Triethyl borate

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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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil391.KN/AAmerican Tokyo Kasei, 1988BS
Tboil391.8KN/ALecat, 1927Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus188.4KN/AWebster and Dennis, 1933Uncertainty assigned by TRC = 0.5 K; TRC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Reference Comment
41.0317.Christopher and Shilman, 1967Based on data from 302. to 382. K.; AC
38.2391.Christopher and Shilman, 1967Based on data from 302. to 382. K.; AC

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
302.3 to 381.84.193121379.301-62.472Christopher and Shilman, 1967Coefficents calculated by NIST from author's data.

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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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Fluorine anion + Triethyl borate = (Fluorine anion • Triethyl borate)

By formula: F- + C6H15BO3 = (F- • C6H15BO3)

Quantity Value Units Method Reference Comment
Δr184. ± 13.kJ/molIMRBLarson 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
Δr153. ± 8.4kJ/molIMRBLarson 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

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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Mass spectrum
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Additional Data

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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-1159
NIST MS number 230737

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References

Go To: Top, Phase change data, Reaction thermochemistry 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.

American Tokyo Kasei, 1988
American Tokyo Kasei, TCI American Organic Chemical 88/89 Catalog, American Tokyo Kasei, Portland, OR, 1988, 1610. [all data]

Lecat, 1927
Lecat, M., New binary azeotropes: 7th list, Ann. Soc. Sci. Bruxelles, Ser. B, 1927, 47, 108-14. [all data]

Webster and Dennis, 1933
Webster, S.H.; Dennis, L.M., Preparation and urification of Methyl BOrate and Ethyl BOrate, J. Am. Chem. Soc., 1933, 55, 3233-5. [all data]

Christopher and Shilman, 1967
Christopher, Phoebus M.; Shilman, Avner, Vapor pressures of trialkyl borates, J. Chem. Eng. Data, 1967, 12, 3, 333-335, https://doi.org/10.1021/je60034a012 . [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]


Notes

Go To: Top, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References