Cyclopropane
- Formula: C3H6
- Molecular weight: 42.0797
- IUPAC Standard InChIKey: LVZWSLJZHVFIQJ-UHFFFAOYSA-N
- CAS Registry Number: 75-19-4
- 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: Trimethylene; Trimethylene (cyclic); UN 1027; Cyclopropnane
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Gas phase ion energetics data
Go To: Top, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
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
View reactions leading to C3H6+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.86 ± 0.04 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 179.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 172.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.90 | PI | Traeger, 1984 | LBLHLM |
9.86 | EQ | Lias and Buckley, 1984 | LBLHLM |
10.60 | PE | Kimura, Katsumata, et al., 1981 | LLK |
9.8 ± 0.1 | PE | Bieri, Burger, et al., 1977 | LLK |
10.3 ± 0.1 | EI | Rothgery, Holt, et al., 1975 | LLK |
9.91 ± 0.03 | PI | Krassig, Reinke, et al., 1974 | LLK |
≤9.93 | EI | Lossing, 1972 | LLK |
≤9.8 | PE | Basch, Robin, et al., 1969 | RDSH |
10.1 | CI | Cermak, 1968 | RDSH |
10.06 ± 0.03 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
10.54 | PE | Plemenkov, Villem, et al., 1981 | Vertical value; LLK |
10.6 ± 0.1 | PE | Bieri, Burger, et al., 1977 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH2+ | 19.3 | C2H4 | EI | Haney and Franklin, 1968 | RDSH |
C2H2+ | 12.71 ± 0.06 | CH4 | PI | Krassig, Reinke, et al., 1974 | LLK |
C2H2+ | 13.1 | CH4 | EI | Haney and Franklin, 1968 | RDSH |
C2H3+ | 12.64 ± 0.05 | CH3 | PI | Krassig, Reinke, et al., 1974 | LLK |
C2H3+ | 13.4 | CH3 | EI | Haney and Franklin, 1968 | RDSH |
C2H3+ | 13.3 ± 0.2 | CH3 | EI | Harrison and Tait, 1962 | RDSH |
C3H+ | 19.7 ± 0.5 | 2H2+H | EI | Harrison and Tait, 1962 | RDSH |
C3H3+ | 12.1 ± 0.1 | H2+H(-) | PI | Krassig, Reinke, et al., 1974 | LLK |
C3H3+ | 12.9 ± 0.1 | H2+H | PI | Krassig, Reinke, et al., 1974 | LLK |
C3H3+ | 13.7 ± 0.1 | H2+H | EI | Harrison and Tait, 1962 | RDSH |
C3H4+ | 11.64 ± 0.15 | H2 | PI | Krassig, Reinke, et al., 1974 | LLK |
C3H4+ | 11.6 ± 0.1 | H2 | EI | Harrison and Tait, 1962 | RDSH |
C3H5+ | 11.43 | H | PI | Traeger, 1984 | LBLHLM |
C3H5+ | 11.47 | H | PI | Buttrill, Williamson, et al., 1975 | LLK |
C3H5+ | 10.74 ± 0.09 | H(-) | PI | Krassig, Reinke, et al., 1974 | LLK |
C3H5+ | 11.44 ± 0.05 | H | PI | Krassig, Reinke, et al., 1974 | LLK |
C3H5+ | 11.49 | H | EI | Lossing, 1972 | LLK |
De-protonation reactions
C3H5- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 410. ± 3. | kcal/mol | AVG | N/A | Average of 5 out of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 401. ± 3. | kcal/mol | AVG | N/A | Average of 3 out of 6 values; Individual data points |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, 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 |
---|---|---|---|---|---|
Capillary | BPX-5 | 30. | 356. | Aflalaye, Sternberg, et al., 1995 | 12. m/0.15 mm/0.25 μm, H2 |
Capillary | BPX-5 | 30. | 357. | Aflalaye, Sternberg, et al., 1995 | 12. m/0.15 mm/0.25 μm, H2 |
Capillary | CP Sil 5 CB | 20. | 348.8 | Do and Raulin, 1992 | 25. m/0.15 mm/2. μm, H2 |
Packed | Squalane | 27. | 344. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 345. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 346. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 347. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 367. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 331. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxanes | 331. | Zenkevich, Chupalov, et al., 1996 | Program: not specified |
Packed | SE-30 | 351. | Robinson and Odell, 1971 | N2, Chromosorb W; Column length: 6.1 m; Program: 50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold) |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 405. | Peng, Yang, et al., 1991 | Program: not specified |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Traeger, 1984
Traeger, J.C.,
A study of the allyl cation thermochemistry by photoionization mass spectrometry,
Int. J. Mass Spectrom. Ion Processes, 1984, 58, 259. [all data]
Lias and Buckley, 1984
Lias, S.G.; Buckley, T.J.,
Structures and reactions of C3H6+ ions generated in cyclopropane,
