Pentanamide
- Formula: C5H11NO
- Molecular weight: 101.1469
- IUPAC Standard InChIKey: IPWFJLQDVFKJDU-UHFFFAOYSA-N
- CAS Registry Number: 626-97-1
- 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: Valeramide; n-Valeramide; Pentanimidic acid
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Phase change data
Go To: Top, 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 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 | 379.0 | K | N/A | Davies, Jones, et al., 1959 | Uncertainty assigned by TRC = 0.6 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 21.3 ± 0.1 | kcal/mol | V | Davies, Jones, et al., 1959 | ALS |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
21.3 | 353. to 373. | N/A | Jones, 1960 | AC |
21.3 ± 0.1 | 333. to 374. | GS | Davies, Jones, et al., 1959 | See also Cox and Pilcher, 1970.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.28 | 377.2 | Abate, Badea, et al., 2008 | AC |
Mass spectrum (electron ionization)
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: 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-NW-1271 |
NIST MS number | 230762 |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Jones, 1960
Jones, A.H.,
Sublimation Pressure Data for Organic Compounds.,
J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019
. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [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]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tfus Fusion (melting) point 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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