Methyl isocyanide
- Formula: C2H3N
- Molecular weight: 41.0519
- IUPAC Standard InChI: InChI=1S/C2H3N/c1-3-2/h1H3
- IUPAC Standard InChIKey: ZRKSVHFXTRFQFL-UHFFFAOYSA-N
- CAS Registry Number: 593-75-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Methane, isocyano-; Isocyanomethane; Methyl isonitrile; CH3NC
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 39.1 ± 1.7 | kcal/mol | Cm | Baghal-Vayjooee, Collister, et al., 1977 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 41.32 ± 0.24 kcal/mol; Heat of isomerization; ALS |
| ΔfH°gas | 34.13 | kcal/mol | N/A | Lemoult, 1906 | Value computed using ΔfHliquid° value of 112.0 kj/mol from Lemoult, 1906 and ΔvapH° value of 30.8 kj/mol from Baghal-Vayjooee, Collister, et al., 1977.; DRB |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, 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°liquid | 31.7 ± 1.7 | kcal/mol | Cm | Baghal-Vayjooee, Collister, et al., 1977 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 33.95 ± 0.35 kcal/mol; Heat of isomerization |
| ΔfH°liquid | 26.7 | kcal/mol | Ccb | Lemoult, 1906 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -318.7 | kcal/mol | Ccb | Lemoult and Jungfleisch, 1909 | |
| ΔcH°liquid | -318.7 | kcal/mol | Ccb | Lemoult, 1906 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed 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:
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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 228.15 | K | N/A | Gautier, 1869 | Uncertainty assigned by TRC = 3. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 7.37 ± 0.25 | kcal/mol | V | Baghal-Vayjooee, Collister, et al., 1977 | Heat of isomerization; ALS |
| ΔvapH° | 7.36 | kcal/mol | N/A | Baghal-Vayjooee, Collister, et al., 1977 | DRB |
References
Go To: Top, Gas phase thermochemistry data, Condensed 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.
Baghal-Vayjooee, Collister, et al., 1977
Baghal-Vayjooee, M.H.; Collister, J.L.; Pritchard, H.O.,
The enthalpy of isomerisation of methyl isocyanide,
Can. J. Chem., 1977, 55, 2634-2636. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Lemoult, 1906
Lemoult, P.,
Carbylamines et nitriles.,
Compt. Rend., 1906, 143, 902-904. [all data]
Lemoult and Jungfleisch, 1909
Lemoult, M.P.; Jungfleisch, M.E.,
Thermochimie. - Comparaisons entre les nitriles et les carbylamines,
Compt. Rend., 1909, 148, 1602-1604. [all data]
Gautier, 1869
Gautier, A.,
Ann. Chim. Phys., 1869, 17, 103. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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