2-Butanol, 2,3-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, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil392. ± 3.KAVGN/AAverage of 16 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus262.75KN/AHoward, Mears, et al., 1947Uncertainty assigned by TRC = 0.2 K; TRC
Tfus262.6KN/AKistiakowsky, Ruhoff, et al., 1936Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Δvap12.91 ± 0.20kcal/molVWiberg and Hao, 1991Heat of hydration; ALS
Δvap12.9kcal/molN/AWiberg and Hao, 1991DRB
Δvap12.9 ± 0.2kcal/molN/AWiberg and Hao, 1991Based on data from 303. to 340. K.; AC

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
337.70.11Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
11.7314.AStephenson and Malanowski, 1987Based on data from 299. to 400. K.; AC
11.7313.N/AWilhoit and Zwolinski, 1973Based on data from 298. to 393. 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:


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 compiled as indicated in comments:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H7O+9.682-C3H7EIHolmes, Lossing, et al., 1988LL

De-protonation reactions

C6H13O- + Hydrogen cation = 2-Butanol, 2,3-dimethyl-

By formula: C6H13O- + H+ = C6H14O

Quantity Value Units Method Reference Comment
Δr372.0 ± 2.0kcal/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Quantity Value Units Method Reference Comment
Δr365.4 ± 2.1kcal/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B

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.

Howard, Mears, et al., 1947
Howard, F.L.; Mears, T.W.; Fookson, A.; Pomerantz, P.; Brooks, D.B., Preparation and physical properties of several aliphatic hydrocarbons and intermediates, J. Res. Natl. Bur. Stand. (U. S.), 1947, 38, 365. [all data]

Kistiakowsky, Ruhoff, et al., 1936
Kistiakowsky, G.B.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E., Heats of Organic Reactions III. Hydrogenation of SOme Higher Olefins, J. Am. Chem. Soc., 1936, 58, 137. [all data]

Wiberg and Hao, 1991
Wiberg, K.B.; Hao, S., Enthalpies of hydration of alkenes. 4. Formation of acyclic tert-alcohols, J. Org. Chem., 1991, 56, 5108-5110. [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]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Wilhoit and Zwolinski, 1973
Wilhoit, R.C.; Zwolinski, B.J., Physical and thermodynamic properties of aliphatic alcohols, J. Phys. Chem. Ref. Data Suppl., 1973, 1, 2, 1. [all data]

Holmes, Lossing, et al., 1988
Holmes, J.L.; Lossing, F.P.; Maccoll, A., Heats of formation of alkyl radicals from appearance energies, J. Am. Chem. Soc., 1988, 110, 7339. [all data]

Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G., The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols, Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W . [all data]


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, References