Heptanonitrile
- Formula: C7H13N
- Molecular weight: 111.1848
- IUPAC Standard InChIKey: SDAXRHHPNYTELL-UHFFFAOYSA-N
- CAS Registry Number: 629-08-3
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Other names: Hexyl cyanide; Heptanenitrile; Enanthonitrile; n-Hexyl cyanide; n-Heptanenitrile; 1-Heptanonitrile; 1-Cyanohexane; Heptyl nitrile; heptane-1-nitrile
- Information on this page:
- Other data available:
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Gas 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°gas | -31. ± 1. | kJ/mol | Ccb | Lebedeva and Katin, 1973 | Heat of combustion is not reported |
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 | -82.8 ± 0.8 | kJ/mol | Ccb | Lebedeva and Katin, 1973 | Heat of combustion is not reported |
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 | 453. ± 6. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 209.35 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 210.55 | K | N/A | Merckx, Verhulst, et al., 1933 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 209.15 | K | N/A | Timmermans and Mattaar, 1921 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 51. ± 2. | kJ/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
46.0 | 328. | A | Stephenson and Malanowski, 1987 | Based on data from 313. to 473. K.; AC |
46.4 | 309. | N/A | Stull, 1947 | Based on data from 294. to 457. K.; AC |
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 by: Michael M. Meot-Ner (Mautner)
Proton affinity at 298K
Proton affinity (kJ/mol) | Reference |
---|---|
805.4 | Cao and Holmes, 1999 |
809. | Cao and Holmes, 1999 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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.
Lebedeva and Katin, 1973
Lebedeva, N.D.; Katin, Yu.A.,
Heats of combustion of oenanthonitrile, adiponitrile, and tetramethylsuccinodinitrile,
Russ. J. Phys. Chem. (Engl. Transl.), 1973, 47, 922. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Merckx, Verhulst, et al., 1933
Merckx, R.; Verhulst, J.; Bruylants, P.,
Refractometric Investigations of the Normal Saturated Nitriles.,
Bull. Soc. Chim. Belg., 1933, 42, 177. [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]
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]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Cao and Holmes, 1999
Cao, J.; Holmes, J.L.,
Determining the proton affinities of nitriles by the kinetic method,
European J. Mass Spectrometry, 1999, 5, 19-22. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid 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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