Isopropenylcyclopropane
- Formula: C6H10
- Molecular weight: 82.1436
- IUPAC Standard InChIKey: MKPHNILWOMCVTH-UHFFFAOYSA-N
- CAS Registry Number: 4663-22-3
- 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: Cyclopropane, (1-methylethenyl)-; Propene, 2-cyclopropyl-; 2-Cyclopropyl-1-propene; 2-Cyclopropylpropene; 1-Methylethenylcyclopropane; Isopropneylcyclopropane
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Condensed 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 |
---|---|---|---|---|---|
ΔcH°liquid | -920.0 | kcal/mol | Ccb | Tatevskii, Yarovoi, et al., 1973 | Corresponding ΔfHºliquid = 14.1 kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -865. | kcal/mol | Ccb | Slabey and Wise, 1952 | Corresponding ΔfHºliquid = -41. kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change 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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 343.5 ± 0.1 | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 170.81 | K | N/A | Slabey and Wise, 1952, 2 | Uncertainty assigned by TRC = 0.2 K |
Tfus | 170.81 | K | N/A | Anonymous, 1949 | Uncertainty assigned by TRC = 0.3 K |
Tfus | 170.81 | K | N/A | Slabey, Wise, et al., 1949 | Uncertainty assigned by TRC = 0.15 K |
Tfus | 170.79 | K | N/A | Van Volkenburgh, Greenlee, et al., 1949 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K |
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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C6H10+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 208.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 201.4 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.66 ± 0.05 | EI | Wolkoff, Holmes, et al., 1980 | LLK |
9.12 | PE | Dewar, Fonken, et al., 1976 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C5H7+ | 9.18 ± 0.05 | CH3 | EI | Wolkoff, Holmes, et al., 1980 | LLK |
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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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 | NIST Mass Spectrometry Data Center |
State | gas |
Instrument | HP-GC/MS/IRD |
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
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 | 445 |
Gas Chromatography
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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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Squalane | 27. | 615. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 616. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 617. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 619. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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.
Tatevskii, Yarovoi, et al., 1973
Tatevskii, V.M.; Yarovoi, S.S.; Grikina, O.E.; Pustovaya, O.E.,
Calculation of enthalpies of combustion and formation, molar volumes, and densities of hydrocarbons containing three-membered rings,
Vestn. Mosk. Univ. Ser. 2: Khim., 1973, 14, 3-12. [all data]
Slabey and Wise, 1952
Slabey, V.A.; Wise, P.H.,
The dehydration of methylalkylcyclopropylcarbinols. Isolation and purification of 2-cyclopropylalkenes,
J. Am. Chem. Soc., 1952, 74, 1473-1476. [all data]
Slabey and Wise, 1952, 2
Slabey, V.A.; Wise, P.H.,
The Dehydration of Methylalkylcyclopropylcarbinols. Isolation and Purification of 2-Cyclopropylalkenes,
J. Am. Chem. Soc., 1952, 74, 1473. [all data]
Anonymous, 1949
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 45, Ohio State Univ., 1949. [all data]
Slabey, Wise, et al., 1949
Slabey, V.A.; Wise, P.H.; Gibbons, L.C.,
Synthesis of isopropylcyclopropane,
J. Am. Chem. Soc., 1949, 71, 1518-9. [all data]
Van Volkenburgh, Greenlee, et al., 1949
Van Volkenburgh, R.; Greenlee, K.W.; Derfer, J.M.; Boord, C.E.,
The Synthesis of Some Cyclopropane Hydrocarbons From Methyl Cyclopropyl Ketone,
J. Am. Chem. Soc., 1949, 71, 172-5. [all data]
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]
Wolkoff, Holmes, et al., 1980
Wolkoff, P.; Holmes, J.L.; Lossing, F.P.,
On the formation of cyclopentenium cations from all C6H10+ molecular ion structures,
Can. J. Chem., 1980, 58, 251. [all data]
Dewar, Fonken, et al., 1976
Dewar, M.J.S.; Fonken, G.J.; Jones, T.B.; Minter, D.E.,
Photoelectron spectra of molecules. Part VII. Cyclopropylallenes,
J. Chem. Soc. Perkin Trans. 2, 1976, 764. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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