Propanenitrile, 2,2-dimethyl-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-3.3kJ/molCcrHall and Baldt, 1971 

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry 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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-39.9kJ/molCcrHall and Baldt, 1971ALS
Quantity Value Units Method Reference Comment
Δcliquid-3213.9 ± 0.71kJ/molCcrHall and Baldt, 1971ALS
Quantity Value Units Method Reference Comment
liquid232.00J/mol*KN/AWestrum and Ribner, 1967DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
153.3297.Hall and Baldt, 1971DH
179.37298.15Westrum and Ribner, 1967T = 5 to 350 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry 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:
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
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil370. ± 30.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus288.65KN/AButlerov, 1873Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Ttriple292.13KN/AWestrum and Ribner, 1967, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Δvap37.5kJ/molN/AMajer and Svoboda, 1985 
Δvap36.7kJ/molVHall and Baldt, 1971ALS
Δvap36.6kJ/molN/AHall and Baldt, 1971DRB
Δvap37.35 ± 0.03kJ/molVHoward and Wadso, 1970ALS
Δvap37.8kJ/molIWestrum and Ribner, 1967Based on data from 313. to 371. K.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
32.4379.2N/AMajer and Svoboda, 1985 
36.5328.A,IStephenson and Malanowski, 1987Based on data from 313. to 371. K. See also Westrum and Ribner, 1967.; AC
37.0318.BGBaldt and Hall, 1971Based on data from 299. to 365. K.; AC

Antoine Equation Parameters

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

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

Temperature (K) A B C Reference Comment
313.37 to 378.53.936281238.154-63.416Ribner and Westrum, 1967Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
9.29292.1Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
1.09213.Domalski and Hearing, 1996CAL
7.78232.7
31.8292.1

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.230213.crystaline, IIIcrystaline, IIWestrum and Ribner, 1967DH
1.912232.74crystaline, IIcrystaline, IWestrum and Ribner, 1967S not equal to H/T, see article.; DH
9.288292.13crystaline, IliquidWestrum and Ribner, 1967DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
1.08213.crystaline, IIIcrystaline, IIWestrum and Ribner, 1967DH
7.78232.74crystaline, IIcrystaline, IWestrum and Ribner, 1967S; DH
31.79292.13crystaline, IliquidWestrum and Ribner, 1967DH

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:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

Chlorine anion + Propanenitrile, 2,2-dimethyl- = (Chlorine anion • Propanenitrile, 2,2-dimethyl-)

By formula: Cl- + C5H9N = (Cl- • C5H9N)

Quantity Value Units Method Reference Comment
Δr77.4 ± 4.2kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Quantity Value Units Method Reference Comment
Δr46.23 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B

C5H10N+ + Propanenitrile, 2,2-dimethyl- = (C5H10N+ • Propanenitrile, 2,2-dimethyl-)

By formula: C5H10N+ + C5H9N = (C5H10N+ • C5H9N)

Quantity Value Units Method Reference Comment
Δr126.kJ/molPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase; M

References

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

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hall and Baldt, 1971
Hall, H.K., Jr.; Baldt, J.H., Thermochemistry of strained-ring bridgehead nitriles and esters, J. Am. Chem. Soc., 1971, 93, 140-145. [all data]

Westrum and Ribner, 1967
Westrum, E.F., Jr.; Ribner, A., Trimethylacetonitrile. Low-temperature heat capacity, vapor pressure, and chemical thermodynamics of the crystalline, liquid, and gaseous phases, J. Phys. Chem., 1967, 71, 1216-1224. [all data]

Butlerov, 1873
Butlerov, A., Justus Liebigs Ann. Chem., 1873, 170, 151. [all data]

Westrum and Ribner, 1967, 2
Westrum, E.F.; Ribner, A., Trimethylacetonitrile low-temperature heat capacity, vapor pressure, and chemical thermodynamics of the crystalline, liquid and gaseous phases, J. Phys. Chem., 1967, 71, 1216. [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]

Howard and Wadso, 1970
Howard, P.B.; Wadso, I., Enthalpies of vaporization of organic compounds IV. Alkyl Nitriles, Acta Chem. Scand., 1970, 24, 145. [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]

Baldt and Hall, 1971
Baldt, J.H.; Hall, H.K.K., Jr., Thermochemistry of strained-ring bridgehead nitriles and esters, J. Am. Chem. Soc., 1971, 93, 140-145. [all data]

Ribner and Westrum, 1967
Ribner, A.; Westrum, E.F., Jr., Dimethylmalononitrile. Low-Temperature Heat Capacity, Vapor Pressure, Density, and Chemical Thermodynamics of the Crystalline, Liquid, and Gaseous Phases, J. Phys. Chem., 1967, 71, 5, 1208-1224, https://doi.org/10.1021/j100864a005 . [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]

Li, Ross, et al., 1996
Li, C.; Ross, P.; Szulejko, J.; McMahon, T.B., High-Pressure Mass Spectrometric Investigations of the Potential Energy Surfaces of Gas-Phase Sn2 Reactions., J. Am. Chem. Soc., 1996, 118, 39, 9360, https://doi.org/10.1021/ja960565o . [all data]

Speller and Meot-Ner (Mautner), 1985
Speller, C.V.; Meot-Ner (Mautner), M., The Ionic Hydrogen Bond and Ion Solvation. 3. Bonds Involving Cyanides. Correlations with Proton Affinites, J. Phys. Chem., 1985, 81, 24, 5217, https://doi.org/10.1021/j100270a020 . [all data]


Notes

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