Paraldehyde

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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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-636. ± 3.kJ/molCcbPihlaja and Tuomi, 1970ALS
Quantity Value Units Method Reference Comment
gas374.4 ± 5.0J/mol*KN/AClegg G.A., 1969GT

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-681.8 ± 2.6kJ/molCcbPihlaja and Tuomi, 1970ALS
Quantity Value Units Method Reference Comment
Δcliquid-3394.2 ± 2.6kJ/molCcbPihlaja and Tuomi, 1970Corresponding Δfliquid = -681.82 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-3389.kJ/molCcbFletcher, Mortimer, et al., 1959Corresponding Δfliquid = -687.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-3390. ± 2.kJ/molCcbCass, Springall, et al., 1955Corresponding Δfliquid = -686.2 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid289.4J/mol*KN/AClegg and Melia, 1969Extrapolation below 80 K, 61.1 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
257.3298.15Clegg and Melia, 1969T = 80 to 310 K.; DH
254.0306.6Phillip, 1939DH
250.2298.von Reis, 1881T = 293 to 400 K.; DH

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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil401.15KN/AGrimm and Patrick, 1923Uncertainty assigned by TRC = 0.5 K; TRC
Tboil397.15KN/APaul and Schantz, 1919Uncertainty assigned by TRC = 1. K; TRC
Tboil395.KN/AHollmann, 1903Uncertainty assigned by TRC = 1. K; TRC
Tboil397.2KN/AVon Reis, 1881Uncertainty assigned by TRC = 1.5 K; TRC
Tboil396.5KN/ABruhl, 1880Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Tfus284.15KN/ABiltz, Fischer, et al., 1930Uncertainty assigned by TRC = 1. K; TRC
Tfus285.65KN/ACooper, 1928Uncertainty assigned by TRC = 0.2 K; TRC
Tfus286.KN/ALouguinine and Dupont, 1911Uncertainty assigned by TRC = 0.5 K; TRC
Tfus285.70KN/AHollmann, 1903Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Ttriple285.7KN/AClegg and Melia, 1969Crystal phase 1 phase; Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Tc563.KN/AHollmann, 1903Uncertainty assigned by TRC = 4. K; TRC
Quantity Value Units Method Reference Comment
Δvap45.8kJ/molN/APihlaja and Tuomi, 1970DRB
Δvap41. ± 0.4kJ/molVFletcher, Mortimer, et al., 1959ALS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
41.5338.AStephenson and Malanowski, 1987Based on data from 323. to 396. K.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
13.52285.7Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
1.81142.7Domalski and Hearing, 1996CAL
5.24147.5
47.32285.7

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.2577142.7crystaline, IVcrystaline, IIIClegg and Melia, 1969DH
0.7731147.5crystaline, IIIcrystaline, IIClegg and Melia, 1969H and S of transition for c,II/c,I at 230.3 K has been added into H and S of fusion at 285.7 K.; DH
13.520285.7crystaline, IliquidClegg and Melia, 1969DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
1.81142.7crystaline, IVcrystaline, IIIClegg and Melia, 1969DH
5.24147.5crystaline, IIIcrystaline, IIClegg and Melia, 1969H; DH
47.32285.7crystaline, IliquidClegg and Melia, 1969DH

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:


References

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

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

Pihlaja and Tuomi, 1970
Pihlaja, K.; Tuomi, M., Bond-Bond interactions in organic oxygen compounds. Part II. Anomalous stablization in cis-2,4,6-trimethyl-1,3,5-trioxane, Suom. Kemistil., 1970, 43, 224-226. [all data]

Clegg G.A., 1969
Clegg G.A., Thermodynamics of polymerization of heterocyclic compounds. Part IV. The heat capacity, entropy, enthalpy and free energy of paraldehyde, Makromol. Chem., 1969, 123, 194-202. [all data]

Fletcher, Mortimer, et al., 1959
Fletcher, S.E.; Mortimer, C.T.; Springall, H.D., Heats of combustion and molecular structure. Part VII. 1:3-dioxa- and 1:3:5-trioxa-cycloalkanes, J. Chem. Soc., 1959, 580-584. [all data]

Cass, Springall, et al., 1955
Cass, R.C.; Springall, H.D.; White, T.R., The anomalous heat of combustion of paraldehyde, Chem. Ind. (London), 1955, 387-388. [all data]

Clegg and Melia, 1969
Clegg, G.A.; Melia, T.P., Thermodynamics of polymerization of heterocyclic compounds. Part IV. The heat capacity, entropy, enthalpy and free energy of paraldehyde, Makromol. Chem., 1969, 123, 194-202. [all data]

Phillip, 1939
Phillip, N.M., Adiabatic and isothermal compressibilities of liquids, Proc. Indian Acad. Sci., 1939, A9, 109-120. [all data]

von Reis, 1881
von Reis, M.A., Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht, Ann. Physik [3], 1881, 13, 447-464. [all data]

Grimm and Patrick, 1923
Grimm, F.V.; Patrick, W.A., The Dielectric Constastants of Organic Liquids at the Boilin Point, J. Am. Chem. Soc., 1923, 45, 2794. [all data]

Paul and Schantz, 1919
Paul, T.; Schantz, K., The boiling point as indicator of purity and a new apparatus for its determination without thermometer correction., Arch. Pharm. (Weinheim, Ger.), 1919, 257, 87. [all data]

Hollmann, 1903
Hollmann, R., Physical and natural equilibria between the modifications of aldehyde, Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1903, 43, 129-59. [all data]

Von Reis, 1881
Von Reis, M.A., IV. The Specific Heat of Liquid Organic Compounds and its Relation to Molecular Weight., Ann. Phys. (Leipzig), 1881, 13, 447. [all data]

Bruhl, 1880
Bruhl, J.W., The Chemical Constitution of Organic Compounds in Relation to their Density and their Ability to Propagate Light, Justus Liebigs Ann. Chem., 1880, 203, 1. [all data]

Biltz, Fischer, et al., 1930
Biltz, W.; Fischer, W.; Wunnenberg, E., Molecular and Atomic Volumes. The Volume Requirements of Crystalline Organic Compounds and Low Temperatures, Z. Phys. Chem., Abt. A, 1930, 151, 13-55. [all data]

Cooper, 1928
Cooper, D.L., The Heat Cpacities of Acetaldehyde and Paraldehyde, and the Heat of Transformation of Acetaldehyde into Paraldehyde, Proc. Trans. N. S. Inst. Sci., Pt. 1, 1928, 17. 82-90. [all data]

Louguinine and Dupont, 1911
Louguinine, W.; Dupont, G., The heat of fusion of substances which melt at ordinary temperatures., Bull. Soc. Chim. Fr., 1911, 9, 219-224. [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]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

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