2-Propanamine, 2-methyl-

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Gas phase thermochemistry data

Go To: Top, Condensed 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 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-28.8 ± 0.2kcal/molCmScott, 1971ALS
Δfgas-28.90 ± 0.15kcal/molCcrSmith and Good, 1967ALS
Δfgas-28.75kcal/molN/AEvans, Fairbrother, et al., 1959Value computed using ΔfHliquid° value of -150.0±1.0 kj/mol from Evans, Fairbrother, et al., 1959 and ΔvapH° value of 29.7 kj/mol from Smith and Good, 1967.; DRB
Δfgas-33.29kcal/molN/ALemoult, 1907Value computed using ΔfHliquid° value of -169.0 kj/mol from Lemoult, 1907 and ΔvapH° value of 29.7 kj/mol from Smith and Good, 1967.; DRB

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-36.00 ± 0.12kcal/molCcrSmith and Good, 1967ALS
Δfliquid-36.0 ± 0.3kcal/molCcbEvans, Fairbrother, et al., 1959ALS
Δfliquid-40.4kcal/molCcbLemoult, 1907ALS
Quantity Value Units Method Reference Comment
Δcliquid-715.94 ± 0.10kcal/molCcrSmith and Good, 1967ALS
Δcliquid-716.01 ± 0.27kcal/molCcbEvans, Fairbrother, et al., 1959ALS
Δcliquid-716.3kcal/molCcbLemoult, 1907ALS
Quantity Value Units Method Reference Comment
liquid55.839cal/mol*KN/AFinke, Messerly, et al., 1972DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
45.820298.15Finke, Messerly, et al., 1972T = 12 to 350 K.; DH
45.4298.15Konicek and Wadso, 1971DH
45.89298.15Smith and Good, 1967DH

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
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil318. ± 2.KAVGN/AAverage of 12 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus205.65KN/ATimmermans and Mattaar, 1921Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Ttriple206.19KN/AFinke, Messerly, et al., 1972, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.01 K; second-order transition; TRC
Ttriple206.21KN/AAnonymous, 1964Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC
Quantity Value Units Method Reference Comment
Tc483.9KN/AKobe and Mathews, 1970Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Pc37.90atmN/AKobe and Mathews, 1970Uncertainty assigned by TRC = 0.5000 atm; TRC
Quantity Value Units Method Reference Comment
ρc3.42mol/lN/AKobe and Mathews, 1970Uncertainty assigned by TRC = 0.27 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap7.1 ± 0.1kcal/molAVGN/AAverage of 6 values; Individual data points

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
6.757317.2N/AMajer and Svoboda, 1985 
7.19307.A,EB,IPStephenson and Malanowski, 1987Based on data from 292. to 349. K. See also Osborn and Douslin, 1968.; AC

Antoine Equation Parameters

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference
292.47 to 348.363.90123992.719-62.727Osborn and Douslin, 1968

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
0.21206.2Domalski and Hearing, 1996AC

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.02713091.30crystaline, IIIcrystaline, IIFinke, Messerly, et al., 1972DH
1.4466202.27crystaline, IIcrystaline, IFinke, Messerly, et al., 1972DH
0.2108206.19crystaline, IliquidFinke, Messerly, et al., 1972DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
0.29691.30crystaline, IIIcrystaline, IIFinke, Messerly, et al., 1972DH
7.149202.27crystaline, IIcrystaline, IFinke, Messerly, et al., 1972DH
1.02206.19crystaline, IliquidFinke, Messerly, et al., 1972DH

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

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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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C4H11N+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)223.3kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity215.1kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.5 ± 0.1PEAue, Webb, et al., 1976LLK
8.83PEAl-Joboury and Turner, 1964RDSH
8.64PIWatanabe, Nakayama, et al., 1962RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H8N+8.89CH3EILossing, Lam, et al., 1981LLK

References

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

Scott, 1971
Scott, D.W., 1-Aminopropane, 2-aminopropane, and 2-methyl-2-aminopropane. Vibrational assignments, conformational analyses, and chemical thermodynamic properties, J. Chem. Thermodyn., 1971, 3, 843-852. [all data]

Smith and Good, 1967
Smith, N.K.; Good, W.D., Enthalpies of combustion and formation of propylamine, isopropylamine, and tert-butylamine, J. Chem. Eng. Data, 1967, 12, 572-574. [all data]

Evans, Fairbrother, et al., 1959
Evans, F.W.; Fairbrother, D.M.; Skinner, H.A., The heats of combustion of organic compounds of nitrogen Part 3.-Butylamines, and the cis-dimer of nitrosoisobutane, Trans. Faraday Soc., 1959, 55, 399-403. [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]

Finke, Messerly, et al., 1972
Finke, H.L.; Messerly, J.F.; Todd, S.S., Thermodynamic properties of acrylonitrile, 1-aminopropane, 2-aminopropane, and 2-methyl-2-aminopropane, J. Chem. Thermodynam., 1972, 4, 359-374. [all data]

Konicek and Wadso, 1971
Konicek, J.; Wadso, I., Thermochemical properties of some carboxylic acids, amines and N-substituted amides in aqueous solution, Acta Chem. Scand., 1971, 25, 1541-1551. [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]

Finke, Messerly, et al., 1972, 2
Finke, H.L.; Messerly, J.F.; Todd, S.S., Thermodynamic properties of acrylonitrile, 1-aminopropane, 2-aminopropane, and 2-methyl-2-aminopropane, J. Chem. Thermodyn., 1972, 4, 359. [all data]

Anonymous, 1964
Anonymous, R., , Natl. Bur. Stand. (U. S.), Tech. News Bull. 48, 1964. [all data]

Kobe and Mathews, 1970
Kobe, K.A.; Mathews, J.F., Critical Properties and Vapor Pressures of Some Organic Nitrogen and Oxygen Compounds, J. Chem. Eng. Data, 1970, 15, 182. [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]

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]

Osborn and Douslin, 1968
Osborn, Ann G.; Douslin, Donald R., Vapor pressure relations of 13 nitrogen compounds related to petroleum, J. Chem. Eng. Data, 1968, 13, 4, 534-537, https://doi.org/10.1021/je60039a024 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [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, Webb, et al., 1976
Aue, D.H.; Webb, H.M.; Bowers, M.T., Quantitative proton affinities, ionization potentials, and hydrogen affinities of alkylamines, J. Am. Chem. Soc., 1976, 98, 311. [all data]

Al-Joboury and Turner, 1964
Al-Joboury, M.I.; Turner, D.W., Molecular photoelectron spectroscopy. Part II. A summary of ionization potentials, J. Chem. Soc., 1964, 4434. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Lossing, Lam, et al., 1981
Lossing, F.P.; Lam, Y.-T.; Maccoll, A., Gas phase heats of formation of alkyl immonium ions, Can. J. Chem., 1981, 59, 2228. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References