Cyclopropylamine
- Formula: C3H7N
- Molecular weight: 57.0944
- IUPAC Standard InChI: InChI=1S/C3H7N/c4-3-1-2-3/h3H,1-2,4H2
- IUPAC Standard InChIKey: HTJDQJBWANPRPF-UHFFFAOYSA-N
- CAS Registry Number: 765-30-0
- 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: Cyclopropanamine; Aminocyclopropane
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Gas phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 18.42 ± 0.16 | kcal/mol | Ccb | Good and Moore, 1971 |
Phase change data
Go To: Top, Gas phase thermochemistry 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 323.7 | K | N/A | Weast and Grasselli, 1989 | BS |
| Tboil | 322.65 | K | N/A | Diallo, Nguyen, et al., 1987 | Uncertainty assigned by TRC = 1.5 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Ttriple | 237.76 | K | N/A | Finke, Messerly, et al., 1981 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 7.47 ± 0.10 | kcal/mol | V | Good and Moore, 1971 | ALS |
| ΔvapH° | 7.48 | kcal/mol | N/A | Good and Moore, 1971 | DRB |
| ΔvapH° | 7.48 ± 0.1 | kcal/mol | EB | Good and Moore, 1971 | AC |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 3.150 | 237.8 | Acree, 1991 | AC |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 3.15091 | 237.76 | crystaline, I | liquid | Finke, Messerly, et al., 1981, 2 | DH |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 13.25 | 237.76 | crystaline, I | liquid | Finke, Messerly, et al., 1981, 2 | DH |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Good and Moore, 1971
Good, W.D.; Moore, R.T.,
The enthalpies of combustion and formation of cyclopropylamine, The C-N thermochemical bond energy,
J. Chem. Thermodyn., 1971, 3, 701-705. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Diallo, Nguyen, et al., 1987
Diallo, A.O.; Nguyen, V.T.; Rossi, I.,
Infrared spectra and conformation of cyclopropylamine, CPA,
Spectrochim. Acta, Part A, 1987, 43, 415. [all data]
Finke, Messerly, et al., 1981
Finke, H.L.; Messerly, J.F.; Lee-Bechtold, S.H.,
Thermodynamic properties of cyclopropylamine,cyclopentylamine,and methylenecyclobutane,
J. Chem. Thermodyn., 1981, 13, 345. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Finke, Messerly, et al., 1981, 2
Finke, H.L.; Messerly, J.F.; Lee-Bechtold, S.H.,
Thermodynamic properties of cyclopropylamine, cyclopentylamine, and methylenecyclobutane,
J. Chem. Thermodyn., 1981, 13, 345-355. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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