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

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
8.82243.AStephenson and Malanowski, 1987Based on data from 228. to 322. K.; AC
9.08225.N/ABissot, Parry, et al., 1957Based on data from 210. to 321. K. See also Boublik, Fried, et al., 1984.; 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
209.7 to 321.44.858861408.641-31.076Bissot, Parry, et al., 1957Coefficents calculated by NIST from author's data.

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:
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)201.9kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity194.1kcal/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

References

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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

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