Phenazine
- Formula: C12H8N2
- Molecular weight: 180.2053
- IUPAC Standard InChIKey: PCNDJXKNXGMECE-UHFFFAOYSA-N
- CAS Registry Number: 92-82-0
- 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. - Other names: Azophenylene; Dibenzo-p-diazine; Dibenzopyrazine; 9,10-Diazaanthracene; Dibenzoparadiazine
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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 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
B - John E. Bartmess
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 224.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 217.1 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
1.31 ± 0.10 | IMRE | Dillow and Kebarle, 1989 | ΔGea(423 K) = -29.5 kcal/mol; ΔSea =-1.5, taken as that of anthracene, from Kebarle and Chowdhury, 1987. 9,10-diazaanthracene; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.33 | PE | Hush, Cheung, et al., 1975 | LLK |
8.44 ± 0.02 | PE | Maier, Muller, et al., 1975 | Vertical value; LLK |
8.33 ± 0.02 | PE | Hush, Cheung, et al., 1975 | 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- 113 |
NIST MS number | 228361 |
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
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 1703. | Ramsey, Lee, et al., 1980 | He, Chromosorb G HP (80-100 mesh); Column length: 1.5 m; Program: not specified |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Ultra-1 | 1670. | Okumura, 1991 | 25. m/0.32 mm/0.25 μm, He, 3. K/min; Tstart: 80. C; Tend: 260. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Ultra-1 | 1666. | Tameo and Kiyos, 1991 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 1703. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Other | Methyl Silicone | 1703. | Ardrey and Moffat, 1981 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 2557. | Tameo and Kiyos, 1991 | Program: not specified |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-52 | 294.37 | Vassilaros, Kong, et al., 1982 | 20. m/0.30 mm/0.25 μm, H2, 40. C @ 2. min, 4. K/min; Tend: 265. 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.
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]
Dillow and Kebarle, 1989
Dillow, G.W.; Kebarle, P.,
Electron Affinities of aza-substituted polycyclic aromatic hydrocarbons,
Can. J. Chem., 1989, 67, 10, 1628, https://doi.org/10.1139/v89-249
. [all data]
Kebarle and Chowdhury, 1987
Kebarle, P.; Chowdhury, S.,
Electron affinities and electron transfer reactions,
Chem. Rev., 1987, 87, 513. [all data]
Hush, Cheung, et al., 1975
Hush, N.S.; Cheung, A.S.; Hilton, P.R.,
Binding energies of π- and "lone pair"-levels in mono- and diaza-phenanthrenes and anthracenes: an He(I) photoelectron spectroscopic study,
J. Electron Spectrosc. Relat. Phenom., 1975, 7, 385. [all data]
Maier, Muller, et al., 1975
Maier, J.P.; Muller, J.-F.; Kubota, T.; Yamakawa, M.,
183. Ionisation energies and the electronic structures of the N-oxides of azanaphthalenes and azaanthracenes,
Helv. Chim. Acta, 1975, 58, 1641. [all data]
Ramsey, Lee, et al., 1980
Ramsey, J.D.; Lee, T.D.; Osselton, M.D.; Moffat, A.C.,
Gas-liquid chromatographic retention indices of 296 non-drug substances on SE-30 or OV-1 likely to be encountered in toxicological analyses,
J. Chromatogr., 1980, 184, 2, 185-206, https://doi.org/10.1016/S0021-9673(00)85641-1
. [all data]
Okumura, 1991
Okumura, T.,
retention indices of environmental chemicals on methyl silicone capillary column,
Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333
. [all data]
Tameo and Kiyos, 1991
Tameo, O.; Kiyos, I.,
Simultaneous determination of pesticides by capillary gas chromatography,
Cannot be traslated (in Japan), 1991, 14, 2, 109-122. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C.,
Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase,
J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1
. [all data]
Vassilaros, Kong, et al., 1982
Vassilaros, D.L.; Kong, R.C.; Later, D.W.; Lee, M.L.,
Linear retention index system for polycyclic aromatic compounds. Critical evaluation and additional indices,
J. Chromatogr., 1982, 252, 1-20, https://doi.org/10.1016/S0021-9673(01)88394-1
. [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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