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Hydroxylamine, O-methyl-


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:
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
36.9243.AStephenson and Malanowski, 1987Based on data from 228. - 322. K.; AC
38.0225.N/ABissot, Parry, et al., 1957Based on data from 210. - 321. K. See also Boublik, Fried, et al., 1984.; AC

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
209.7 - 321.44.864571408.641-31.076Bissot, Parry, et al., 1957Coefficents calculated by NIST from author's data.

Gas phase ion energetics data

Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes

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:
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

View reactions leading to CH5NO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)844.8kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity812.3kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.55PEMolder, Pikver, et al., 1983LBLHLM
10.28PEKimura and Katsumata, 1977Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH5NO+10.25?PERademacher and Freckmann, 1980Vertical value; LLK

Mass spectrum (electron ionization)

Go To: Top, Phase change data, Gas phase ion energetics 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 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 Japan AIST/NIMC Database- Spectrum MS-NW-9020
NIST MS number 230263

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References

Go To: Top, Phase change data, Gas phase ion energetics data, 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.

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]

Bissot, Parry, et al., 1957
Bissot, T.C.; Parry, R.W.; Campbell, D.H., The Physical and Chemical Properties of the Methylhydroxylamines 1, J. Am. Chem. Soc., 1957, 79, 4, 796-800, https://doi.org/10.1021/ja01561a005 . [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [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]

Molder, Pikver, et al., 1983
Molder, U.H.; Pikver, R.J.; Koppel, I.A., Photoelectron spectra of molecules. 2. Ethers, Org. React. (N.Y. Engl. Transl.), 1983, 20, 208. [all data]

Kimura and Katsumata, 1977
Kimura, K.; Katsumata, S., Photoelectron spectroscopic study of hydroxylamine (NH2OH) o-methylhydroxylamine (NH2OCH3), J. Chem. Phys., 1977, 67, 1225. [all data]

Rademacher and Freckmann, 1980
Rademacher, P.; Freckmann, B., Photoelektronen spektren und Konformations-verhalten von Hydroxylamin und Methylhydroxylaminen, J. Electron Spectrosc. Relat. Phenom., 1980, 19, 251. [all data]


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References