trimethylarsine
- Formula: C3H9As
- Molecular weight: 120.0252
- IUPAC Standard InChIKey: HTDIUWINAKAPER-UHFFFAOYSA-N
- CAS Registry Number: 593-88-4
- 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: Arsine, trimethyl-
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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.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 186.60 | K | N/A | Nistratov, Sheiman, et al., 1988 | Uncertainty assigned by TRC = 0.02 K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.62 ± 0.05 | 260. | Baev, 2001 | Based on data from 240. to 280. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.142 | 186.60 | Nistratov, Sheiman, et al., 1988, 2 | DH |
2.14 | 186.6 | Nistratov, Sheiman, et al., 1988 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
11.48 | 186.60 | Nistratov, Sheiman, et al., 1988, 2 | DH |
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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 214.5 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 206.7 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.2 | PE | Elbel, Dieck, et al., 1982 | LBLHLM |
8.3 ± 0.1 | EI | Cullen and Frost, 1962 | RDSH |
8.65 | PE | Elbel, Dieck, et al., 1982 | Vertical value; LBLHLM |
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.
Nistratov, Sheiman, et al., 1988
Nistratov, V.P.; Sheiman, M.S.; Rabinovich, I.B.; Vasil'ev, V.G.; Karataev, E.N.; Feshchenko, I.A.,
Zh. Fiz. Khim., 1988, 62, 2219. [all data]
Baev, 2001
Baev, A.K.,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 2001, 44, 1, 3. [all data]
Nistratov, Sheiman, et al., 1988, 2
Nistratov, V.P.; Sheiman, M.S.; Rabinovich, I.B.; Vasil'ev, V.G.; Karataev, E.N.; Feshchenko, I.A.,
Heat capacity and thermodynamic functions of trimethylarsine,
Zhur. Fiz. Khim., 1988, 62(8), 2219-2221. [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]
Elbel, Dieck, et al., 1982
Elbel, S.; Dieck, H.T.; Demuth, R.,
Photoelectron sSpectra of group V compounds. IX. The relative perfluoroalkyl substituent effect,
J. Fluorine Chem., 1982, 19, 349. [all data]
Cullen and Frost, 1962
Cullen, W.R.; Frost, D.C.,
Ionization potentials of some perfluoroalkyl arsines,
Can. J. Chem., 1962, 40, 390. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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