2-Pyridinecarbonitrile
- Formula: C6H4N2
- Molecular weight: 104.1094
- IUPAC Standard InChIKey: FFNVQNRYTPFDDP-UHFFFAOYSA-N
- CAS Registry Number: 100-70-9
- 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: Picolinonitrile; Picolinic acid nitrile; 2-Cyanopyridine; 2-Pyridyl nitrile; Pyridine-2-carbonitrile
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 280.7 ± 1.5 | kJ/mol | Ccb | Bickerton, Pilcher, et al., 1984 |
Condensed phase thermochemistry data
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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°solid | 210.0 ± 0.9 | kJ/mol | Ccb | Bickerton, Pilcher, et al., 1984 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -3142.7 ± 0.5 | kJ/mol | Ccb | Bickerton, Pilcher, et al., 1984 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
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.
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 486.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 497.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 485. to 488. | K | N/A | Frinton Laboratories Inc., 1986 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 302.15 | K | N/A | Waclawek and Hurwic, 1967 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 70.7 ± 1.2 | kJ/mol | C | Bickerton, Pilcher, et al., 1984 | ALS |
ΔsubH° | 70.7 | kJ/mol | N/A | Bickerton, Pilcher, et al., 1984 | DRB |
ΔsubH° | 70.7 ± 1.2 | kJ/mol | C | Bickerton, Pilcher, et al., 1984 | AC |
Gas phase ion energetics data
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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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 872.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 841. | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.5 ± 0.1 | EI | Stefanovic and Grutzmacher, 1974 | LLK |
10.33 ± 0.05 | EI | Distefano, Foffani, et al., 1971 | LLK |
10.33 | EI | Distefano, Foffani, et al., 1971, 2 | LLK |
10.12 | PE | Kobayashi and Nagakura, 1974 | Vertical value; LLK |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, 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: 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 | NIST Mass Spectrometry Data Center, 1994 |
NIST MS number | 135665 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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.
Bickerton, Pilcher, et al., 1984
Bickerton, J.; Pilcher, G.; Al-Takhin, G.,
Enthalpies of combustion of the three aminopyridines and the three cyanopyridines,
J. Chem. Thermodyn., 1984, 16, 373-378. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
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]
Frinton Laboratories Inc., 1986
Frinton Laboratories Inc.,
Catalog Number 11, Frinton Laboratories Inc., Vineland, NJ, 1986, 99. [all data]
Waclawek and Hurwic, 1967
Waclawek, Z.; Hurwic, J.,
Dipole moment and spectroscopic studies of the 1,3,5-trinitrobenzene complexes with some pyridine derivatives in nonpolar solvents,
Rocz. Chem., 1967, 41, 1993. [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]
Stefanovic and Grutzmacher, 1974
Stefanovic, D.; Grutzmacher, H.F.,
The ionisation potential of some substituted pyridines,
Org. Mass Spectrom., 1974, 9, 1052. [all data]
Distefano, Foffani, et al., 1971
Distefano, G.; Foffani, A.; Innorta, G.; Pignataro, S.,
Mass spectrometric study of transition metal complexes with ligands having nitrogen or sulphur as donor atom,
Adv. Mass Spectrom., 1971, 5, 696. [all data]
Distefano, Foffani, et al., 1971, 2
Distefano, G.; Foffani, A.; Innorta, G.; Pignataro, S.,
Electron impact ionization potentials of some manganese, chromium and tungsten organometallic derivatives,
Int. J. Mass Spectrom. Ion Phys., 1971, 7, 383. [all data]
Kobayashi and Nagakura, 1974
Kobayashi, T.; Nagakura, S.,
Photoelectron spectra of aminopyridines and cyanopyridines,
J. Electron Spectrosc. Relat. Phenom., 1974, 4, 207. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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