @ 5. min, 2. K/min; Column length: 50. m; Column diameter: 0.24 mm; Tend: 210. C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-1799.Tai and Ho, 199860. m/0.32 mm/1.0 «mu»m, He, 2. K/min; Tstart: 40. C; Tend: 280. C
CapillaryDB-1781.Lu, Yu, et al., 199760. m/0.32 mm/1. «mu»m, He, 40. C @ 2. min, 2. K/min, 280. C @ 40. min

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-5802.Jordán, Goodner, et al., 200230. m/0.25 mm/0.25 «mu»m; Program: not specified

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryFFAP1372.Budryn, Nebesny, et al., 201130. m/0.32 mm/0.50 «mu»m, Nitrogen, 35. C @ 5. min, 4. K/min, 250. C @ 45. min
CapillaryDB-Wax1383.Moon and Shibamoto, 201060. m/0.25 mm/0.50 «mu»m, Helium, 40. C @ 5. min, 2. K/min, 210. C @ 70. min
CapillaryFFAP1372.Nebesny, Budryn, et al., 200730. m/0.32 mm/0.5 «mu»m, N2, 35. C @ 5. min, 4. K/min, 320. C @ 45. min
CapillaryDB-Wax1313.Osorio, Duque, et al., 200230. m/0.25 mm/0.25 «mu»m, He, 50. C @ 4. min, 4. K/min, 220. C @ 20. min
CapillaryDB-Wax1316.Osorio, Duque, et al., 200230. m/0.25 mm/0.25 «mu»m, He, 50. C @ 4. min, 4. K/min, 220. C @ 20. min
CapillaryHP-Wax1385.Sanz, Maeztu, et al., 200260. m/0.25 mm/0.5 «mu»m, He, 40. C @ 6. min, 3. K/min; Tend: 190. C
CapillaryHP-Wax1385.Sanz, Ansorena, et al., 200160. m/0.25 mm/0.5 «mu»m, He, 40. C @ 6. min, 3. K/min; Tend: 190. C
CapillaryDB-Wax1349.Umano, Hagi, et al., 200060. m/0.25 mm/0.25 «mu»m, He, 40. C @ 2. min, 2. K/min; Tend: 200. C
CapillaryDB-Wax1345.Werkhoff, Güntert, et al., 199860. m/0.32 mm/0.25 «mu»m, H2, 3. K/min; Tstart: 60. C; Tend: 220. C

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax1347.Peng, Yang, et al., 1991Program: not specified
CapillaryCarbowax1342.Baltes and Bochmann, 1987Program: not specified
CapillaryCarbowax1343.Baltes and Bochmann, 1987Program: not specified
CapillaryCarbowax1343.Baltes and Bochmann, 1987Program: not specified
CapillaryCarbowax1344.Baltes and Bochmann, 1987Program: not specified

References

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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.

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]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

McMahon and Ohanessian, 2000
McMahon, T.B.; Ohanessian, G., An Experimental and Ab Initio Study of the Nature of the Binding in Gas-Phase Complexes of Sodium Ions, Chem. Eur. J., 2000, 6, 16, 2931, https://doi.org/10.1002/1521-3765(20000818)6:16<2931::AID-CHEM2931>3.0.CO;2-7 . [all data]

Linda, Marino, et al., 1971
Linda, P.; Marino, G.; Pignataro, S., A comparison of sensitivities to substituent effects of five- membered heteroaromatic rings in gas phase ionization, J. Chem. Soc. B, 1971, 1585. [all data]

Schweig, Vermeer, et al., 1974
Schweig, A.; Vermeer, H.; Weidner, U., A photoelectron spectroscopic study of keto-enol tautomerism in acetylacetones - a new application of photoelectron spectroscopy, Chem. Phys. Lett., 1974, 26, 229. [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., Photoelectron spectra of cyclopentanone and cyclopentenones, J. Am. Chem. Soc., 1971, 93, 4320. [all data]

Takeoka, Perrino, et al., 1996
Takeoka, G.; Perrino, C., Jr.; Buttery, R., Volatile constituents of used frying oils, J. Agric. Food Chem., 1996, 44, 3, 654-660, https://doi.org/10.1021/jf950430m . [all data]

Xu, van Stee, et al., 2003
Xu, X.; van Stee, L.L.P.; Williams, J.; Beens, J.; Adahchour, M.; Vreuls, R.J.J.; Brinkman, U.A.Th.; Lelieveld, J., Comprehensive two-dimensional gas chromatography (GC×GC) measurements of volatile organic compounds in the atmosphere, Atmos. Chem. Phys., 2003, 3, 3, 665-682, https://doi.org/10.5194/acp-3-665-2003 . [all data]

Chevance and Farmer, 1999
Chevance, F.F.V.; Farmer, L.J., Identification of major volatile odor compounds in frankfurters, J. Agric. Food Chem., 1999, 47, 12, 5151-5160, https://doi.org/10.1021/jf990515d . [all data]

Chevance and Farmer, 1999, 2
Chevance, F.F.V.; Farmer, L.J., Release of volatile odor compounds from full-fat and reduced-fat frankfurters, J. Agric. Food Chem., 1999, 47, 12, 5161-5168, https://doi.org/10.1021/jf9905166 . [all data]

