1,3,5,7-Tetroxane

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, 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:
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-620.24 ± 0.67kJ/molCcrMansson, Morawetz, et al., 1969ALS
Quantity Value Units Method Reference Comment
gas345.6 ± 4.6J/mol*KN/AClegg G.A., 1969GT

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
38.6750.Dorofeeva O.V., 1992p=1 bar.; GT
50.59100.
65.52150.
81.62200.
107.06273.15
116.3 ± 4.5298.15
116.94300.
153.87400.
187.14500.
215.07600.
238.15700.
257.29800.
273.27900.
286.711000.
298.071100.
307.711200.
315.941300.
322.981400.
329.051500.

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, 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:
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
Δfsolid-699.86 ± 0.50kJ/molCcrMansson, Morawetz, et al., 1969ALS
Quantity Value Units Method Reference Comment
Δcsolid-2017.5 ± 0.46kJ/molCcrMansson, Morawetz, et al., 1969Corresponding Δfsolid = -699.86 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
solid,1 bar167.5J/mol*KN/AClegg and Melia, 1969Extrapolation below 80 K, 50.3 J/mol*K.; DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
142.22298.15Clegg and Melia, 1969T = 80 TO 420 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, 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 as indicated in comments:
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
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple385.KN/AClegg and Melia, 1969Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Δsub79.6 ± 0.2kJ/molCPedley and Rylance, 1977See also Mansson, Morawetz, et al., 1969.; AC
Δsub79.6 ± 0.2kJ/molCMansson, Morawetz, et al., 1969ALS
Δsub79.6kJ/molN/AMansson, Morawetz, et al., 1969DRB

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
22.59385.Domalski and Hearing, 1996AC
22.600385.Clegg and Melia, 1969DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
58.7385.Clegg 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.

Mansson, Morawetz, et al., 1969
Mansson, M.; Morawetz, E.; Nakase, Y.; Sunner, S., The enthalpies of formation of trioxane and tetroxane, Acta Chem. Scand., 1969, 23, 56-60. [all data]

Clegg G.A., 1969
Clegg G.A., Thermodynamics of polymerization of heterocyclic compounds. Part III. The heat capacity, entropy, enthalpy and free energy of tetroxan, Makromol. Chem., 1969, 123, 184-193. [all data]

Dorofeeva O.V., 1992
Dorofeeva O.V., Ideal gas thermodynamic properties of oxygen heterocyclic compounds. Part 2. Six-membered, seven-membered and eight-membered rings, Thermochim. Acta, 1992, 200, 121-150. [all data]

Clegg and Melia, 1969
Clegg, G.A.; Melia, T.P., Thermodynamics of polymerization of heterocyclic compounds. Part III. The heat capacity, entropy, enthalpy and free energy of tetroxan, Makromol. Chem., 1969, 123, 184-193. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., , Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brighton, 1977. [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

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