3-Heptanone
- Formula: C7H14O
- Molecular weight: 114.1855
- IUPAC Standard InChIKey: NGAZZOYFWWSOGK-UHFFFAOYSA-N
- CAS Registry Number: 106-35-4
- 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: n-Butyl ethyl ketone; Butyl ethyl ketone; Ethyl butyl ketone; Heptan-3-one; n-C4H9COC2H5; Aethylbutylketon; Eptan-3-one; Ethyl n-butyl ketone; Ethylbutylcetone; Ethylbutylketon; Etilbutilchetone; Heptan-3-on; n-Heptan-3-one; 3-Oxoheptane; NSC 8448
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Phase change data
Go To: Top, Gas phase ion energetics 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 420. ± 4. | K | AVG | N/A | Average of 14 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 606.6 | K | N/A | Pulliam, Gude, et al., 1994 | Uncertainty assigned by TRC = 0.25 K; by the sealed ampule method; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.31 | mol/l | N/A | Pulliam, Gude, et al., 1994 | Uncertainty assigned by TRC = 0.03 mol/l; TRC |
Gas phase ion energetics data
Go To: Top, 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 evaluated as indicated in comments:
L - Sharon G. Lias
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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.15 ± 0.09 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.18 | PI | Traeger and McAdoo, 1986 | LBLHLM |
9.26 | EI | Holmes, Fingas, et al., 1981 | LLK |
9.02 ± 0.02 | PE | Ashmore and Burgess, 1978 | LLK |
9.15 ± 0.02 | PE | Cocksey, Eland, et al., 1971 | LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H3O+ | 11.29 | C2H5+C3H6 | PI | Traeger and McAdoo, 1986 | LBLHLM |
C2H3O+ | 11.8 ± 0.1 | C2H5+C3H6 | EI | Lifshitz, Berger, et al., 1983 | LBLHLM |
C4H8O+ | 9.82 | C3H6 | EI | Holmes and Lossing, 1980 | LLK |
C4H8O+ | 10.3 ± 0.3 | C3H6 | EI | Yeo and Williams, 1969 | RDSH |
C5H9O+ | 10.8 ± 0.3 | C2H5 | EI | Yeo and Williams, 1969 | RDSH |
IR Spectrum
Go To: Top, Phase change data, 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
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 |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, Gas phase ion energetics 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
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. |
---|---|
NIST MS number | 1766 |
References
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pulliam, Gude, et al., 1994
Pulliam, M.K.; Gude, M.T.; Teja, A.S.,
The Critical Properties of Twelve Isomeric n-Alkanones with Six to Nine Carbon Atoms,
Experimental Results for DIPPR 1990-91 Projects on Phase Equilibria and Pure Component Properties, 1994, 1994, DIPPR Data Ser. No. 2, p. 184-87. [all data]
Traeger and McAdoo, 1986
Traeger, J.C.; McAdoo, D.J.,
Decomposition thresholds and associated translational energy releases for eight C4H8O+ isomers,
Int. J. Mass Spectrom. Ion Processes, 1986, 68, 35. [all data]
Holmes, Fingas, et al., 1981
Holmes, J.L.; Fingas, M.; Lossing, F.P.,
Towards a general scheme for estimating the heats of formation of organic ions in the gas phase. Part I. Odd-electron cations,
Can. J. Chem., 1981, 59, 80. [all data]
Ashmore and Burgess, 1978
Ashmore, F.S.; Burgess, A.R.,
Photoelectron spectra of the unbranched C5-C7 alkenes, aldehydes and ketones,
J. Chem. Soc. Faraday Trans. 2, 1978, 74, 734. [all data]
Cocksey, Eland, et al., 1971
Cocksey, B.J.; Eland, J.H.D.; Danby, C.J.,
The effect of alkyl substitution on ionisation potential,
J. Chem. Soc., 1971, (B), 790. [all data]
Lifshitz, Berger, et al., 1983
Lifshitz, C.; Berger, P.; Tzidony, E.,
Kinetic energy release distributions (KERDs) for the dissociation of metastable enol ions,
Chem. Phys. Lett., 1983, 95, 109. [all data]
Holmes and Lossing, 1980
Holmes, J.L.; Lossing, F.P.,
Gas-phase heats of formation of keto and enol ions of carbonyl compounds.,
J. Am. Chem. Soc., 1980, 102, 1591. [all data]
Yeo and Williams, 1969
Yeo, A.N.H.; Williams, D.H.,
Internal hydrogen rearrangement as a function of ion lifetime in the mass spectra of aliphatic ketones,
J. Am. Chem. Soc., 1969, 91, 3582. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy Tboil Boiling point Tc Critical temperature ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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