dihydrogen telluride
- Formula: H2Te
- Molecular weight: 129.62
- IUPAC Standard InChI: InChI=1S/H2Te/h1H2
- IUPAC Standard InChIKey: VTLHPSMQDDEFRU-UHFFFAOYSA-N
- CAS Registry Number: 7783-09-7
- 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: Hydrogen telluride
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Phase change data
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.
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 176.8 to 271. | 3.07829 | 599.954 | -76.2 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics data
Go To: Top, Phase change data, 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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to H2Te+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 735.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 704.5 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.2 ± 0.1 | EI | Balkis, Gaines, et al., 1976 | LLK |
| 9.14 | PE | Potts and Price, 1972 | LLK |
| 9.138 ± 0.005 | S | Price, Teegan, et al., 1950 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| HTe+ | 11.9 ± 0.2 | H | EI | Balkis, Gaines, et al., 1976 | LLK |
De-protonation reactions
HTe- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1385. ± 8.8 | kJ/mol | G+TS | Gal, Maria, et al., 1989 | gas phase; B |
| ΔrH° | 1386.3 ± 1.7 | kJ/mol | D-EA | Freidhoff, Snodgrass, et al., 1986 | gas phase; B |
| ΔrH° | 1393.3 | kJ/mol | N/A | Check, Faust, et al., 2001 | gas phase; ScBr4-.; ; ΔS(EA)=8.4; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1360. ± 8.4 | kJ/mol | IMRE | Gal, Maria, et al., 1989 | gas phase; B |
| ΔrG° | 1361.2 ± 3.0 | kJ/mol | H-TS | Freidhoff, Snodgrass, et al., 1986 | gas phase; B |
| ΔrG° | 1366.9 | kJ/mol | N/A | Check, Faust, et al., 2001 | gas phase; ScBr4-.; ; ΔS(EA)=8.4; B |
References
Go To: Top, Phase change data, 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.
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
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]
Balkis, Gaines, et al., 1976
Balkis, T.; Gaines, A.F.; Ozgen, G.; Ozgen, I.T.; Flowers, M.C.,
Ionization of hydrogen sul- phide, selenide and telluride by electron impact,
J. Chem. Soc. Faraday Trans. 2, 1976, 72, 524. [all data]
Potts and Price, 1972
Potts, A.W.; Price, W.C.,
Photoelectron spectra and valence shell orbital structures of groups V VI hydrides,
Proc. R. Soc. London A:, 1972, 326, 181. [all data]
Price, Teegan, et al., 1950
Price, W.C.; Teegan, J.P.; Walsh, A.D.,
The far ultra-violet absorption spectra of the hydrides and deuterides of sulphur, selenium and tellurium and of the methyl derivatives of hydrogen sulphide,
Proc. Roy. Soc. (London), 1950, A201, 600. [all data]
Gal, Maria, et al., 1989
Gal, J.-F.; Maria, P.-C.; Decouzon, M.,
The Gas-Phase Acidity and Bond Dissociation Energies of Hydrogen Telluride,
Int. J. Mass Spectrom. Ion Proc., 1989, 93, 1, 87, https://doi.org/10.1016/0168-1176(89)83076-9
. [all data]
Freidhoff, Snodgrass, et al., 1986
Freidhoff, C.B.; Snodgrass, J.T.; Coe, J.V.; McHugh, K.M.; Bowen, K.H.,
Negative ion photoelectron spectroscopy of TeH-,
J. Chem. Phys., 1986, 84, 1051. [all data]
Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S.,
Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements,
J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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