1-Heptanamine
- Formula: C7H17N
- Molecular weight: 115.2166
- IUPAC Standard InChI: InChI=1S/C7H17N/c1-2-3-4-5-6-7-8/h2-8H2,1H3
- IUPAC Standard InChIKey: WJYIASZWHGOTOU-UHFFFAOYSA-N
- CAS Registry Number: 111-68-2
- 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: Heptylamine; n-Heptylamine; 1-Aminoheptane; CH3(CH2)6NH2; 1-Heptylamine
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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: Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -216.0 | kJ/mol | N/A | Lemoult, 1907 | Value computed using ΔfHliquid° value of -266 kj/mol from Lemoult, 1907 and ΔvapH° value of 49.96±0.08 kj/mol from missing citation. |
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
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 429. ± 3. | K | AVG | N/A | Average of 11 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 250.15 | K | N/A | Timmermans and Mattaar, 1921 | Uncertainty assigned by TRC = 0.6 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 49.98 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
| ΔvapH° | 49.9 | kJ/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 323. to 373. K.; AC |
| ΔvapH° | 50.0 ± 0.1 | kJ/mol | C | Wadsö, Heikkilä, et al., 1969 | AC |
| ΔvapH° | 49.96 ± 0.08 | kJ/mol | C | Wadso, 1969 | ALS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 46.5 | 341. | A | Stephenson and Malanowski, 1987 | Based on data from 326. to 430. K.; AC |
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.
Lemoult, 1907
Lemoult, M.P.,
Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques,
Ann. Chim. Phys., 1907, 12, 395-432. [all data]
Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F.,
Freezing points of orgainic substances VI. New experimental determinations.,
Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G.,
Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times,
Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3
. [all data]
Wadsö, Heikkilä, et al., 1969
Wadsö, Ingemar; Heikkilä, Jussi; Beagley, B.; Aalto, Tarja; Werner, Per-Erik; Junggren, Ulf; Lamm, Bo; Samuelsson, Benny,
Enthalpies of Vaporization of Organic Compounds. III. Amines.,
Acta Chem. Scand., 1969, 23, 2061-2064, https://doi.org/10.3891/acta.chem.scand.23-2061
. [all data]
Wadso, 1969
Wadso, I.,
Enthalpies of vaporization of organic compounds,
Acta Chem. Scand., 1969, 23, 2061. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions 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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