Methyl nitrite

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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
Δfgas-15.64 ± 0.20kcal/molEqkRay and Gershon, 1962 
Δfgas-16.8 ± 0.8kcal/molCcbGeiseler and Thierfelder, 1961 
Δfgas-14.93 ± 0.26kcal/molCmGray and Pratt, 1958Measured by Baldrey, Lotzgesell and Style
Quantity Value Units Method Reference Comment
Δcgas-179.7 ± 0.8kcal/molCcbGeiseler and Thierfelder, 1961 

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-16.05 ± 0.20kcal/molEqkSilverwood and Thomas, 1967 
Δfliquid-20.33 ± 0.25kcal/molCmGray and Pratt, 1958Measured by Baldrey, Lotzgesell and Style

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δvap5.40 ± 0.04kcal/molVGray and Pratt, 1958Measured by Baldrey, Lotzgesell and Style; ALS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
5.28258.AStephenson and Malanowski, 1987Based on data from 218. to 273. K.; AC
6.26190.N/ARook, 1982Based on data from 154. to 225. K.; AC

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

0.76Nitrogen dioxide + 0.62Dinitrogen tetroxide + Methyl nitrate = Dinitrogen pentoxide + Methyl nitrite

By formula: 0.76NO2 + 0.62N2O4 + CH3NO3 = N2O5 + CH3NO2

Quantity Value Units Method Reference Comment
Δr8.662kcal/molCmRay and Ogg, 1959liquid phase

Methyl nitrite + Hydrogen chloride = Nitrosyl chloride + Methyl Alcohol

By formula: CH3NO2 + HCl = ClNO + CH4O

Quantity Value Units Method Reference Comment
Δr2.14 ± 0.20kcal/molEqkRay and Gershon, 1962gas phase

Methyl nitrite + Nitric acid = 2Nitrogen dioxide + Methyl Alcohol

By formula: CH3NO2 + HNO3 = 2NO2 + CH4O

Quantity Value Units Method Reference Comment
Δr15.89kcal/molEqkSilverwood and Thomas, 1967gas 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 as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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
Proton affinity (review)190.9kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity183.2kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
10.44DERSchroder, Sulzle, et al., 1994LL
10.3PEOgden, Shaw, et al., 1983LBLHLM
10.38 ± 0.03PIPECOGilman, Hsieh, et al., 1983LBLHLM
10.38PIPECOGilman, Hsieh, et al., 1983, 2LBLHLM
10.38 ± 0.03PIMeisels, Hsieh, et al., 1980LLK
11.0PEBergmann and Bock, 1975LLK
10.475 ± 0.007PINicholson, 1970RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH3O+10.82 ± 0.05NOEIBurgers and Holmes, 1984LBLHLM
CH3O+11.0 ± 0.2NOEIBurgers and Holmes, 1984LBLHLM
CH3O+10.69 ± 0.03NOPIPECOGilman, Hsieh, et al., 1983LBLHLM
CH3O+10.69NOPIPECOGilman, Hsieh, et al., 1983, 2LBLHLM
CH3O+10.96NOEIHaney and Franklin, 1969RDSH
NO+10.83 ± 0.04CH3OPIPECOGilman, Hsieh, et al., 1983LBLHLM
NO+10.83CH3OPIPECOGilman, Hsieh, et al., 1983, 2LBLHLM
NO+10.83 ± 0.04CH3OPEMeisels, Hsieh, et al., 1980LLK
NO+10.917 ± 0.008CH3OPINicholson, 1970RDSH
NO+11.15CH3OEIHaney and Franklin, 1969RDSH
NO+11.07 ± 0.06CH3OEIMartin, Lampe, et al., 1966RDSH

References

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

Ray and Gershon, 1962
Ray, J.D.; Gershon, A.A., The heat of formation of gaseous methyl nitrite, J. Phys. Chem., 1962, 66, 1750-1752. [all data]

