Benzyl methyl ketone

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

Quantity Value Units Method Reference Comment
Δfgas-22.62kcal/molCcbNicholson, Szwarc, et al., 1954 
Δfgas-22.62kcal/molCcbNicholson, Szwarc, et al., 1954 

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

Quantity Value Units Method Reference Comment
Δfliquid-36.30 ± 0.41kcal/molCcbNicholson, Szwarc, et al., 1954Reanalyzed by Cox and Pilcher, 1970, Original value = -36.40 kcal/mol
Δfliquid-36.40kcal/molCcbNicholson, Szwarc, et al., 1954 
Δfliquid-38.85 ± 0.30kcal/molCcbParks, Manchester, et al., 1954Reanalyzed by Cox and Pilcher, 1970, Original value = -38.96 ± 0.30 kcal/mol
Quantity Value Units Method Reference Comment
Δcliquid-1151.73 ± 0.40kcal/molCcbNicholson, Szwarc, et al., 1954Reanalyzed by Cox and Pilcher, 1970, Original value = -1151.7 ± 0.4 kcal/mol; Corresponding Δfliquid = -36.31 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-1151.65 ± 0.40kcal/molCcbNicholson, Szwarc, et al., 1954Corresponding Δfliquid = -36.39 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-1149.18 ± 0.28kcal/molCcbParks, Manchester, et al., 1954Reanalyzed by Cox and Pilcher, 1970, Original value = -1149.09 kcal/mol; Corresponding Δfliquid = -38.86 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-1151.6 ± 0.6kcal/molCcbSpringall and White, 1954Corresponding Δfliquid = -36.4 kcal/mol (simple calculation by NIST; no Washburn corrections)

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil489.7KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus257.8KN/ATimmermans, 1922Uncertainty assigned by TRC = 0.4 K; TRC
Quantity Value Units Method Reference Comment
Δvap13.4 ± 0.7kcal/molAVGN/AAverage of 6 values; Individual data points

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

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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

C9H9O- + Hydrogen cation = Benzyl methyl ketone

By formula: C9H9O- + H+ = C9H10O

Quantity Value Units Method Reference Comment
Δr350.2 ± 2.5kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr351.1 ± 3.5kcal/molG+TSCumming and Kebarle, 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr344.5 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr345.4 ± 2.0kcal/molIMRECumming and Kebarle, 1978gas phase; B

Chlorine anion + Benzyl methyl ketone = (Chlorine anion • Benzyl methyl ketone)

By formula: Cl- + C9H10O = (Cl- • C9H10O)

Quantity Value Units Method Reference Comment
Δr10.70kcal/molTDEqFrench, Ikuta, et al., 1982gas phase; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.3421.PHPMSFrench, Ikuta, et al., 1982gas phase; M

Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C9H10O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)201.4kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity193.8kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.7PECentineo, Fragala, et al., 1978LLK
9.14 ± 0.09EIFoffani, Pignataro, et al., 1963RDSH
8.98PECentineo, Fragala, et al., 1978Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6H5+13.66 ± 0.02?EIFoffani, Pignataro, et al., 1963RDSH
C8H7O+9.90 ± 0.17CH3EIFoffani, Pignataro, et al., 1963RDSH

De-protonation reactions

C9H9O- + Hydrogen cation = Benzyl methyl ketone

By formula: C9H9O- + H+ = C9H10O

Quantity Value Units Method Reference Comment
Δr350.2 ± 2.5kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr351.1 ± 3.5kcal/molG+TSCumming and Kebarle, 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr344.5 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr345.4 ± 2.0kcal/molIMRECumming and Kebarle, 1978gas phase; B

Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Chlorine anion + Benzyl methyl ketone = (Chlorine anion • Benzyl methyl ketone)

By formula: Cl- + C9H10O = (Cl- • C9H10O)

Quantity Value Units Method Reference Comment
Δr10.70kcal/molTDEqFrench, Ikuta, et al., 1982gas phase; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.3421.PHPMSFrench, Ikuta, et al., 1982gas phase; M

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Notes

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

Nicholson, Szwarc, et al., 1954
Nicholson, G.R.; Szwarc, M.; Taylor, J.W., The heats of formation of diacetyl and of benzyl methyl ketone in the vapour phase, J. Chem. Soc., 1954, 2767-2769. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Parks, Manchester, et al., 1954
Parks, G.S.; Manchester, K.E.; Vaughan, L.M., Heats of combustion and formation of some alcohols, phenols, and ketones, J. Chem. Phys., 1954, 22, 2089-2090. [all data]

Springall and White, 1954
Springall, H.D.; White, T.R., Heats of combustion and molecular structure. Part II. The mean bond energy term for the carbonyl system in certain ketones, J. Chem. Soc., 1954, 2765-27. [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]

Timmermans, 1922
Timmermans, J., Investigation of the Freezing Point of Organic Substances VII, Bull. Soc. Chim. Belg., 1922, 31, 389. [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]

French, Ikuta, et al., 1982
French, M.A.; Ikuta, S.; Kebarle, P., Hydrogen bonding of O-H and C-H hydrogen donors to Cl-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl- = RHCl-, Can. J. Chem., 1982, 60, 1907. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Centineo, Fragala, et al., 1978
Centineo, G.; Fragala, I.; Bruno, G.; Spampinato, S., Photoelectron spectroscopy of benzophenone, acetophenone and their ortho-alkyl derivatives, J. Mol. Struct., 1978, 44, 203. [all data]

Foffani, Pignataro, et al., 1963
Foffani, A.; Pignataro, S.; Cantone, B.; Grasso, F., Mass spectra of diazocompounds. I. Diazocarbonyl compounds, Nuovo Cimento, 1963, 29, 918. [all data]


Notes

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