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Furan, 2,3-dihydro-5-methyl-

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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
Deltafgas-29.30kcal/molEqkCocks and Egger, 1973 
Deltafgas-31.11 ± 0.84kcal/molCcbPihlaja and Heikkila, 1969 

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
Deltafliquid-39.43 ± 0.54kcal/molCcbPihlaja and Heikkila, 1969 
Quantity Value Units Method Reference Comment
Deltacliquid-704.09 ± 0.54kcal/molCcbPihlaja and Heikkila, 1969Corresponding «DELTA»fliquid = -39.43 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, Kenneth Kroenlein director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil355.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil354.65KN/APaul and Tchelitcheff, 1950Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Deltavap8.3 ± 0.3kcal/molVPihlaja and Heikkila, 1969ALS
Deltavap8.32kcal/molN/APihlaja and Heikkila, 1969DRB

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 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

2-Methylenetetrahydrofuran = Furan, 2,3-dihydro-5-methyl-

By formula: C5H8O = C5H8O

Quantity Value Units Method Reference Comment
Deltar-1.1 ± 0.07kcal/molEqkTaskinen, 1994liquid phase; solvent: Dipentyl ether

Furan, 2,3-dihydro-5-methyl- = Ethanone, 1-cyclopropyl-

By formula: C5H8O = C5H8O

Quantity Value Units Method Reference Comment
Deltar-2.3 ± 0.79kcal/molEqkCocks and Egger, 1973gas 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 by: Edward P. Hunter and Sharon G. Lias

Quantity Value Units Method Reference Comment
Proton affinity (review)217.6kcal/molN/AHunter and Lias, 1998 
Quantity Value Units Method Reference Comment
Gas basicity209.8kcal/molN/AHunter and Lias, 1998 

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin D.HENNEBERG, MAX-PLANCK INSTITUTE, MULHEIM, WEST GERMANY
NIST MS number 61979

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedApiezon L120.662.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedApiezon L160.677.Bogoslovsky, Anvaer, et al., 1978Celite 545

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryMethyl Silicone640.Zenkevich, 1999Program: not specified
CapillaryPolydimethyl siloxanes640.Zenkevich, 1997Program: not specified

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, Notes

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

Cocks and Egger, 1973
Cocks, A.T.; Egger, K.W., Gas-phase thermal unimolecular isomerizations of acetylcyclopropane. Part I. The equilibrium between 2,3-dihydro-5-methylfuran and acetylcyclopropane, J. Chem. Soc. Perkin Trans. 2, 1973, 197-199. [all data]

Pihlaja and Heikkila, 1969
Pihlaja, K.; Heikkila, J., Heats of formation of cyclic vinyl ethers, Suom. Kemistil. B, 1969, 42, 338-342. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Paul and Tchelitcheff, 1950
Paul, R.; Tchelitcheff, S., The Methylenyl-2-tetrahydrofuran. Application to the Preparation of beta-Ethylenic Alcohols. Synthesis of Sylvanne, Bull. Soc. Chim. Fr., 1950, 1950, 520. [all data]

Taskinen, 1994
Taskinen, E., Relative thermodynamic stabilities of «gamma»-methylene-«gamma»-butyrolactone and «alpha»-angelicalactone, Tetrahedron, 1994, 50, 1885-1888. [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]

Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]

Zenkevich, 1999
Zenkevich, I.G., New Application of the Retention Index Concept in Gas and High Performance Liquid Chromatography, Fresenius' J. Anal. Chem., 1999, 365, 4, 305-309, https://doi.org/10.1007/s002160051491 . [all data]

Zenkevich, 1997
Zenkevich, I.G., Influence of the Variations of Dynamics Molecular Parameterts on the Additivity of Chromatigraphic Retention Indices of Products of Organic Reactions Relative to Initial Reagents, Dokl. Akad. Nauk (Rus.), 1997, 353, 5, 625-627. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, References