Int. J. Mass Spectrom. Ion Processes, 1984, 56, 123. [all data]
Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S.,
Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules
in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]
Bieri, Burger, et al., 1977
Bieri, G.; Burger, F.; Heilbronner, E.; Maier, J.P.,
Valence ionization enrgies of hydrocarbons,
Helv. Chim. Acta, 1977, 60, 2213. [all data]
Rothgery, Holt, et al., 1975
Rothgery, E.F.; Holt, J.; McGee, H.A., Jr.,
Cryochemical synthesis and molecular energetics of cyclopropanone and some related compounds,
J. Am. Chem. Soc., 1975, 97, 4971. [all data]
Krassig, Reinke, et al., 1974
Krassig, R.; Reinke, D.; Baumgartel, H.,
Photo-reaktionen kleiner organischer molekule II. Die photoionenspektren der Isomeren propylen-cyclopropan und acetaldehyd-athylenoxyd,
Ber. Bunsen-Ges. Phys. Chem., 1974, 78, 425. [all data]
Lossing, 1972
Lossing, F.P.,
Free radicals by mass spectrometry. XLV. Ionization potentials and heats of formation of C3H3, C3H5, and C4H7 radicals and ions,
Can. J. Chem., 1972, 50, 3973. [all data]
Basch, Robin, et al., 1969
Basch, H.; Robin, M.B.; Kuebler, N.A.; Baker, C.; Turner, D.W.,
Optical and photoelectron spectra of small rings. III. The saturated three-membered rings,
J. Chem. Phys., 1969, 51, 52. [all data]
Cermak, 1968
Cermak, V.,
Penning ionization electron spectroscopy. I. Determination of ionization potentials of polyatomic molecules,
Collection Czech. Chem. Commun., 1968, 33, 2739. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Plemenkov, Villem, et al., 1981
Plemenkov, V.V.; Villem, Y.Y.; Villem, N.V.; Bolesov, I.G.; Surmina, L.S.; Yakushkina, N.I.; Formanovskii, A.A.,
Photoelectron spectra of polyalkylcyclopropenes and polyalkylcyclopropanes,
Zh. Obshch. Khim., 1981, 51, 2076. [all data]
Haney and Franklin, 1968
Haney, M.A.; Franklin, J.L.,
Correlation of excess energies of electron-impact dissociations with the translational energies of the products,
J.Chem. Phys., 1968, 48, 4093. [all data]
Harrison and Tait, 1962
Harrison, A.G.; Tait, J.M.S.,
Concurrent ion-molecule reactions leading to the same product ion,
Can. J. Chem., 1962, 40, 1986. [all data]
Buttrill, Williamson, et al., 1975
Buttrill, S.E., Jr.; Williamson, A.D.; LeBreton, P.,
Photoionization measurement of the heat of formation of allyl cations,
J. Chem. Phys., 1975, 62, 1586. [all data]
Aflalaye, Sternberg, et al., 1995
Aflalaye, A.; Sternberg, R.; Raulin, F.; Vidal-Madjar, C.,
Gas chromatography of Titan's atmosphere. VI. Analysis of low-molecular-mass hydrocarbons and nitriles with BPX5 capillary columns,
J. Chromatogr. A, 1995, 708, 2, 283-291, https://doi.org/10.1016/0021-9673(95)00410-O
. [all data]
Do and Raulin, 1992
Do, L.; Raulin, F.,
Gas chromatography of Titan's atmosphere. III. Analysis of low-molecular-weight hydrocarbons and nitriles with a CP-Sil-5 CB WCOT capillary column,
J. Chromatogr., 1992, 591, 1-2, 297-301, https://doi.org/10.1016/0021-9673(92)80247-R
. [all data]
Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E.,
Variation of the retention index with temperature on squalane substrates,
J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203
. [all data]
Peng, Ding, et al., 1988
Peng, C.T.; Ding, S.F.; Hua, R.L.; Yang, Z.C.,
Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns,
J. Chromatogr., 1988, 436, 137-172, https://doi.org/10.1016/S0021-9673(00)94575-8
. [all data]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Zenkevich, Chupalov, et al., 1996
Zenkevich, I.G.; Chupalov, A.A.; Herzschuh, R.,
Correlation of the Increments of Gas Chromatographic Retention Indices with the Differences of Innermolecular Energies of Reagents and Products of Chemical Reactions,
Zh. Org. Khim. (Rus.), 1996, 32, 11, 1685-1691. [all data]
Robinson and Odell, 1971
Robinson, P.G.; Odell, A.L.,
A system of standard retention indices and its uses. The characterisation of stationary phases and the prediction of retention indices,
J. Chromatogr., 1971, 57, 1-10, https://doi.org/10.1016/0021-9673(71)80001-8
. [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]
Notes
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy 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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