Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

NOTICE: Due to scheduled maintenance at our Gaithersburg campus, this site will not be available from 5:00 pm EDT (21:00 UTC) on Friday October 25 until 5:00 pm (21:00 UTC) on Sunday October 27. We apologize for any inconvenience this outage may cause.

4-Cyclopentene-1,3-dione


Gas phase ion energetics data

Go To: Top, 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:
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
B - John E. Bartmess

Electron affinity determinations

EA (eV) Method Reference Comment
1.14 ± 0.13IMREPaul and Kebarle, 1989«DELTA»Gea(423 K) = -25.8±1 kcal/mol, «DELTA»S(est) = -1±3 eu; B

Ionization energy determinations

IE (eV) Method Reference Comment
9.6PEGleiter, Dobler, et al., 1982LBLHLM
9.8PEGleiter, Dobler, et al., 1982Vertical value; LBLHLM
10.25PEBain and Frost, 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C4H4O+10.88COEIBurgers, Holmes, et al., 1982LBLHLM

Mass spectrum (electron ionization)

Go To: Top, Gas phase ion energetics data, 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

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

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 Chuck Anderson, Aldrich Chemical Co.
NIST MS number 108298

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, Gas phase ion energetics data, 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

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

View large format table.

Column type Active phase I Reference Comment
CapillarySPB-5884.Deport, Ratel, et al., 200660. m/0.32 mm/1. «mu»m, He, 40. C @ 5. min, 3. K/min, 230. C @ 5. min
CapillaryBPX-5911.Ames, Guy, et al., 200150. m/0.32 mm/0.25 «mu»m, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min

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

View large format table.

Column type Active phase I Reference Comment
CapillaryCP-Wax 52CB1576.Mahadevan and Farmer, 200660. C @ 5. min, 4. K/min, 220. C @ 30. min; Column length: 50. m; Column diameter: 0.32 mm

Van Den Dool and Kratz RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillarySupelcowax-101605.Bianchi, Careri, et al., 200730. m/0.25 mm/0.25 «mu»m, He; Program: 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min)

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-5 MS880.Kim and Chung, 200930. m/0.25 mm/0.25 «mu»m, Helium, 35. C @ 5. min, 2. K/min, 195. C @ 30. min
CapillaryDB-1846.Tai and Ho, 199860. m/0.32 mm/1.0 «mu»m, He, 2. K/min; Tstart: 40. C; Tend: 280. C

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax1535.Guo, Wu, et al., 200830. m/0.25 mm/0.25 «mu»m, Helium, 60. C @ 2. min, 10. K/min, 250. C @ 10. min
CapillaryCarbowax 20M1548.Kawakami and Kobayashi, 1991He, 60. C @ 4. min, 2. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tend: 180. C

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax1573.Gonzalez-Rios, Suarez-Quiroz, et al., 200730. m/0.25 mm/0.25 «mu»m, Hydrogen; Program: 44 0C 3 0C/min -> 170 0C 8 0C/min -> 250 0C

References

Go To: Top, Gas phase ion energetics data, 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.

Paul and Kebarle, 1989
Paul, G.; Kebarle, P., Electron Affinities of Cyclic Unsaturated Dicarbonyls: Maleic Anhydrides, Maleimides, and Cyclopentendione, J. Am. Chem. Soc., 1989, 111, 2, 464, https://doi.org/10.1021/ja00184a009 . [all data]

Gleiter, Dobler, et al., 1982
Gleiter, R.; Dobler, W.; Eckert-Maksic, M., The electronic structure of o-tropoquinone, p-tropoquinone, and cyclopentene-1,2,3-trione - PE spectroscopic investigations, Nouv. J. Chim., 1982, 6, 123. [all data]

Bain and Frost, 1973
Bain, A.D.; Frost, D.C., Studies of the carbonyl group in some five-membered ring compounds by photoelectron spectroscopy, Can. J. Chem., 1973, 51, 1245. [all data]

Burgers, Holmes, et al., 1982
Burgers, P.C.; Holmes, J.L.; Lossing, F.P.; Mommers, A.A.; Povel, F.R.; Terlouw, J.K., Isomeric and tautomeric [C4H4O]+ ions. Their thermochemistry and collisionally induced fragmentation characteristics, Can. J. Chem., 1982, 60, 2246. [all data]

Deport, Ratel, et al., 2006
Deport, C.; Ratel, J.; Berdagué, J.-L.; Engel, E., Comprehensive combinatory standard correction: A calibration method for handling instrumental drifts of gas chromatography-mass spectrometry systems, J. Chromatogr. A, 2006, 1116, 1-2, 248-258, https://doi.org/10.1016/j.chroma.2006.03.092 . [all data]

Ames, Guy, et al., 2001
Ames, J.M.; Guy, R.C.E.; Kipping, G.J., Effect of pH, temperature, and moisture on the formation of volatile compounds in glycine/glucose model systems, J. Agric. Food Chem., 2001, 49, 9, 4315-4323, https://doi.org/10.1021/jf010198m . [all data]

Mahadevan and Farmer, 2006
Mahadevan, K.; Farmer, L., Key Odor Impact Compounds in Three Yeast Extract Pastes, J. Agric. Food Chem., 2006, 54, 19, 7242-7250, https://doi.org/10.1021/jf061102x . [all data]

Bianchi, Careri, et al., 2007
Bianchi, F.; Careri, M.; Mangia, A.; Musci, M., Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness, J. Sep. Sci., 2007, 39, 4, 563-572, https://doi.org/10.1002/jssc.200600393 . [all data]

Kim and Chung, 2009
Kim, J.-S.; Chung, H.Y., GC-MS analysis of the volatile components in dried boxthorn (Lycium chimensis) Fruit, J. Korean Soc. Appl. Biol. Chem., 2009, 52, 5, 516-524, https://doi.org/10.3839/jksabc.2009.088 . [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]

Guo, Wu, et al., 2008
Guo, L.; Wu, J.-Z.; Han, T.; Cao, T.; Rahman, K.; Qin, L.-P., Chemical composition, antifungal and antitumor properties of ether extracts of Scapania verrucosa Heeg. and its endophytic fungus Chaetomium fusiforme, Molecules, 2008, 13, 9, 2114-2125, https://doi.org/10.3390/molecules13092114 . [all data]

Kawakami and Kobayashi, 1991
Kawakami, M.; Kobayashi, A., Volatitle constituents of greem mate and roasted mate, J. Agric. Food Chem., 1991, 39, 7, 1275-1279, https://doi.org/10.1021/jf00007a016 . [all data]

Gonzalez-Rios, Suarez-Quiroz, et al., 2007
Gonzalez-Rios, O.; Suarez-Quiroz, M.L.; Boulanger, R.; Barel, M.; Guyot, B.; Guiraud, J.-P.; Schorr-Galindo, S., Impact of ecological post-harvest processing of coffee aroma: II Roasted coffee., J. Food Composition Analysis, 2007, 20, 3-4, 297-307, https://doi.org/10.1016/j.jfca.2006.12.004 . [all data]


Notes

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References