Methyl methacrylate

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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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-348.7kJ/molN/AVilcu and Perisanu, 1980Value computed using ΔfHliquid° value of -388.8±4 kj/mol from Vilcu and Perisanu, 1980 and ΔvapH° value of 40.1 kj/mol from missing citation.; DRB
Δfgas-342.3kJ/molN/AVilcu and Perisanu, 1980Value computed using ΔfHliquid° value of -382.4 kj/mol from Vilcu and Perisanu, 1980 and ΔvapH° value of 40.1 kj/mol from missing citation.; DRB
Δfgas-331.0kJ/molCcbVilcu, Perisanu, et al., 1975ALS

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-382.4kJ/molChydVilcu and Perisanu, 1980ALS
Δfliquid-388.8 ± 4.0kJ/molCcbVilcu and Perisanu, 1980ALS
Quantity Value Units Method Reference Comment
Δcliquid-2724.6 ± 4.0kJ/molCcbVilcu and Perisanu, 1980Corresponding Δfliquid = -386.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid266.2J/mol*KN/ALebedev and Rabinovich, 1971DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
191.09298.15Zhang, Benson, et al., 1986DH
215.3298.15Karabaev, Abduzhaminov, et al., 1985T = 225 to 350 K. Equation only. Cp (J/kg*K) = 114.1 + 6.8299 T. Cp data calculated from equation.; DH
215.3298.15Karabaev, Saidov, et al., 1985T = 90 to 350 K. Cp(c) = 280.01 + 4.96T J/kg*K (103 to 212 K); Cp(liq) = 114.12 + 6.83T J/kg*K (225.6 to 350 K). Cp data calculated from equation.; DH
192.4300.Lebedev and Rabinovich, 1971T = 60 to 300 K.; DH
210.55298.15Melia, 1962T = 60 to 300 K.; DH
188.49293.Erds, Jger, et al., 1952T = 20 to 50°C.; DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
150.2210.Sochava and Trapeznikova, 1958T = 60 to 210 K.; DH

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

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

Hydrogen + Methyl methacrylate = Methyl isobutyrate

By formula: H2 + C5H8O2 = C5H10O2

Quantity Value Units Method Reference Comment
Δr-108. ± 5.0kJ/molChydVilcu and Perisanu, 1980liquid phase
Δr-119.8 ± 0.2kJ/molChydDolliver, Gresham, et al., 1938gas phase; At 355 K

2Methyl methacrylate = Hexanedioic acid, 2-methyl-5-methylene-, dimethyl ester

By formula: 2C5H8O2 = C10H16O4

Quantity Value Units Method Reference Comment
Δr-26.kJ/molKinStickler and Meyerhoff, 1980liquid phase

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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Quantity Value Units Method Reference Comment
Proton affinity (review)831.4kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity800.5kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.7PEVan Dam and Oskam, 1978LLK
10.06PEVan Dam and Oskam, 1978Vertical value; LLK
10.28PESustmann and Trill, 1972Vertical value; LLK

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry 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.

Vilcu and Perisanu, 1980
Vilcu, R.; Perisanu, S., The ideal gas state enthalpies of formation of some monomers, Rev. Roum. Chim., 1980, 25, 619-624. [all data]

Vilcu, Perisanu, et al., 1975
Vilcu, R.; Perisanu, S.; Ciocazanu, I., Heats of formation in the ideal gas state of some substances containing carbon, hydrogen and oxygen, Conf. Int. Thermodyn. Chim. C.R. 4th, 1975, 1, 105-112. [all data]

Lebedev and Rabinovich, 1971
Lebedev, B.V.; Rabinovich, I.B., Heat capacities and thermodynamic functions of methyl methacrylate and poly(methyl methacrylate), Tr. Khim. Khim. Tekhnol., 1971, 1, 8-11. [all data]

Zhang, Benson, et al., 1986
Zhang, D.; Benson, G.C.; Kumaran, M.K.; Lu, B.C.-Y., Excess thermodynamic properties for methyl methacrylate + methanol and + ethanol, J. Chem. Thermodynam., 1986, 18, 149-158. [all data]

Karabaev, Abduzhaminov, et al., 1985
Karabaev, M.; Abduzhaminov, T.P.; Saidov, A.A.; Igamberdyev, Kh.T., Thermophysical properties of liquid methacrylic acid and its simple esters, Izv. Akad. Nauk Uzb. SSR, Ser. Fiz.-Mat. Nauk, 1985, (4), 71-74. [all data]

Karabaev, Saidov, et al., 1985
Karabaev, M.; Saidov, A.A.; Abduzhaminov, T.P.; Kenisarin, M.M., Heat capacity and molecular kinetic processes of condensed phase acrylates and methacrylates, Izv. Akad. Nauk UzSSR, Ser. Fiz.-Math., 1985, (6), 51-54. [all data]

Melia, 1962
Melia, T.P., Part VIII-Methylmethacrylate and polymethylmethacrylate, Polymer, 1962, 3, 317-319. [all data]

Erds, Jger, et al., 1952
Erds, E.; Jger, L.; Pouchly, J., Specificka tepla methylesteru a butylesteru kyseliny methakrylove, Chem. Listy, 1952, 46, 770. [all data]

Sochava and Trapeznikova, 1958
Sochava, I.V.; Trapeznikova, O.N., Internal rotation and specific heat of some polymers at low temperatures, Vestn. Leningrad. Univ. 13, No.16, Ser. Fiz. Khim., 1958, No.3, 65-72. [all data]

Dolliver, Gresham, et al., 1938
Dolliver, M.A.; Gresham, T.L.; Kistiakowsky, G.B.; Smith, E.A.; Vaughan, W.E., Heats of organic reactions. VI. Heats of hydrogenation of some oxygen-containing compounds, J. Am. Chem. Soc., 1938, 60, 440-450. [all data]

Stickler and Meyerhoff, 1980
Stickler, M.; Meyerhoff, G., Thermal polymerization of methyl methacrylate. 2. Formation of unsaturated dimers, Makromol. Chem., 1980, 181, 131-147. [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]

Van Dam and Oskam, 1978
Van Dam, H.; Oskam, A., He(I) and He(II) photoelectron spectra of some substituted ethylenes, J. Electron Spectrosc. Relat. Phenom., 1978, 13, 273. [all data]

Sustmann and Trill, 1972
Sustmann, R.; Trill, H., Photoelektronenspektroskopische Bestimmung von Substituenten-Effekten. II. α,β-ungesattigte Carbonester, Tetrahedron Lett., 1972, 42, 4271. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References