1,1'-Bicyclopropyl
- Formula: C6H10
- Molecular weight: 82.1436
- IUPAC Standard InChIKey: PGPFRBIKUWKSTJ-UHFFFAOYSA-N
- CAS Registry Number: 5685-46-1
- 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: Bicyclopropyl; Cyclopropane, cyclopropyl-
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 31.0 ± 1.2 | kcal/mol | Ccb | Beezer, Luttke, et al., 1966 | ALS |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
17.21 | 200. | Godunov I.A., 1991 | GT |
25.825 | 298.15 | ||
26.004 | 300. | ||
35.480 | 400. | ||
43.585 | 500. | ||
50.086 | 600. | ||
55.330 | 700. | ||
59.651 | 800. | ||
63.284 | 900. | ||
66.381 | 1000. |
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 |
---|---|---|---|---|---|
ΔfH°liquid | 22.95 ± 0.90 | kcal/mol | Ccb | Beezer, Luttke, et al., 1966 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -928.80 ± 0.80 | kcal/mol | Ccb | Beezer, Luttke, et al., 1966 | Corresponding ΔfHºliquid = 22.92 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 349.25 | K | N/A | Slabey, 1952 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 190.53 | K | N/A | Slabey, 1952 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 7.6 ± 0.1 | kcal/mol | C | Pashchenko and Kuznetsova, 2007 | AC |
ΔvapH° | 8.0 ± 0.3 | kcal/mol | E | Beezer, Luttke, et al., 1966 | ALS |
ΔvapH° | 8.13 | kcal/mol | N/A | Beezer, Luttke, et al., 1966 | DRB |
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:
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 C6H10+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.9 | PE | Spanget-Larsen, Gleiter, et al., 1982 | LBLHLM |
9.12 ± 0.05 | EI | Wolkoff, Holmes, et al., 1980 | LLK |
9.04 | PE | Bodor, Dewar, et al., 1970 | RDSH |
8.80 ± 0.02 | EI | Winters and Collins, 1969 | RDSH |
9.5 | PE | Spanget-Larsen, Gleiter, et al., 1982 | Vertical value; LBLHLM |
9.6 | PE | Asmus and Klessinger, 1976 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C3H3+ | 11.99 ± 0.18 | ? | EI | Winters and Collins, 1969 | RDSH |
C3H5+ | 10.64 ± 0.14 | ? | EI | Winters and Collins, 1969 | RDSH |
C4H5+ | 11.22 ± 0.14 | ? | EI | Winters and Collins, 1969 | RDSH |
C4H6+ | 9.34 ± 0.06 | ? | EI | Winters and Collins, 1969 | RDSH |
C5H5+ | 12.20 ± 0.13 | ? | EI | Winters and Collins, 1969 | RDSH |
C5H7+ | 9.34 ± 0.05 | CH3 | EI | Wolkoff, Holmes, et al., 1980 | LLK |
C5H7+ | 9.12 ± 0.08 | CH3 | EI | Winters and Collins, 1969 | RDSH |
C6H7+ | 10.97 ± 0.19 | H2+H | EI | Winters and Collins, 1969 | RDSH |
C6H9+ | 9.33 ± 0.15 | H | EI | Winters and Collins, 1969 | RDSH |
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. |
---|---|
NIST MS number | 456 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, 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.
Beezer, Luttke, et al., 1966
Beezer, A.E.; Luttke, W.; Meijere, A.; Mortimer, C.T.,
Heat of formation of bicyclopropyl,
J. Chem. Soc. B, 1966, 648-649. [all data]
Godunov I.A., 1991
Godunov I.A.,
Bicyclopropyl: molecular internal rotation potential functions and thermodynamic properties,
Zh. Fiz. Khim., 1991, 65, 3254-3259. [all data]
Slabey, 1952
Slabey, V.A.,
Reaction of Cyclopropyl Chloride with Lithium. Isolation of Dicyclopropyl,
J. Am. Chem. Soc., 1952, 74, 4928-30. [all data]
Pashchenko and Kuznetsova, 2007
Pashchenko, L.L.; Kuznetsova, T.S.,
The enthalpies of vaporization of some hydrocarbons with three-membered rings,
Russ. J. Phys. Chem., 2007, 81, 11, 1738-1742, https://doi.org/10.1134/S0036024407110040
. [all data]
Spanget-Larsen, Gleiter, et al., 1982
Spanget-Larsen, J.; Gleiter, R.; Gubernator, K.; Ternansky, R.J.; Paquette, L.A.,
Electronic and molecular structure of simple bicyclopropyls. Photoelectron spectroscopy and model calculations,
J. Org. Chem., 1982, 47, 3082. [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]
Bodor, Dewar, et al., 1970
Bodor, N.; Dewar, M.J.S.; Worley, S.D.,
Photoelectron spectra of molecules. III. Ionization potentials of some cyclic hydrocarbons and their derivatives, and heats of formation and ionization potentials calculated by the MINDO SCF MO method,
J. Am. Chem. Soc., 1970, 92, 19. [all data]
Winters and Collins, 1969
Winters, R.E.; Collins, J.H.,
Mass spectrometric studies of structural isomers. II.Mono- and bicyclic C6H10 molecules,
Org. Mass Spectrom., 1969, 2, 299. [all data]
Asmus and Klessinger, 1976
Asmus, P.; Klessinger, M.,
Wechselwirkung der Walsh-Orbitale in Bicyclopropyl,
Angew. Chem., 1976, 88, 343. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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