Butanoic acid, 3,3-dimethyl-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Phase change data

Go To: Top, Reaction thermochemistry 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:
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
Tboil460.7KN/AAldrich Chemical Company Inc., 1990BS
Tboil463.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus280.KN/AHomeyer, Whitmore, et al., 1933Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Δvap15.3 ± 0.2kcal/molGSVerevkin, 2000Based on data from 283. to 325. K.; AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
15.2 ± 0.2304.GSVerevkin, 2000Based on data from 283. to 325. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction thermochemistry 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 compiled by: John E. Bartmess

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

C6H11O2- + Hydrogen cation = Butanoic acid, 3,3-dimethyl-

By formula: C6H11O2- + H+ = C6H12O2

Quantity Value Units Method Reference Comment
Δr344.8 ± 2.1kcal/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Δr345.1 ± 2.1kcal/molG+TSTaft and Topsom, 1987gas phase
Quantity Value Units Method Reference Comment
Δr337.8 ± 2.0kcal/molIMRECaldwell, Renneboog, et al., 1989gas phase
Δr338.1 ± 2.0kcal/molIMRETaft and Topsom, 1987gas phase

References

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

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

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Homeyer, Whitmore, et al., 1933
Homeyer, A.H.; Whitmore, F.C.; Wallingford, V.H., Preparation of tert-Butylacetic Acid and its Derivatives., J. Am. Chem. Soc., 1933, 55, 4209-214. [all data]

Verevkin, 2000
Verevkin, S.P., Measurement and Prediction of the Monocarboxylic Acids Thermochemical Properties, J. Chem. Eng. Data, 2000, 45, 5, 953-960, https://doi.org/10.1021/je990282m . [all data]

Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P., Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria, Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092 . [all data]

Taft and Topsom, 1987
Taft, R.W.; Topsom, R.D., The Nature and Analysis of Substituent Effects, Prog. Phys. Org. Chem., 1987, 16, 1. [all data]


Notes

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