Succinimide
- Formula: C4H5NO2
- Molecular weight: 99.0880
- IUPAC Standard InChI: InChI=1S/C4H5NO2/c6-3-1-2-4(7)5-3/h1-2H2,(H,5,6,7)
- IUPAC Standard InChIKey: KZNICNPSHKQLFF-UHFFFAOYSA-N
- CAS Registry Number: 123-56-8
- 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: 2,5-Pyrrolidinedione; Butanimide; Succinic acid imide; Succinic imide; 2,5-Diketopyrrolidine; 2,5-Dioxopyrrolidine; Succinimide-Sauba; 3,4-Dihydropyrrole-2,5-dione; Dihydro-3-pyrroline-2,5-dione; Lubrizol 6406; NSC 11204
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -89.75 ± 0.36 | kcal/mol | Ccb | Yan and Pilcher, 1990 | Author was aware that data differs from previously reported values; Heat of combustion NR |
| ΔfH°gas | -86.6 ± 2.2 | kcal/mol | Ccb | Steele, Chirico, et al., 1989 | Hfusion=12.32 kJ/mol |
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 as indicated in comments:
B - John E. Bartmess
ALS - 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
C4H4NO2- + =
By formula: C4H4NO2- + H+ = C4H5NO2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 345.4 ± 2.3 | kcal/mol | G+TS | Cumming and Kebarle, 1978 | gas phase; B |
| ΔrH° | 329.7 ± 4.6 | kcal/mol | EIAE | Cooper and Compton, 1973 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 338.0 ± 2.0 | kcal/mol | IMRE | Cumming and Kebarle, 1978 | gas phase; B |
+ 0.5
=
+
+ 0.5
By formula: C4H4BrNO2 + 0.5H4N2 = HBr + C4H5NO2 + 0.5N2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -62.22 ± 0.11 | kcal/mol | Cm | Howard and Skinner, 1966 | solid phase; solvent: Aqueous solution; Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -62.55 ± 0.11 kcal/mol; ALS |
+ 0.5
=
+
+ 0.5
By formula: C4H4ClNO2 + 0.5H4N2 = C4H5NO2 + HCl + 0.5N2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -67.78 ± 0.07 | kcal/mol | Cm | Howard and Skinner, 1966 | solid phase; solvent: Aqueous solution; ALS |
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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.01 | PE | Worley, Gerson, et al., 1978 | Vertical value; LLK |
| 10.01 | PE | Gerson, Worley, et al., 1978 | Vertical value; LLK |
De-protonation reactions
C4H4NO2- + =
By formula: C4H4NO2- + H+ = C4H5NO2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 345.4 ± 2.3 | kcal/mol | G+TS | Cumming and Kebarle, 1978 | gas phase; B |
| ΔrH° | 329.7 ± 4.6 | kcal/mol | EIAE | Cooper and Compton, 1973 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 338.0 ± 2.0 | kcal/mol | IMRE | Cumming and Kebarle, 1978 | gas phase; B |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
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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
Spectrum
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Additional Data
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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- 421 |
| NIST MS number | 228398 |
UV/Visible 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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Download spectrum in JCAMP-DX format.
| Source | Saidel, 1953 |
|---|---|
| Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
| Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
| Source reference | RAS UV No. 786 |
| Instrument | n.i.g. |
| Melting point | 126.5 |
| Boiling point | 287 dec |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Yan and Pilcher, 1990
Yan, Y.M.; Pilcher, G.,
Enthalpies of combustion of succinic anhydride, glutaric anhydride, and glutarimide,
J. Chem. Thermodyn., 1990, 22, 893-898. [all data]
Steele, Chirico, et al., 1989
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K.,
Determination of some pure compound ideal-gas enthalpies of formation,
AIChE Symp. Ser., 1989, 85, 140-162. [all data]
Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P.,
Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A),
Can. J. Chem., 1978, 56, 1. [all data]
Cooper and Compton, 1973
Cooper, C.D.; Compton, R.N.,
Electron attachment and cesium collisional ionization studies of tetrafluorosuccinic and hexafluoroglutaric anhydrides: Molecular electron affinities,
J. Chem. Phys., 1973, 59, 3550. [all data]
Howard and Skinner, 1966
Howard, P.B.; Skinner, H.A.,
Thermochemistry of some reactions of aqueous hydrazine with halogens, hydrogen halides and N-halogenosuccinimides,
J. Chem. Soc. A, 1966, 1536-1540. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Worley, Gerson, et al., 1978
Worley, S.D.; Gerson, S.H.; Bodor, N.; Kaminski, J.J.; Flechtner, T.W.,
On the structure of N-chlorosuccinimide and N-bromosuccinimide. A photoelectron spectroscopic study,
J. Chem. Phys., 1978, 68, 1313. [all data]
Gerson, Worley, et al., 1978
Gerson, S.H.; Worley, S.D.; Bodor, N.; Kaminski, J.J.; Flechtner, T.W.,
The photoelectron spectra of some heterocyclic compounds which contain N, O, Cl, and Br,
J. Electron Spectrosc. Relat. Phenom., 1978, 13, 421. [all data]
Saidel, 1953
Saidel, L.J.,
Contribution of the ultra-violet absorption spectrum of asparagine to the problem of its structure,
Nature (London), 1953, 172, 955-956. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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