1,2-Benzenedicarbonitrile
- Formula: C8H4N2
- Molecular weight: 128.1308
- IUPAC Standard InChIKey: XQZYPMVTSDWCCE-UHFFFAOYSA-N
- CAS Registry Number: 91-15-6
- 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: Phthalonitrile; o-Benzenedicarbonitrile; o-Cyanobenzonitrile; o-Dicyanobenzene; Phthalodinitrile; 1,2-Dicyanobenzene; o-Phthalodinitrile; o-PDN; Phthalic acid dinitrile; USAF ND-09; 1,2-Benzodinitrile; 1,2-Benzendikarbonitril; Ftalodinitril; Ftalonitril; o-Benzenedinitrile; NSC 17562
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Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.954 ± 0.087 | TDEq | Chowdhury and Kebarle, 1986 | ΔGea(423 K) = -22.3 kcal/mol; ΔSea (estimated) = +1.0 eu.; B |
1.11 ± 0.13 | SI | Farragher and Page, 1967 | The Magnetron method, lacking mass analysis, is not considered reliable.; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.9 | PE | Palmer, Moyes, et al., 1980 | LLK |
9.9 | PE | Neijzen and DeLange, 1978 | LLK |
10.27 | PE | Palmer, Moyes, et al., 1980 | Vertical value; LLK |
10.10 | PE | Neijzen and DeLange, 1978 | Vertical value; LLK |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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 | Japan AIST/NIMC Database- Spectrum MS-NW- 408 |
NIST MS number | 228962 |
Gas Chromatography
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | ZB-5 | 1304. | Kluchinsky, Sheely, et al., 2002 | 30. m/0.25 mm/0.25 μm, He, 10. K/min, 200. C @ 2. min; Tstart: 40. C |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chowdhury and Kebarle, 1986
Chowdhury, S.; Kebarle, P.,
Electron affinities of di- and tetracyanoethylene and cyanobenzenes based on measurements of gas-phase electron transfer equilibria,
J. Am. Chem. Soc., 1986, 108, 5453. [all data]
Farragher and Page, 1967
Farragher, A.L.; Page, F.M.,
Experimental Determination of Electron Affinities. Part 11. - Electron Capture by Some Cyanocarbons and Related Compounds,
Trans. Farad. Soc., 1967, 63, 2369, https://doi.org/10.1039/tf9676302369
. [all data]
Palmer, Moyes, et al., 1980
Palmer, M.H.; Moyes, W.; Spiers, M.,
The electronic structure of substituted benzenes: Ab initio calculations and photoelectron spectra for benzonitrile, the tolunitriles, fluorobenzonitriles, dicyanobenzenes and ethynylbenzene,
J. Mol. Struct., 1980, 62, 165. [all data]
Neijzen and DeLange, 1978
Neijzen, B.J.M.; DeLange, C.A.,
Photoelectron spectroscopy of mono-dicyanobenzenes their perfluoro derivatives,
J. Electron Spectrosc. Relat. Phenom., 1978, 14, 187. [all data]
Kluchinsky, Sheely, et al., 2002
Kluchinsky, T.A., Jr.; Sheely, M.V.; Savage, P.B.; Smith, P.A.,
Formation of 2-chlorobenzylidenemalononitrile (CS riot control agent) thermal degradation products at elevated temperatures,
J. Chromatogr. A, 2002, 952, 1-2, 205-213, https://doi.org/10.1016/S0021-9673(02)00096-1
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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