1,4-Naphthalenedione
- Formula: C10H6O2
- Molecular weight: 158.1534
- IUPAC Standard InChIKey: FRASJONUBLZVQX-UHFFFAOYSA-N
- CAS Registry Number: 130-15-4
- 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: 1,4-Naphthoquinone; α-Naphthoquinone; p-Naphthoquinone; 1,4-Dihydro-1,4-diketonaphthalene; 1,4-Naphthylquinone; 1,4-Naphthaquinone; USAF CY-10; 1,4-Naftochinon; Rcra waste number U166; NSC 9583; Naphthoquinone
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Gas phase ion energetics data
Go To: Top, 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:
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.5 ± 0.1 | eV | N/A | N/A | L |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
1.81 ± 0.11 | TDEq | Chowdhury, Heinis, et al., 1986 | ΔGea(423 K) = 40.2 kcal/mol; ΔSea = -4.0 eu; B |
1.804 ± 0.048 | IMRE | Fukuda and McIver, 1985 | ΔGea(355 K) = -40.2 kcal/mol; ΔSea =-4.0, est. from data in Heinis, Chowdhury, et al., 1988; B |
>0.799982 | ECD | Chen and Wentworth, 1983 | B |
>0.598425 | ES | Collins, Christophorou, et al., 1970 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.4 | PE | Millefiori, Gulino, et al., 1990 | LL |
9.67 ± 0.02 | PE | Redchenko, Freimanis, et al., 1980 | LLK |
9.49 | PE | Lauer, Schafer, et al., 1975 | LLK |
9.56 ± 0.01 | PI | Potapov and Sorokin, 1971 | LLK |
9.60 | PE | Millefiori, Gulino, et al., 1990 | Vertical value; LL |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H4+ | 15.7 ± 0.2 | ? | EI | Grutzmacher and Lohmann, 1967 | RDSH |
References
Go To: Top, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chowdhury, Heinis, et al., 1986
Chowdhury, S.; Heinis, T.; Grimsrud, E.P.; Kebarle, P.,
Entropy Changes and Electron Affinities from Gas-Phase Electron Transfer Equilibria: A- + B = A + B-,
J. Phys. Chem., 1986, 90, 12, 2747, https://doi.org/10.1021/j100403a037
. [all data]
Fukuda and McIver, 1985
Fukuda, E.K.; McIver, R.T., Jr.,
Relative electron affinities of substituted benzophenones, nitrobenzenes, and quinones. [Anchored to EA(SO2) from 74CEL/BEN],
J. Am. Chem. Soc., 1985, 107, 2291. [all data]
Heinis, Chowdhury, et al., 1988
Heinis, T.; Chowdhury, S.; Scott, S.L.; Kebarle, P.,
Electron Affinities of Benzo-, Naphtho-, and Anthraquinones Determined from Gas-Phase Equilibria Measurements,
J. Am. Chem. Soc., 1988, 110, 2, 400, https://doi.org/10.1021/ja00210a015
. [all data]
Chen and Wentworth, 1983
Chen, E.C.M.; Wentworth, W.E.,
Determination of molecular electron affinities using the electron capture detector in the pulse sampling mode at steady state,
J. Phys. Chem., 1983, 87, 45. [all data]
Collins, Christophorou, et al., 1970
Collins, P.M.; Christophorou, L.G.; Chaney, E.L.; Carter, J.G.,
Energy Dependence of the Electron Attachment Cross Section and the Transient Negative Ion Lifetime for p-Benzoquinone and 1,4-naphthoquinone,
Chem. Phys. Lett., 1970, 4, 10, 646, https://doi.org/10.1016/0009-2614(70)80108-7
. [all data]
Millefiori, Gulino, et al., 1990
Millefiori, S.; Gulino, A.; Casarin, M.,
UV Photoelectron spectra, reduction potentials and MO calculations of intramolecularly hydrogen-bonded naphtoquinones,
J. Chim. Phys., 1990, 87, 317. [all data]
Redchenko, Freimanis, et al., 1980
Redchenko, V.V.; Freimanis, Y.F.; Dregeris, Y.Y.,
Photoelectron Spectroscopy of 2,3-Disubtituted naphthoquinones,
J. Gen. Chem. USSR, 1980, 50, 1507, In original 1847. [all data]
Lauer, Schafer, et al., 1975
Lauer, G.; Schafer, W.; Schweig, A.,
Assignment of the four lowest ionized states of p-benzoquinone and the question of "lone pair" splitting in this system,
Chem. Phys. Lett., 1975, 33, 312. [all data]
Potapov and Sorokin, 1971
Potapov, V.K.; Sorokin, V.V.,
Photoionization and ion-molecule reactions in quinones and alcohols,
High Energy Chem., 1971, 5, 435, In original 487. [all data]
Grutzmacher and Lohmann, 1967
Grutzmacher, H.-F.; Lohmann, J.,
Massenspektrometrie instabiler organischer Molekule. I. Ionisations-potential und Bildungsenthalpie von Dehydrobenzol,
Ann. Chem., 1967, 705, 81. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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