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Isobutyronitrile

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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas22.8kJ/molCcrHall and Baldt, 1971 
Deltafgas24.3 ± 1.8kJ/molCcbEvans and Skinner, 1959Reanalyzed by Cox and Pilcher, 1970, Original value = 23. kJ/mol

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
Deltafliquid-13.8kJ/molCcrHall and Baldt, 1971ALS
Deltafliquid-12.2 ± 0.84kJ/molCcbEvans and Skinner, 1959ALS
Quantity Value Units Method Reference Comment
Deltacliquid-2560.6 ± 1.3kJ/molCcrHall and Baldt, 1971ALS
Deltacliquid-2562.3 ± 0.75kJ/molCcbEvans and Skinner, 1959ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
156.2297.Hall and Baldt, 1971DH

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, Kenneth Kroenlein 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
Tboil378. ± 5.KAVGN/AAverage of 19 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus201.65KN/ATimmermans, 1952Uncertainty assigned by TRC = 0.5 K; TRC
Tfus201.65KN/ATimmermans and Delcourt, 1934Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Deltavap37.22kJ/molN/AMajer and Svoboda, 1985 
Deltavap36.7kJ/molVHall and Baldt, 1971ALS
Deltavap36.6kJ/molN/AHall and Baldt, 1971DRB
Deltavap37.13 ± 0.02kJ/molVHoward and Wadso, 1970ALS
Deltavap36.5kJ/molN/AEvans and Skinner, 1959DRB

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
32.39377.N/AMajer and Svoboda, 1985 
35.9339.N/ASukhova, Vlasov, et al., 1979Based on data from 324. - 354. K.; AC
37.5321.BGBaldt and Hall, 1971Based on data from 303. - 352. K.; AC

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

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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 by: John E. Bartmess

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

C4H6N- + Hydrogen cation = Isobutyronitrile

By formula: C4H6N- + H+ = C4H7N

Quantity Value Units Method Reference Comment
Deltar1569. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Deltar1539. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale

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:
B - John E. Bartmess
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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
Proton affinity (review)803.6kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity772.8kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Reference Comment
0.011710 ± 0.000087Hammer, Diri, et al., 2003B

Ionization energy determinations

IE (eV) Method Reference Comment
11.3PEOhno, Matumoto, et al., 1984LBLHLM
11.74PEOhno, Matumoto, et al., 1984Vertical value; LBLHLM
11.74PEKimura, Katsumata, et al., 1981Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H4N+12.70?EIHeerma and deRidder, 1970RDSH
C3H4N+13.25?EIHeerma and deRidder, 1970RDSH
C3H6+12.25?EIHeerma and deRidder, 1970RDSH
C4H6N+12.55HEIHeerma and deRidder, 1970RDSH

De-protonation reactions

C4H6N- + Hydrogen cation = Isobutyronitrile

By formula: C4H6N- + H+ = C4H7N

Quantity Value Units Method Reference Comment
Deltar1569. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Deltar1539. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

IR Spectrum

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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

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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 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).

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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- 916
NIST MS number 227719

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.


Gas Chromatography

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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryBPX-530.638.Aflalaye, Sternberg, et al., 199512. m/0.15 mm/0.25 «mu»m, H2
CapillaryBPX-530.643.Aflalaye, Sternberg, et al., 199512. m/0.15 mm/0.25 «mu»m, H2
CapillaryCP Sil 5 CB20.594.4Do and Raulin, 199225. m/0.15 mm/2. «mu»m, H2
CapillaryPoraPLOT Q100.592.Do and Raulin, 198910. m/0.32 mm/10. «mu»m, H2
CapillaryPoraPLOT Q160.590.Do and Raulin, 198910. m/0.32 mm/10. «mu»m, H2

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-5626.Dallüge, van Stee, et al., 200230. m/0.25 mm/1. «mu»m, He, 2.5 K/min; Tstart: 50. C; Tend: 200. C

