2,4-Pentanedione, 3-methyl-

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.


Gas phase thermochemistry data

Go To: Top, Condensed phase 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-102.5kcal/molIonConrath, Van de Sande, et al., 1974Mass spectrometery (enol)

Condensed phase thermochemistry data

Go To: Top, Gas phase 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-104.4 ± 0.45kcal/molCcbRibeiro da Silva, Ferrao, et al., 1992 
Quantity Value Units Method Reference Comment
Δcliquid-801.43 ± 0.41kcal/molCcbRibeiro da Silva, Ferrao, et al., 1992Corresponding Δfliquid = -104.4 kcal/mol (simple calculation by NIST; no Washburn corrections)

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Notes

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

Conrath, Van de Sande, et al., 1974
Conrath, k.; Van de Sande, C.; Vandewalle, M., Studies in organic mass spectrometry. XVI. A combined approach to the structures of ions generated from the molecular ions of acyclic β-diketones through loss of small neutral molecules, Org. Mass Spectrom., 1974, 9, 585-593. [all data]

Ribeiro da Silva, Ferrao, et al., 1992
Ribeiro da Silva, M.A.V.; Ferrao, M.L.C.C.H.; Monte, M.J.S.; Esteves da Silva, R.M.G.; Ribeiro, J.C., Standard enthalpies of formation of 3-methylpentane-2,4-dione and of bis(3-methylpentane-2,4-dionato)copper(II): the mean (Cu-O) bond-dissociation enthalpy, J. Chem. Thermodyn., 1992, 24, 585-594. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References