trifluoroarsine


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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil329.4KN/APCR Inc., 1990BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference Comment
8.56293.Russell, Rundle, et al., 1941AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
270.7 to 329.45.626861789.818-11.415Stull, 1947Coefficents calculated by NIST from author's data.

Reaction thermochemistry 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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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Individual Reactions

Fluorine anion + trifluoroarsine = (Fluorine anion • trifluoroarsine)

By formula: F- + AsF3 = (F- • AsF3)

Quantity Value Units Method Reference Comment
Δr48.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr41.0 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

CN- + trifluoroarsine = (CN- • trifluoroarsine)

By formula: CN- + AsF3 = (CN- • AsF3)

Quantity Value Units Method Reference Comment
Δr24.9 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr28.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Δr16.60 ± 0.50kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M

Chlorine anion + trifluoroarsine = (Chlorine anion • trifluoroarsine)

By formula: Cl- + AsF3 = (Cl- • AsF3)

Quantity Value Units Method Reference Comment
Δr25.8 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr18.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M

Vibrational and/or electronic energy levels

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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: Takehiko Shimanouchi

Symmetry:   C     Symmetry Number σ = 3


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a1 1 Sym str 741  A 740.5 S gas 707 liq.
a1 2 Sym deform 337  B 336.5 M gas 341 liq.
e 3 Deg str 702  B 702.2 S gas 644 liq.
e 4 Deg deform 262  B 262.3 M gas 274 liq.

Source: Shimanouchi, 1972

Notes

SStrong
MMedium
A0~1 cm-1 uncertainty
B1~3 cm-1 uncertainty

References

Go To: Top, Phase change data, Reaction thermochemistry data, Vibrational and/or electronic energy levels, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Russell, Rundle, et al., 1941
Russell, Horace; Rundle, Robert E.; Yost, Don M., The Heat Capacity, Heats of Fusion and Vaporization, Vapor Pressure and Entropy of Arsenic Trifluoride, J. Am. Chem. Soc., 1941, 63, 10, 2825-2828, https://doi.org/10.1021/ja01855a094 . [all data]

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]

Larson and McMahon, 1985
Larson, J.W.; McMahon, T.B., Fluoride and chloride affinities of the main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ICR halide exchange equilibria, J. Am. Chem. Soc., 1985, 107, 766. [all data]

Wenthold and Squires, 1995
Wenthold, P.G.; Squires, R.R., Bond dissociation energies of F2(-) and HF2(-). A gas-phase experimental and G2 theoretical study, J. Phys. Chem., 1995, 99, 7, 2002, https://doi.org/10.1021/j100007a034 . [all data]

Arshadi, Yamdagni, et al., 1970
Arshadi, M.; Yamdagni, R.; Kebarle, P., Hydration of Halide Negative Ions in the Gas Phase. II. Comparison of Hydration Energies for the Alkali Positive and Halide Negative Ions, J. Phys. Chem., 1970, 74, 7, 1475, https://doi.org/10.1021/j100702a014 . [all data]

Larson, Szulejko, et al., 1988
Larson, J.W.; Szulejko, J.E.; McMahon, T.B., Gas Phase Lewis Acid-Base Interactions. An Experimental Determination of Cyanide Binding Energies From Ion Cyclotron Resonance and High-Pressure Mass Spectrometric Equilibrium Measurements., J. Am. Chem. Soc., 1988, 110, 23, 7604, https://doi.org/10.1021/ja00231a004 . [all data]

Payzant, Yamdagni, et al., 1971
Payzant, J.D.; Yamdagni, R.; Kebarle, P., Hydration of CN-, NO2-, NO3-, and HO- in the gas phase, Can. J. Chem., 1971, 49, 3308. [all data]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume II, J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]


Notes

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