2H-Pyran, 3,4-dihydro-

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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-112.81 ± 0.90kJ/molCcrSteele, Chirico, et al., 1989ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
34.7850.Dorofeeva O.V., 1992p=1 bar.; GT
42.08100.
51.39150.
62.90200.
84.11273.15
92.2 ± 3.5298.15
92.76300.
125.37400.
154.64500.
179.15600.
199.47700.
216.44800.
230.73900.
242.861000.
253.191100.
262.021200.
269.611300.
276.141400.
281.791500.

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-147.73 ± 0.86kJ/molCcrSteele, Chirico, et al., 1989 
Quantity Value Units Method Reference Comment
Δcliquid-2963.14 ± 0.80kJ/molCcrSteele, Chirico, et al., 1989Corresponding Δfliquid = -147.73 kJ/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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil359.7KN/AWeast and Grasselli, 1989BS
Tboil359.KN/AMoshkin, 1955Uncertainty assigned by TRC = 4. K; TRC
Tboil359.KN/ASchniepp and Geller, 1946Uncertainty assigned by TRC = 2. K; TRC
Tboil358.85KN/AAnonymous, 1942Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tc561.7KN/AKobe and Mathews, 1970Uncertainty assigned by TRC = 0.83 K; TRC
Quantity Value Units Method Reference Comment
Pc45.60barN/AKobe and Mathews, 1970Uncertainty assigned by TRC = 0.5066 bar; TRC
Quantity Value Units Method Reference Comment
Δvap34.92 ± 0.04kJ/molVSteele, Chirico, et al., 1989ALS
Δvap34.9kJ/molN/ASteele, Chirico, et al., 1989DRB

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:


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
L - Sharon G. Lias

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

Quantity Value Units Method Reference Comment
IE (evaluated)8.35 ± 0.01eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)865.8kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity833.4kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.37 ± 0.02PEBloch, Brogli, et al., 1978LLK
8.35PEPlanckaert, Doucet, et al., 1974LLK
8.34 ± 0.01PIWatanabe, Nakayama, et al., 1962RDSH
8.60PEBatich, Heilbronner, et al., 1976Vertical value; LLK

References

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

Steele, Chirico, et al., 1989
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K., Determination of some pure compound ideal-gas enthalpies of formation, AIChE Symp. Ser., 1989, 85, 140-162. [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]

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]

Moshkin, 1955
Moshkin, P.A., Vpr. Isolz. Pentozansoderzh. Syrya Tr. Vses. Soveshch. Riga, 1955, 1955, 225 (1958). [all data]

Schniepp and Geller, 1946
Schniepp, L.E.; Geller, H.H., Preparation of Dihydropyran. δ-Hydroxyvaleraldehyde and 1,5-Pentanediol from Tetrahydrofurfuryl Alcohol, J. Am. Chem. Soc., 1946, 68, 1646-8. [all data]

Anonymous, 1942
Anonymous, R., , Am. Pet. Inst. Res. Proj. 6, Natl. Bur. Stand., 1942. [all data]

Kobe and Mathews, 1970
Kobe, K.A.; Mathews, J.F., Critical Properties and Vapor Pressures of Some Organic Nitrogen and Oxygen Compounds, J. Chem. Eng. Data, 1970, 15, 182. [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]

Bloch, Brogli, et al., 1978
Bloch, M.; Brogli, F.; Heilbronner, E.; Jones, T.B.; Prinzbach, H.; Schweikert, O., 138. Photoelectron spectra of unsaturated oxides. I. 1,4- dioxin and related systems, Helv. Chim. Acta, 1978, 61, 1388. [all data]

Planckaert, Doucet, et al., 1974
Planckaert, A.A.; Doucet, J.; Sandorfy, C., Comparative study of the vacuum ultraviolet absorption and photoelectron spectra of some simple ethers and thioethers, J. Chem. Phys., 1974, 60, 4846. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Batich, Heilbronner, et al., 1976
Batich, C.; Heilbronner, E.; Quinn, C.B.; Wiseman, J.R., The electronic structure of vinyl ethers and sulfides with interrupted conjugation examined by photoelectron spectroscopy, Helv. Chim. Acta, 1976, 59, 512. [all data]


Notes

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