Propiolonitrile
- Formula: C3HN
- Molecular weight: 51.0467
- IUPAC Standard InChIKey: LNDJVIYUJOJFSO-UHFFFAOYSA-N
- CAS Registry Number: 1070-71-9
- 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: Cyanoacetylene; HC≡CCN; Cyanaethylene; Cyanoethyne; Propynenitrile; 2-Propynenitrile
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Phase change data
Go To: Top, Gas phase ion energetics 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: Robert L. Brown and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 315.7 | K | N/A | Weast and Grasselli, 1989 |
Gas phase ion energetics data
Go To: Top, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C3HN+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 11.62 ± 0.03 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 179.5 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 172.2 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
1.040 ± 0.050 | LPES | Goebbert, Khuseynov, et al., 2010 | Stated electron affinity is the Vertical Detachment Energy; B |
2.56 ± 0.22 | R-A | Heni and Illenberger, 1986 | From CH2=CHCN. Isomer? G3MP2B3 calculations indicate an EA of ca. 0.05 eV; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.56 ± 0.04 | EI | Harland, 1986 | LBLHLM |
11.64 ± 0.01 | PI | Okabe and Dibeler, 1973 | LLK |
11.6 | S | Narayan, 1972 | LLK |
11.60 ± 0.01 | PE | Baker and Turner, 1968 | RDSH |
11.6 ± 0.2 | EI | Dibeler, Reese, et al., 1961 | RDSH |
11.75 | PE | Asbrink, Von Niessen, et al., 1980 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH+ | 21.9 ± 0.3 | ? | EI | Dibeler, Reese, et al., 1961 | RDSH |
CN+ | 19.96 ± 0.08 | C2H | EI | Harland, 1986 | LBLHLM |
CN+ | 19.8 ± 0.2 | C2H | EI | Dibeler, Reese, et al., 1961 | RDSH |
C2+ | 18.6 ± 0.2 | ? | EI | Dibeler, Reese, et al., 1961 | RDSH |
C2H+ | 18.84 ± 0.08 | CN | EI | Harland, 1986 | LBLHLM |
C2H+ | 18.19 ± 0.04 | CN | PI | Okabe and Dibeler, 1973 | LLK |
C2H+ | 19.0 ± 0.2 | CN | EI | Dibeler, Reese, et al., 1961 | RDSH |
C2N+ | 18.0 ± 0.5 | CH | EI | Dibeler, Reese, et al., 1961 | RDSH |
C3+ | 24.5 ± 0.5 | ? | EI | Dibeler, Reese, et al., 1961 | RDSH |
C3H+ | 17.76 ± 0.08 | N | EI | Harland, 1986 | LBLHLM |
C3H+ | 18.0 ± 0.2 | N | EI | Dibeler, Reese, et al., 1961 | RDSH |
C3N+ | 17.78 ± 0.08 | H | EI | Harland, 1986 | LBLHLM |
C3N+ | 18.2 ± 0.3 | H | EI | Dibeler, Reese, et al., 1961 | RDSH |
De-protonation reactions
C3N- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 350.6 ± 2.1 | kcal/mol | G+TS | Taft, Abboud, et al., 1988 | gas phase; B |
ΔrH° | 344.0 ± 3.5 | kcal/mol | EIAE | Graupner, Merrigan, et al., 2006 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 342.9 ± 2.0 | kcal/mol | IMRE | Taft, Abboud, et al., 1988 | gas phase; B |
Mass spectrum (electron ionization)
Go To: Top, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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 | NIST Mass Spectrometry Data Center, 1990. |
NIST MS number | 118857 |
References
Go To: Top, Phase change data, Gas phase ion energetics 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.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]
Goebbert, Khuseynov, et al., 2010
Goebbert, D.J.; Khuseynov, D.; Sanov, A.,
Photoelectron Imiaging Spectrum of Cyanovinylidene and Cyanoacetylene anion,
J. Phys. Chem. A, 2010, 114, 6, 2259, https://doi.org/10.1021/jp9106102
. [all data]
Heni and Illenberger, 1986
Heni, M.; Illenberger, E.,
Electron attachment by saturated nitriles. Acrylonitrile (CH2H3CN), and benzonitrile (C6H5CN),
Int. J. Mass Spectrom. Ion Phys., 1986, 73, 127. [all data]
Harland, 1986
Harland, P.W.,
Appearance energies and enthalpies of formation from ionization of cyanoacetylene by "monochromatic" electron impact,
Int. J. Mass Spectrom. Ion Phys., 1986, 70, 231. [all data]
Okabe and Dibeler, 1973
Okabe, H.; Dibeler, V.H.,
Photon impact studies of C2HCN and CH3CN in the vacuum ultraviolet; heats of formation of C2H and CH3CN,
J. Chem. Phys., 1973, 59, 2430. [all data]
Narayan, 1972
Narayan, B.,
Spectra and ionization potential of cyanoacetylene,
Proc. Indian Acad. Sci. Sect. A, 1972, 75, 92. [all data]
Baker and Turner, 1968
Baker, C.; Turner, D.W.,
High resolution molecular photoelectron spectroscopy. III.Acetylenes and azaacetylenes,
Proc. Roy. Soc. (London), 1968, A308, 19. [all data]
Dibeler, Reese, et al., 1961
Dibeler, V.H.; Reese, R.M.; Franklin, J.L.,
Mass spectrometric study of cyanogen and cyanoacetylenes,
J. Am. Chem. Soc., 1961, 83, 1813. [all data]
Asbrink, Von Niessen, et al., 1980
Asbrink, L.; Von Niessen, W.; Bieri, G.,
30.4-nm He(II) photoelectron spectra of organic molecules,
J. Electron Spectrosc. Relat. Phenom., 1980, 21, 93. [all data]
Taft, Abboud, et al., 1988
Taft, R.W.; Abboud, J.L.M.; Anvia, F.; Berthelot, M.; Fujio, M.; Gal, J.-F.; Headley, A.D.; Henderson, W.G.,
Regarding the Inherent Dependence of Resonance Effects of Strongly Conjugated Substituents on Electron Demand,
J. Am. Chem. Soc., 1988, 110, 6, 1797, https://doi.org/10.1021/ja00214a023
. [all data]
Graupner, Merrigan, et al., 2006
Graupner, K.; Merrigan, T.L.; Field, T.A.; Youngs, T.G.A.; Marr, P.C.,
Dissociative Electron Attachment to HCCCN,
New J. Phys., 2006, , 117 (2006), 7, 117, https://doi.org/10.1088/1367-2630/8/7/117
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy EA Electron affinity IE (evaluated) Recommended ionization energy Tboil Boiling point ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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