Tetracyanoethylene
- Formula: C6N4
- Molecular weight: 128.0910
- IUPAC Standard InChIKey: NLDYACGHTUPAQU-UHFFFAOYSA-N
- CAS Registry Number: 670-54-2
- 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: Ethenetetracarbonitrile; δ2,2'-Bimalononitrile; Ethene, tetracyano-; Ethylenetetracarbonitrile; Tetracyanoethene; TCNE; (NC)2CC(CN)2; Tetrakyanethylen; 1,1,2,2-Tetracyanoethene; 1,1,2,2-Tetracyanoethylene; Ethylene, tetracyano-; 1,1,2,2-Ethenetetracarbonitrile; NSC 24833
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Gas phase ion energetics data
Go To: Top, 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
3.160 ± 0.020 | LPES | Khuseynov, Fontana, et al., 2012 | B |
3.17 ± 0.20 | IMRE | Chowdhury and Kebarle, 1986 | ΔGea(423 K) = -73.0 kcal/mol; ΔSea (estimated) = 0. eu.; B |
2.30 ± 0.30 | LPD | Lyons and Palmer, 1976 | B |
1.70 ± 0.30 | LPD | Lyons and Palmer, 1975 | B |
2.030 ± 0.052 | PD | Lyons and Palmer, 1973 | B |
2.884 ± 0.061 | SI | Farragher and Page, 1967 | The Magnetron method, lacking mass analysis, is not considered reliable.; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.765 ± 0.008 | PI | Knowles and Nicholson, 1974 | LLK |
11.67 ± 0.02 | PI | Kotov and Potapov, 1972 | LLK |
11.79 ± 0.05 | PE | Houk and Munchausen, 1976 | Vertical value; LLK |
Mass spectrum (electron ionization)
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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 | Japan AIST/NIMC Database- Spectrum MS-NW-1390 |
NIST MS number | 233488 |
References
Go To: Top, 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.
Khuseynov, Fontana, et al., 2012
Khuseynov, D.; Fontana, M.T.; Sanov, A.,
Photoelectron spectroscopy and photochemistry of tetracyanoethylene radical anion in the gas phase,
Chem. Phys. Lett., 2012, 550, 15-18, https://doi.org/10.1016/j.cplett.2012.08.035
. [all data]
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]
Lyons and Palmer, 1976
Lyons, L.E.; Palmer, L.D.,
The electron affinity of tetracyanoethylene and other organic electron acceptors,
Aust. J. Chem., 1976, 29, 1919. [all data]
Lyons and Palmer, 1975
Lyons, L.E.; Palmer, L.D.,
A Surface ionization source and quadrupole mass filter for photodetachment studies,
Int. J. Mass Spectrom. Ion Phys., 1975, 16, 431. [all data]
Lyons and Palmer, 1973
Lyons, L.E.; Palmer, L.D.,
Photodetachment of electrons from tetracyanoethylene nNegative ions,
Chem. Phys. Lett., 1973, 21, 442. [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]
Knowles and Nicholson, 1974
Knowles, D.J.; Nicholson, A.J.C.,
Ionization energies of formic and acetic acid monomers,
J. Chem. Phys., 1974, 60, 1180. [all data]
Kotov and Potapov, 1972
Kotov, B.V.; Potapov, V.K.,
Ionization potentials of strong organic electron acceptors,
Khim. Vys. Energ., 1972, 6, 375. [all data]
Houk and Munchausen, 1976
Houk, K.N.; Munchausen, L.L.,
Ionization potentials, electron affinities, reactivities of cyanoalkenes related electron-deficient alkenes. A frontier molecular orbital treatment of cyanoalkene reactivities in cycloaddition, electrophilic, nucleophilic, and radical reactions.,
J. Am. Chem. Soc., 1976, 98, 937. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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