Geiseler and Thierfelder, 1961
Geiseler, G.; Thierfelder, W., Bestimmung der bildungswarme des gasformigen methylnitrits, Z. Phys. Chem. (Neue Folge), 1961, 29, 248-257. [all data]

Gray and Pratt, 1958
Gray, P.; Pratt, M.W.T., 687. The thermodynamic functions of methyl nitrite and the potential barrier to free rotation., J. Chem. Soc., 1958, 3403-3412. [all data]

Silverwood and Thomas, 1967
Silverwood, R.; Thomas, J.H., Reaction between methanol and nitrogen dioxide. Part 1.-Low-temperature reaction and the thermodynamic constants of methyl nitrite, J. Chem. Soc. Faraday Trans., 1967, 63, 2476-2479. [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]

Rook, 1982
Rook, Frederick L., Preparation, vapor pressure, and infrared spectrum of methyl nitrite, J. Chem. Eng. Data, 1982, 27, 1, 72-73, https://doi.org/10.1021/je00027a022 . [all data]

Ray and Ogg, 1959
Ray, J.D.; Ogg, R.A., Jr., The heat of formation of methyl nitrate, J. Phys. Chem., 1959, 63, 1522-1523. [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]

Schroder, Sulzle, et al., 1994
Schroder, D.; Sulzle, D.; Dutuit, O.; Baer, T.; Schwarz, H., Further insight in the surprisingly complex unimolecular fragmentations of the methyl nitrite radical cation, J. Am. Chem. Soc., 1994, 116, 6395. [all data]

Ogden, Shaw, et al., 1983
Ogden, I.K.; Shaw, N.; Danby, C.J.; Powis, I., Competing dissociation channels of nitromethane and methyl nitrite ions and the role of electronic and internal modes of excitation, Int. J. Mass Spectrom. Ion Processes, 1983, 54, 41. [all data]

Gilman, Hsieh, et al., 1983
Gilman, J.P.; Hsieh, T.; Meisels, G.G., The unimolecular decomposition rates of energy selected methylnitrite and deuterated methylnitrite ions, J. Chem. Phys., 1983, 78, 3767. [all data]

Gilman, Hsieh, et al., 1983, 2
Gilman, J.P.; Hsieh, T.; Meisels, G.G., Competition between isomerization and fragmentation of gaseous ions. II. Nitromethane and methylnitrite ions, J. Chem. Phys., 1983, 78, 1174. [all data]

Meisels, Hsieh, et al., 1980
Meisels, G.G.; Hsieh, T.; Gilman, J.P., Ion fragmentation from noninterconverting electronic states, J. Chem. Phys., 1980, 73, 4126. [all data]

Bergmann and Bock, 1975
Bergmann, H.; Bock, H., Photoelectron spectra molecular properties, XLVI nitroso compounds - electron-rich molecules, Z. Naturforsch. B:, 1975, 30, 629. [all data]

Nicholson, 1970
Nicholson, A.J.C., Determination of bond dissociation energies from photoionization efficiency curves in Recent Developments in Mass Spectrometroscopy, ed. K Ogata and T. Hayakawa, Univ. Park Press, Baltimore, MD, 1970, 745. [all data]

Burgers and Holmes, 1984
Burgers, P.C.; Holmes, J.L., The generation of triplet methoxy cations, Org. Mass Spectrom., 1984, 19, 452. [all data]

Haney and Franklin, 1969
Haney, M.A.; Franklin, J.L., Excess energies in mass spectra of some oxygen-containing organic compounds, J. Chem. Soc. Faraday Trans., 1969, 65, 1794. [all data]

Martin, Lampe, et al., 1966
Martin, R.H.; Lampe, F.W.; Taft, R.W., An electron-impact study of ionization and dissociation in methoxy- and halogen- substituted methanes, J. Am. Chem. Soc., 1966, 88, 1353. [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, References