1-Propanamine, 2-methyl-N-(2-methylpropyl)-

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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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-180.8 ± 2.7kJ/molCcbRibeiro da Silva, Ribeiro da Silva, et al., 1997ALS
Δfgas-174.0kJ/molN/ALebedeva, Katin, et al., 1971Value computed using ΔfHliquid° value of -218.6±0.5 kj/mol from Lebedeva, Katin, et al., 1971 and ΔvapH° value of 44.6 kj/mol from Ribeiro da Silva, Ribeiro da Silva, et al., 1997.; DRB
Δfgas-191.4kJ/molN/ALemoult, 1907Value computed using ΔfHliquid° value of -236.0 kj/mol from Lemoult, 1907 and ΔvapH° value of 44.6 kj/mol from Ribeiro da Silva, Ribeiro da Silva, et al., 1997.; DRB

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
Tboil412. ± 1.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus196.KN/ABuckingham and Donaghy, 1982BS
Tfus199.65KN/ATimmermans and Mattaar, 1921Uncertainty assigned by TRC = 0.5 K; TRC
Tfus203.15KN/ATimmermans, 1921Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tc584.4KN/AToczylkin. L.S. and Young, 1980Uncertainty assigned by TRC = 0.58 K; Note: wrong formula given in Table 1; TRC
Quantity Value Units Method Reference Comment
Pc32.00barN/AToczylkin. L.S. and Young, 1980Uncertainty assigned by TRC = 0.3197 bar; Visual: Note - wrong formula given in Table 1; TRC
Quantity Value Units Method Reference Comment
Δvap44.6 ± 1.5kJ/molVRibeiro da Silva, Ribeiro da Silva, et al., 1997ALS
Δvap44.6kJ/molN/ARibeiro da Silva, Ribeiro da Silva, et al., 1997DRB
Δvap39.3kJ/molN/ALebedeva, Katin, et al., 1971, 2Based on data from 291. to 305. K.; AC
Δvap43.1 ± 0.3kJ/molIFranks and Watson, 1969Based on data from 273. to 333. K.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
43.8283.AStephenson and Malanowski, 1987Based on data from 268. to 413. K. See also Stull, 1947.; AC
39.291.VLebedeva, Katin, et al., 1971ALS

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
268.1 to 412.74.637061747.385-35.357Stull, 1947Coefficents 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:


Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Quantity Value Units Method Reference Comment
Proton affinity (review)958.1kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity925.1kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
7.8PEAue and Bowers, 1979LLK

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, 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

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

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, 1998.
NIST MS number 291280

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.


References

Go To: Top, Gas phase thermochemistry data, 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.

Ribeiro da Silva, Ribeiro da Silva, et al., 1997
Ribeiro da Silva, M.A.V.; Ribeiro da Silva, M.D.M.C.; Luisa, M.; Gomes, A.C.N.; Johnson, M.; Pilcher, G., Enthalpies of combustion of di-n-propylamine, diisopropylamine, diisobutylamine, and di-sec-butylamine, J. Chem. Thermodyn., 1997, 29, 1025-1030. [all data]

Lebedeva, Katin, et al., 1971
Lebedeva, N.D.; Katin, Y.A.; Akhmedova, G.Y., Enthalpies of formation of dipropylamine, di-isopropylamine, dibutylamine, and di-isobutylamine, Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 771-772. [all data]

Lemoult, 1907
Lemoult, M.P., Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques, Ann. Chim. Phys., 1907, 12, 395-432. [all data]

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F., Freezing points of orgainic substances VI. New experimental determinations., Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]

Timmermans, 1921
Timmermans, J., The Freezing Points of Organic Substances IV. New Exp. Determinations, Bull. Soc. Chim. Belg., 1921, 30, 62. [all data]

Toczylkin. L.S. and Young, 1980
Toczylkin. L.S.; Young, C.L., Gas-liquid criticl temperatures of mixtures containing electron donors. II. Amine mixtures, J. Chem. Thermodyn., 1980, 12, 365. [all data]

Lebedeva, Katin, et al., 1971, 2
Lebedeva, N.D.; Katin, Y.A.; Akhmedova, G.Y., Russ. J. Phys. Chem., 1971, 45, 6, 771. [all data]

Franks and Watson, 1969
Franks, F.; Watson, B., Calorimetric study of dilute aqueous solutions of dialkylamines: hydration of alkyl groups, Trans. Faraday Soc., 1969, 65, 2339, https://doi.org/10.1039/tf9696502339 . [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [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]

Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T., Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]


Notes

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