Fröhlich, Duque, et al., 1989
Fröhlich, O.; Duque, C.; Schreier, P., Volatile constituents of curuba (Passiflora mollissima) fruit, J. Agric. Food Chem., 1989, 37, 2, 421-425, https://doi.org/10.1021/jf00086a033 . [all data]

Baltes and Mevissen, 1988
Baltes, W.; Mevissen, L., Model reactions on roast aroma formation. VI. Volatile reaction products from the reaction of phenylalanine with glucose during cooking and roasting, Z. Lebensm. Unters. Forsch., 1988, 187, 3, 209-214, https://doi.org/10.1007/BF01043341 . [all data]

Tai and Ho, 1998
Tai, C.-Y.; Ho, C.-T., Influence of glutathione oxidation and pH on thermal formation of Maillard-type volatile compounds, J. Agric. Food Chem., 1998, 46, 6, 2260-2265, https://doi.org/10.1021/jf971111t . [all data]

Lu, Yu, et al., 1997
Lu, G.; Yu, T.-H.; Ho, C.-T., Generation of flavor compounds by the reaction of 2-deoxyglucose with selected amino acids, J. Agric. Food Chem., 1997, 45, 1, 233-236, https://doi.org/10.1021/jf960609c . [all data]

Jordán, Goodner, et al., 2002
Jordán, M.J.; Goodner, K.L.; Shaw, P.E., Characterization of the aromatic profile in aqueous essence and fruit juice of yellow passion fruit (Passiflora edulis Sims F. Flavicarpa degner) by GC-MS and GC/O, J. Agric. Food Chem., 2002, 50, 6, 1523-1528, https://doi.org/10.1021/jf011077p . [all data]

Budryn, Nebesny, et al., 2011
Budryn, G.; Nebesny, E.; Kula, J.; Majda, T.; Krysiak, W., HS-SPME/GC/MS Profiles of convectively and microwave roasted Ivory Coast Robusta coffee brews, Czech. J. Food Sci., 2011, 29, 2, 151-160. [all data]

Moon and Shibamoto, 2010
Moon, J.-K.; Shibamoto, T., Formation of volatile chemicals from thermal degradation of less volatile cofee components: quinic acid, caffeic acid, and chlorogenic acid, J. Agric. Food Chem., 2010, 58, 9, 5465-5470, https://doi.org/10.1021/jf1005148 . [all data]

Nebesny, Budryn, et al., 2007
Nebesny, E.; Budryn, G.; Kula, J.; Majda, T., The effect of roasting method on headspace composition of robusta coffee bean aroma, Eur. Food Res. Technol., 2007, 225, 1, 9-19, https://doi.org/10.1007/s00217-006-0375-0 . [all data]

Osorio, Duque, et al., 2002
Osorio, C.; Duque, C.; Suarez, M.; Salamanca, L.E.; Uruena, F., Free, glycosidically bound, and phosphate bound flavor constituents of badea (Passiflora quadrangularis) fruit pulp, J. Sep. Sci., 2002, 25, 3, 147-154, https://doi.org/10.1002/1615-9314(20020201)25:3<147::AID-JSSC147>3.0.CO;2-G . [all data]

Sanz, Maeztu, et al., 2002
Sanz, C.; Maeztu, L.; Zapelena, M.J.; Bello, J.; Cid, C., Profiles of volatile compounds and sensory analysis of three blends of coffee: influence of different proportions of Arabica and Robusta and influence of roasting coffee with sugar, J. Sci. Food Agric., 2002, 82, 8, 840-847, https://doi.org/10.1002/jsfa.1110 . [all data]

Sanz, Ansorena, et al., 2001
Sanz, C.; Ansorena, D.; Bello, J.; Cid, C., Optimizing headspace temperature and time sampling for identification of volatile compounds in ground roasted Arabica coffee, J. Agric. Food Chem., 2001, 49, 3, 1364-1369, https://doi.org/10.1021/jf001100r . [all data]

Umano, Hagi, et al., 2000
Umano, K.; Hagi, Y.; Nakahara, K.; Shoji, A.; Shibamoto, T., Volatile chemicals identified in extracts from leaves of Japanese mugwort (Artemisia princeps Pamp.), J. Agric. Food Chem., 2000, 48, 8, 3463-3469, https://doi.org/10.1021/jf0001738 . [all data]

Werkhoff, Güntert, et al., 1998
Werkhoff, P.; Güntert, M.; Krammer, G.; Sommer, H.; Kaulen, J., Vacuum headspace method in aroma research: flavor chemistry of yellow passion fruits, J. Agric. Food Chem., 1998, 46, 3, 1076-1093, https://doi.org/10.1021/jf970655s . [all data]

Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F., Prediction of rentention idexes. II. Structure-retention index relationship on polar columns, J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F . [all data]

Baltes and Bochmann, 1987
Baltes, W.; Bochmann, G., Model reactions on roast aroma formations, V. Mass spectrometric identification of pyrifines, oxazoles, and carbocyclic compounds from the reaction of serine and threonine with sucrose under the conditions of coffee roasting, Z. Lebensm. Unters. Forsch., 1987, 185, 1, 5-9, https://doi.org/10.1007/BF01083331 . [all data]


Notes

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References