Octanamide
- Formula: C8H17NO
- Molecular weight: 143.2267
- IUPAC Standard InChIKey: LTHCSWBWNVGEFE-UHFFFAOYSA-N
- CAS Registry Number: 629-01-6
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Caprylamide
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, 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 |
---|---|---|---|---|---|
ΔcH°solid | -1220.00 ± 0.20 | kcal/mol | Ccb | Young, Keith, et al., 1956 | Reanalyzed by Cox and Pilcher, 1970, Original value = -1218.5 ± 0.2 kcal/mol; see Dzombak, 1956 |
Phase change data
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), Gas Chromatography, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 378.8 | K | N/A | Davies, Jones, et al., 1959 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tfus | 378.65 | K | N/A | Schneider, Adkins, et al., 1952 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 381.9 | K | N/A | Krafft and Stauffer, 1882 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 26.4 ± 0.7 | kcal/mol | V | Davies, Jones, et al., 1959 | ALS |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
26.41 ± 0.69 | 325. to 374. | GS,ME | Davies, Jones, et al., 1959 | See also Stephenson and Malanowski, 1987.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.60 | 377. | DSC | Abate, Badea, et al., 2008 | AC |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-IW-6473 |
NIST MS number | 243311 |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, Phase change 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Ultra-1 | 1326. | Okumura, 1991 | 25. m/0.32 mm/0.25 μm, He, 3. K/min; Tstart: 80. C; Tend: 260. C |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Young, Keith, et al., 1956
Young, J.A.; Keith, J.E.; Stehle, P.; Dzombak, W.C.; Hunt, H.,
Heats of combustion of some organic nitrogen compounds,
Ind. Eng. Chem., 1956, 48, 1375-1378. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Dzombak, 1956
Dzombak, W.C.,
The heats of combustion of some amides and amines, Dissertation Abstr,, 1956, 22-23. [all data]
Davies, Jones, et al., 1959
Davies, M.; Jones, A.H.; Thomas, G.H.,
The lattice energies of the straight-chain primary amides,
Trans. Faraday Soc., 1959, 55, 1100. [all data]
Schneider, Adkins, et al., 1952
Schneider, H.-J.; Adkins, H.; McElvain, S.M.,
The Hydrogenation of Amides and Ammonium Salts. The Transalkylation of Tertiary Amines,
J. Am. Chem. Soc., 1952, 74, 4287. [all data]
Krafft and Stauffer, 1882
Krafft, F.; Stauffer, B.,
The nitriles c(n)h(2n+2)cn of the higher fatty acids,
Ber. Dtsch. Chem. Ges., 1882, 15, 1728-31. [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]
Abate, Badea, et al., 2008
Abate, Lorenzo; Badea, Elena; Blanco, Ignazio; Della Gatta, Giuseppe,
Heat Capacities and Enthalpies of Solid-Solid Transitions and Fusion of a Series of Eleven Primary Alkylamides by Differential Scanning Calorimetry,
J. Chem. Eng. Data, 2008, 53, 4, 959-965, https://doi.org/10.1021/je700662a
. [all data]
Okumura, 1991
Okumura, T.,
retention indices of environmental chemicals on methyl silicone capillary column,
Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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