Bicyclo[4.1.0]heptane
- Formula: C7H12
- Molecular weight: 96.1702
- IUPAC Standard InChIKey: WPHGSKGZRAQSGP-UHFFFAOYSA-N
- CAS Registry Number: 286-08-8
- 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: Norcarane; cis-Bicyclo[4.1.0]heptane
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Phase change data
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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
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 | 383. | K | N/A | Buckingham and Donaghy, 1982 | BS |
Tboil | 389. | K | N/A | Doering and Hoffman, 1964 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 389. | K | N/A | Simmons and Smith, 1959 | Uncertainty assigned by TRC = 2. K; TRC |
Tboil | 389. | K | N/A | Simmons and Smith, 1959 | Uncertainty assigned by TRC = 2. K; TRC |
Tboil | 389. | K | N/A | Doering and Hoffman, 1954 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 9.70 ± 0.05 | kcal/mol | N/A | Osmont, Catoire, et al., 2008 | AC |
ΔvapH° | 9.1 ± 0.2 | kcal/mol | V | Chang, McNally, et al., 1970 | ALS |
ΔvapH° | 9.08 | kcal/mol | N/A | Chang, McNally, et al., 1970 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.1 ± 0.2 | 313. | A | Stephenson and Malanowski, 1987 | Based on data from 298. to 385. K. See also Chang, McNally, et al., 1970.; AC |
8.72 | 348. | A | Stephenson and Malanowski, 1987 | Based on data from 333. to 385. K.; AC |
Gas phase ion energetics data
Go To: Top, Phase change 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 as indicated in comments:
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 C7H12+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.03 ± 0.02 | EI | Winters and Collins, 1968 | RDSH |
9.46 | PE | Heilbronner, Gleiter, et al., 1973 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C3H3+ | 12.53 ± 0.12 | ? | EI | Winters and Collins, 1968 | RDSH |
C3H5+ | 11.90 ± 0.10 | ? | EI | Winters and Collins, 1968 | RDSH |
C4H5+ | 12.42 ± 0.10 | ? | EI | Winters and Collins, 1968 | RDSH |
C4H6+ | 10.10 ± 0.09 | ? | EI | Winters and Collins, 1968 | RDSH |
C4H7+ | 10.27 ± 0.08 | ? | EI | Winters and Collins, 1968 | RDSH |
C5H7+ | 9.53 ± 0.07 | C2H5 | EI | Winters and Collins, 1968 | RDSH |
C5H8+ | 9.37 ± 0.07 | C2H4 | EI | Winters and Collins, 1968 | RDSH |
C6H9+ | 9.30 ± 0.09 | CH3 | EI | Winters and Collins, 1968 | RDSH |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Doering and Hoffman, 1964
Doering, W. vonE.; Hoffman, A.K.,
The Addition of Dichlorocarbene to Olefins,
J. Am. Chem. Soc., 1964, 76, 6162-5. [all data]
Simmons and Smith, 1959
Simmons, H.E.; Smith, R.D.,
A New Synthesis of Cyclopropanes,
J. Am. Chem. Soc., 1959, 81, 4256. [all data]
Doering and Hoffman, 1954
Doering, W. vonE.; Hoffman, A.K.,
J. Am. Chem. Soc., 1954, 76, 6162. [all data]
Osmont, Catoire, et al., 2008
Osmont, Antoine; Catoire, Laurent; Gokalp, Iskender,
Physicochemical Properties and Thermochemistry of Propellanes,
Energy Fuels, 2008, 22, 4, 2241-2257, https://doi.org/10.1021/ef8000423
. [all data]
Chang, McNally, et al., 1970
Chang, Sho-ju.; McNally, D.; Shary-Tehrany, S.; Hickey, S.M.J.; Boyd, R.H.,
The heats of combustion and strain energies of bicylo[n.m.O]alkanes,
J. Am. Chem. Soc., 1970, 92, 3109-3118. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Winters and Collins, 1968
Winters, R.E.; Collins, J.H.,
Mass spectrometric studies of structural isomers. I. Mono- and bicyclic C7H12 molecules,
J. Am. Chem. Soc., 1968, 90, 1235. [all data]
Heilbronner, Gleiter, et al., 1973
Heilbronner, E.; Gleiter, R.; Hoshi, T.; Meijere, A.,
The interaction of Walsh-orbitals in diademane and related hydrocarbons,
Helv. Chim. Acta, 1973, 56, 1594. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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