Ethyl isocyanide
- Formula: C3H5N
- Molecular weight: 55.0785
- IUPAC Standard InChIKey: BPCWCZCOOFUXGQ-UHFFFAOYSA-N
- CAS Registry Number: 624-79-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Ethyl carbylamine; Ethane, isocyano-; Isocyanoethane; C2H5NC; Carbylamine, ethyl-; Ethylisokyanid; Ethylkarbylamin; Ethyl isonitrile
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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 | 132.6 | kJ/mol | N/A | Lemoult, 1906 | Value computed using ΔfHliquid° value of 99.6 kj/mol from Lemoult, 1906 and ΔvapH° value of 33 kj/mol from missing citation. |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics 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 | 99.6 | kJ/mol | Ccb | Lemoult, 1906 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -2005. | kJ/mol | Ccb | Lemoult and Jungfleisch, 1909 | |
ΔcH°liquid | -2005. | kJ/mol | Ccb | Lemoult, 1906 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics 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 |
---|---|---|---|---|---|
ΔvapH° | 33. | kJ/mol | V | Baghal-Vayjooee, Collister, et al., 1977 | Heat of isomerization |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C3H5N+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 851.3 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 818.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.2 ± 0.25 | EI | Chess, Lapp, et al., 1982 | LBLHLM |
11.38 | EI | Heerma and deRidder, 1970 | RDSH |
11.2 ± 0.1 | EI | Gillis and Occolowitz, 1963 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H2N+ | 14.17 | CH3 | EI | Heerma and deRidder, 1970 | RDSH |
C2H4+ | 12.83 | ? | EI | Heerma and deRidder, 1970 | RDSH |
C2H5+ | 12.94 | CN | EI | Heerma and deRidder, 1970 | RDSH |
C3H4N+ | 12.51 | H | EI | Heerma and deRidder, 1970 | RDSH |
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.
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]
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]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Chess, Lapp, et al., 1982
Chess, E.K.; Lapp, R.L.; Gross, M.L.,
The question of tautomerism of alkylnitrile and isonitrile radical cations,
Org. Mass Spectrom., 1982, 17, 475. [all data]
Heerma and deRidder, 1970
Heerma, W.; deRidder, J.J.,
The electron-impact induced fragmentation of some alkyl isocyanides and alpha-branched alkyl cyanides,
Org. Mass Spectrom., 1970, 3, 1439. [all data]
Gillis and Occolowitz, 1963
Gillis, R.G.; Occolowitz, J.L.,
Isocyanides. III. Electron impact study of aliphatic isocyanides,
J. Org. Chem., 1963, 28, 2924. [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:
AE Appearance energy 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.