Tetrathiafulvalene
- Formula: C6H4S4
- Molecular weight: 204.356
- IUPAC Standard InChIKey: FHCPAXDKURNIOZ-UHFFFAOYSA-N
- CAS Registry Number: 31366-25-3
- 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: 1,3-Dithiole, 2-(1,3-dithiol-2-ylidene)-; Δ2,2'-Bi-1,3-dithiole; 1,4,5,8-Tetrathiafulvalene; δ-2:2'-bis(1,3-dithiazole)
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Condensed phase thermochemistry data
Go To: Top, 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°solid | 69.51 ± 0.41 | kcal/mol | Ccr | Metzger, 1977 | Heat of formation H2SO4.60H2O=-598.98kJ/mol |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1343.09 ± 0.39 | kcal/mol | Ccr | Metzger, 1977 | Heat of formation H2SO4.60H2O=-598.98kJ/mol |
Phase change 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: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
22.8 | 343. | Dykyj, Svoboda, et al., 1999 | Based on data from 331. to 355. K. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
22.8 ± 0.2 | 345. | TE,ME | de Kruif and Govers, 1980 | |
22. ± 1.5 | 351. | HSA | Sandman, Epstein, et al., 1979 | Based on data from 341. to 361. K. |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, Phase change 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
6.3 | PE | Kobayashi, Yoshida, et al., 1984 | LBLHLM |
7.00 | CTS | Engler, Kaufman, et al., 1975 | LLK |
6.72 | PE | Kobayashi, Yoshida, et al., 1984 | Vertical value; LBLHLM |
6.83 | PE | Gleiter, Kobayashi, et al., 1975 | Vertical value; LLK |
6.92 ± 0.03 | PE | Berlinsky, Carolan, et al., 1974 | Vertical value; LLK |
6.83 | PE | Gleiter, Schmidt, et al., 1973 | Vertical value; LLK |
Mass spectrum (electron ionization)
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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: 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-7378 |
NIST MS number | 235609 |
References
Go To: Top, 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.
Metzger, 1977
Metzger, R.M.,
The enthalpy of formation and the experimental crystal binding energy of tetrathiofulvalenium 7,7,8,8-tetracyanoquinodimethanide (TTF TCNQ),
J. Chem. Phys., 1977, 66, 2525-2533. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
de Kruif and Govers, 1980
de Kruif, C.G.; Govers, H.A.J.,
Enthalpies of sublimation and vapor pressures of 2,2´-bis-1,3-dithiole (TTF), 7,7,8,8-tetracyanoquinodimethane (TCNQ), and TTF--TCNQ (1:1),
J. Chem. Phys., 1980, 73, 1, 553, https://doi.org/10.1063/1.439854
. [all data]
Sandman, Epstein, et al., 1979
Sandman, D.J.; Epstein, A.J.; Chickos, J.S.; Ketchum, J.; Fu, J.S.; Scheraga, H.A.,
Crystal lattice and polarization energy of tetrathiafulvalene,
J. Chem. Phys., 1979, 70, 1, 305, https://doi.org/10.1063/1.437191
. [all data]
Kobayashi, Yoshida, et al., 1984
Kobayashi, T.; Yoshida, Z.; Awaji, H.; Kawase, T.; Ioneda, S.,
Intramolecular orbital interaction in 6,6'-bi(1,4-dithiafulvenyl) studied by photoelectron spectroscopy,
Bull. Chem. Soc. Jpn., 1984, 57, 2591. [all data]
Engler, Kaufman, et al., 1975
Engler, E.M.; Kaufman, F.B.; Green, D.C.; Klots, C.E.; Compton, R.N.,
Ionization potentials and donor properties of selenium analogs of tetrathiafulvalene,
J. Am. Chem. Soc., 1975, 97, 2921. [all data]
Gleiter, Kobayashi, et al., 1975
Gleiter, R.; Kobayashi, M.; Spanget-Larsen, J.; Ferraris, J.P.; Bloch, A.N.; Bechgaard, K.; Cowan, D.O.,
Photoelectron and electronic absorption spectra of tetrathiafulvalene and related compounds,
Ber. Bunsen-Ges. Phys. Chem., 1975, 79, 1218. [all data]
Berlinsky, Carolan, et al., 1974
Berlinsky, A.J.; Carolan, J.F.; Weiler, L.,
Photoelectron spectrum and electronic structure of tetrathiofulvalene (TTF),
Can. J. Chem., 1974, 52, 3373. [all data]
Gleiter, Schmidt, et al., 1973
Gleiter, R.; Schmidt, E.; Cowan, D.O.; Ferraris, J.P.,
The electronic structure of tetrathiofulvalene,
J. Electron Spectrosc. Relat. Phenom., 1973, 2, 207. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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