Propanenitrile
- Formula: C3H5N
- Molecular weight: 55.0785
- IUPAC Standard InChIKey: FVSKHRXBFJPNKK-UHFFFAOYSA-N
- CAS Registry Number: 107-12-0
- 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. - Isotopologues:
- Other names: Propionitrile; Cyanoethane; Ether cyanatus; Ethyl cyanide; Hydrocyanic ether; Propionic nitrile; Propiononitrile; Propylnitrile; C2H5CN; Ethylkyanid; Propannitril; Rcra waste number P101; UN 2404; n-Propanenitrile; NSC 7966
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Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, 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 C3H5N+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 11.85 ± 0.02 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 189.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 182.4 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Reference | Comment |
---|---|---|
0.015092 ± 0.000087 | Hammer, Diri, et al., 2003 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.5 ± 0.25 | EI | Chess, Lapp, et al., 1982 | LBLHLM |
11.90 | PE | Kimura, Katsumata, et al., 1981 | LLK |
11.85 ± 0.01 | PE | Staley, Kleckner, et al., 1976 | LLK |
11.85 | PE | Lake and Thompson, 1970 | RDSH |
11.84 ± 0.02 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH2N+ | 14.88 | ? | EI | Heerma, deRidder, et al., 1969 | RDSH |
C2H2+ | 14.70 | ? | EI | Heerma, deRidder, et al., 1969 | RDSH |
C2H3+ | 15.40 | ? | EI | Heerma, deRidder, et al., 1969 | RDSH |
C2H4+ | 12.40 ± 0.05 | HCN | EI | Franklin, Wada, et al., 1966 | RDSH |
C3H4N+ | 13.00 | H | EI | Heerma, deRidder, et al., 1969 | RDSH |
C3H4N+ | 12.55 ± 0.05 | H | EI | Franklin, Wada, et al., 1966 | RDSH |
De-protonation reactions
C3H4N- + =
By formula: C3H4N- + H+ = C3H5N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 375.0 ± 2.1 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 367.4 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
C3H4N- + =
By formula: C3H4N- + H+ = C3H5N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 392.0 ± 5.1 | kcal/mol | G+TS | Merrill, Dahlke, et al., 1996 | gas phase; comparable to H2O.; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 384.0 ± 5.0 | kcal/mol | IMRB | Merrill, Dahlke, et al., 1996 | gas phase; comparable to H2O.; B |
Vibrational and/or electronic energy levels
Go To: Top, 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: Takehiko Shimanouchi
Symmetry: Cs Symmetry Number σ = 1
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a' | 1 | CH3 d-str | 3001 | C | 3001 VS | liq. | 2999 S | liq. | OV(ν14) | |
a' | 2 | CH2 s-str | 2955 | C | 2955 VS | liq. | 2949 VS p | liq. | ||
a' | 3 | CH3 s-str | 2900 | C | 2900 S | liq. | 2898 S p | liq. | ||
a' | 4 | CN str | 2254 | C | 2254 VS | liq. | 2251 VS p | liq. | ||
a' | 5 | CH3 d-deform | 1465 | C | 1465 S | liq. | 1466 VS p | liq. | SF(ν16) | |
a' | 6 | CH2 scis | 1433 | C | 1433 S | liq. | 1436 M p | liq. | ||
a' | 7 | CH3 s-deform | 1387 | C | 1387 M | liq. | 1374 VW p | liq. | ||
a' | 8 | CH2 wag | 1319 | C | 1319 M | liq. | 1322 W p | liq. | ||
a' | 9 | C-CN str | 1077 | C | 1077 S | liq. | 1078 M p | liq. | ||
a' | 10 | CC str | 1005 | C | 1005 M | liq. | 1010 S p | liq. | ||
a' | 11 | CH3 rock | 836 | C | 836 W | liq. | 838 S p | liq. | ||
a' | 12 | CCC deform | 545 | C | 545 M | liq. | 548 M p | liq. | ||
a' | 13 | CCN bend | 226 | C | 226 M | liq. | 226 M p | liq. | ||
a | 14 | CH3 d-str | 3001 | C | 3001 VS | liq. | 2999 S | liq. | OV(ν1) | |
a | 15 | CH2 a-str | 2849 | C | 2849 S | liq. | 2850 M | liq. | ||
a | 16 | CH3 d-deform | 1465 | C | 1465 S | liq. | 1466 VS dp | liq. | SF(ν5) | |
a | 17 | CH2 twist | 1256 | C | 1256 VW | liq. | 1270 VW dp | liq. | ||
a | 18 | CH3 rock | 1022 | E | CF | |||||
a | 19 | CH2 rock | 786 | C | 786 M | liq. | 784 VW dp | liq. | ||
a | 20 | CCN bend | 378 | C | 378 M | liq. | 378 M dp | liq. | ||
a | 21 | Torsion | 222 | C | MW | |||||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
S | Strong |
M | Medium |
W | Weak |
VW | Very weak |
p | Polarized |
dp | Depolarized |
CF | Calculated frequency |
SF | Calculation shows that the frequency approximately equals that of the vibration indicated in the parentheses. |
OV | Overlapped by band indicated in parentheses. |
MW | Torsional Frequency calculated from microwave spectroscopic data. |
C | 3~6 cm-1 uncertainty |
E | 15~30 cm-1 uncertainty |
References
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Hammer, Diri, et al., 2003
Hammer, N.I.; Diri, K.; Jordan, K.D.; Desfrancois, C.; Compton, R.N.,
Dipole-bound anions of carbonyl, nitrile, and sulfoxide containing molecules,
J. Chem. Phys., 2003, 119, 7, 3650-3660, https://doi.org/10.1063/1.1590959
. [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]
Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S.,
Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules
in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]
Staley, Kleckner, et al., 1976
Staley, R.H.; Kleckner, J.E.; Beauchamp, J.L.,
Relationship between orbital ionization energies and molecular properties. Proton affinities and photoelectron spectra of nitriles,
J. Am. Chem. Soc., 1976, 98, 2081. [all data]
Lake and Thompson, 1970
Lake, R.F.; Thompson, H.,
The photoelectron spectra of some molecules containing the C N group,
Proc. Roy. Soc. (London), 1970, A317, 187. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Heerma, deRidder, et al., 1969
Heerma, W.; deRidder, J.J.; Dijkstra, G.,
The electron-impact-induced fragmentation of n-alkyl cyanides,
Org. Mass Spectrom., 1969, 2, 1103. [all data]
Franklin, Wada, et al., 1966
Franklin, J.L.; Wada, Y.; Natalis, P.; Hierl, P.M.,
Ion-molecule reactions in acetonitrile and propionitrile,
J. Phys. Chem., 1966, 70, 2353. [all data]
Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr.,
The gas phase acidity scale from methanol to phenol,
J. Am. Chem. Soc., 1979, 101, 6047. [all data]
Merrill, Dahlke, et al., 1996
Merrill, G.N.; Dahlke, G.D.; Kass, S.R.,
beta-Cyanoethyl Anion: Lusus Naturae,
J. Am. Chem. Soc., 1996, 118, 18, 4462, https://doi.org/10.1021/ja953796o
. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity IE (evaluated) Recommended ionization energy 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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