trimethylarsine

• Formula: C₃H₉As
• Molecular weight: 120.0252
• IUPAC Standard InChI: InChI=1S/C3H9As/c1-4(2)3/h1-3H3 Copy

  
• IUPAC Standard InChIKey: HTDIUWINAKAPER-UHFFFAOYSA-N Copy
• 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
  View 3d structure (requires JavaScript / HTML 5)
• Other names: Arsine, trimethyl-
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Options:
  • Switch to calorie-based units

Condensed phase thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics data, NIST Free Links, NIST Subscription Links, 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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Phase change data

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, NIST Free Links, NIST Subscription Links, 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

Enthalpy of vaporization

Enthalpy of fusion

Entropy of fusion

Gas phase ion energetics data

Go To: Top, Condensed phase thermochemistry data, Phase change data, NIST Free Links, NIST Subscription Links, 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

Ionization energy determinations

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, NIST Free Links, NIST Subscription Links, 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., Heat capacity and thermodynamic functions of trimethylarsine, Zhur. Fiz. Khim., 1988, 62(8), 2219-2221. [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., 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]

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, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, NIST Free Links, NIST Subscription Links, References

• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  S°liquid	Entropy of liquid at standard conditions
  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
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.