Methane, diethoxy-

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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-98.73kcal/molN/AGutner, Lebedeva, et al., 1980Value computed using ΔfHliquid° value of -448.7±0.4 kj/mol from Gutner, Lebedeva, et al., 1980 and ΔvapH° value of 35.7 kj/mol from Mansson, 1969.; DRB
Δfgas-99.13 ± 0.21kcal/molCcrMansson, 1969ALS

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-107.2 ± 0.1kcal/molCcbGutner, Lebedeva, et al., 1980 
Δfliquid-107.65 ± 0.20kcal/molCcrMansson, 1969 
Quantity Value Units Method Reference Comment
Δcliquid-772.90 ± 0.1kcal/molCcbGutner, Lebedeva, et al., 1980Corresponding Δfliquid = -107.2 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-772.50 ± 0.19kcal/molCcrMansson, 1969Corresponding Δfliquid = -107.65 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, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil361.2 ± 0.9KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus206.KN/ATimmermans, 1935Uncertainty assigned by TRC = 2. K; TRC
Tfus206.65KN/ATimmermans, 1934Uncertainty assigned by TRC = 0.5 K; TRC
Tfus207.2KN/ATimmermans, 1927Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Δvap8.542kcal/molN/AMajer and Svoboda, 1985 
Δvap8.9 ± 0.5kcal/molVLebedeva, Ryadnenko, et al., 1977Heat of combustion is not reported; ALS
Δvap8.521 ± 0.041kcal/molCMansson, 1969ALS
Δvap8.53kcal/molN/AMansson, 1969DRB
Δvap8.53 ± 0.05kcal/molCMansson, 1969AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
7.488361.1N/AMajer and Svoboda, 1985 
8.63288.AStephenson and Malanowski, 1987Based on data from 273. to 361. K.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
273. to 348.4.104921270.167-51.891Nicolini and Laffitte, 1949Coefficents calculated by NIST from author's data.

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: Robert C. Dunbar

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

Sodium ion (1+) + Methane, diethoxy- = (Sodium ion (1+) • Methane, diethoxy-)

By formula: Na+ + C5H12O2 = (Na+ • C5H12O2)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
27.6298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

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


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 NIST Mass Spectrometry Data Center, 1990.
NIST MS number 118816

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Notes

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

Gutner, Lebedeva, et al., 1980
Gutner, N.M.; Lebedeva, N.D.; Dobychin, S.L.; Kiseleva, N.N., Thermochemical study of aliphatic ethers, J. Appl. Chem. USSR, 1980, 53, 1523-1525. [all data]

Mansson, 1969
Mansson, M., Non-bonded oxygen-oxygen interactions in straight-chain compounds, J. Chem. Thermodyn., 1969, 1, 141-151. [all data]

Timmermans, 1935
Timmermans, J., Researches in Stoichiometry. I. The Heat of Fusion of Organic Compounds., Bull. Soc. Chim. Belg., 1935, 44, 17-40. [all data]

Timmermans, 1934
Timmermans, J., Theory of Concentrated Solutions XII., Bull. Soc. Chim. Belg., 1934, 43, 626. [all data]

Timmermans, 1927
Timmermans, J., The Melting Point of Organic Substances, Bull. Soc. Chim. Belg., 1927, 36, 502. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Lebedeva, Ryadnenko, et al., 1977
Lebedeva, N.D.; Ryadnenko, V.L.; Gutner, N.M.; Nazarova, L.F.; Kiseleva, N.N.; Aizenshtadt, I.N.; Kirilenko, I.V., Possibility of using additive schemes for estimation of the enthalpies of formation of polyfunctional compounds, J. Anal. Chem. USSR (Engl. Transl.), 1977, 50, 726-729. [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]

Nicolini and Laffitte, 1949
Nicolini, E.; Laffitte, P., Tensions de Vapeur de Quelques Liquides Organiques Purs, Compt. Rend., 1949, 229, 757-759. [all data]

McMahon and Ohanessian, 2000
McMahon, T.B.; Ohanessian, G., An Experimental and Ab Initio Study of the Nature of the Binding in Gas-Phase Complexes of Sodium Ions, Chem. Eur. J., 2000, 6, 16, 2931, https://doi.org/10.1002/1521-3765(20000818)6:16<2931::AID-CHEM2931>3.0.CO;2-7 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References