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-Wax993.Shimoda, Peralta, et al., 199660. m/0.25 mm/0.25 «mu»m, He, 3. K/min; Tstart: 50. C; Tend: 230. C

Van Den Dool and Kratz RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryDB-Wax1009.Radovic, Careri, et al., 200130. m/0.25 mm/0.25 «mu»m; Program: 30C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min)

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-10132.600.Blazso, Ujszaszi, et al., 1980Column length: 20. m; Column diameter: 0.23 mm

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillarySPB-5623.Sivadier, Ratel, et al., 200960. m/0.32 mm/1.00 «mu»m, 40. C @ 5. min, 3. K/min, 230. C @ 10. min
CapillarySPB-5623.Vasta, Ratel, et al., 200760. m/0.32 mm/1. «mu»m, 40. C @ 5. min, 3. K/min, 230. C @ 5. min
CapillaryHP-5637.2Leffingwell and Alford, 200560. m/0.32 mm/0.25 «mu»m, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillarySupelcowax 101010.Soria, Martinez-Castro, et al., 200850. m/0.25 mm/0.25 «mu»m, Helium; Program: 45 0C (15 min) 3 0C/min -> 75 0C 5 0C/min -> 180 0C (10 min)

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, 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]

Evans and Skinner, 1959
Evans, F.W.; Skinner, H.A., The heats of combustion of organic compounds of nitrogen Part 2.-n-Propyl, isopropyl and phenyl cyandies, Trans. Faraday Soc., 1959, 55, 255-259. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Timmermans, 1952
Timmermans, J., Freezing points of organic compounds. VVI New determinations., Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]

Timmermans and Delcourt, 1934
Timmermans, J.; Delcourt, Y., Work of the International Bureau of Physico-Chemical Standards.VI. Physical Constants of Twenty Organic Compounds., J. Chim. Phys. Phys.-Chim. Biol., 1934, 31, 85-121. [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]

Sukhova, Vlasov, et al., 1979
Sukhova, S.I.; Vlasov, O.N.; Li, L.V., Nov. Khim. Sredstva Azsch Rast., 1979, 51. [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]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [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]

Hammer, Diri, et al., 2003
Hammer, N.I.; Diri, K.; Jordan, K.D.; Desfrancois, C.; Compton, R.N., Dipole-bound anions of carbonyl, nitrile, and sulfoxide containing molecules, J. Chem. Phys., 2003, 119, 7, 3650-3660, https://doi.org/10.1063/1.1590959 . [all data]

Ohno, Matumoto, et al., 1984
Ohno, K.; Matumoto, S.; Imai, K.; Haraa, Y., Penning ionization electron spectroscopy of nitriles, J. Phys. Chem., 1984, 88, 206. [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Heerma and deRidder, 1970
Heerma, W.; deRidder, J.J., The electron-impact induced fragmentation of some alkyl isocyanides and alpha-branched alkyl cyanides, Org. Mass Spectrom., 1970, 3, 1439. [all data]

Aflalaye, Sternberg, et al., 1995
Aflalaye, A.; Sternberg, R.; Raulin, F.; Vidal-Madjar, C., Gas chromatography of Titan's atmosphere. VI. Analysis of low-molecular-mass hydrocarbons and nitriles with BPX5 capillary columns, J. Chromatogr. A, 1995, 708, 2, 283-291, https://doi.org/10.1016/0021-9673(95)00410-O . [all data]

Do and Raulin, 1992
Do, L.; Raulin, F., Gas chromatography of Titan's atmosphere. III. Analysis of low-molecular-weight hydrocarbons and nitriles with a CP-Sil-5 CB WCOT capillary column, J. Chromatogr., 1992, 591, 1-2, 297-301, https://doi.org/10.1016/0021-9673(92)80247-R . [all data]

Do and Raulin, 1989
Do, L.; Raulin, F., Gas chromatography of Titan's atmosphere. I. Analysis of low-molecular-weight hydrocarbons and nitriles with a PoraPLOT Q porous polymer coated open-tubular capillary column, J. Chromatogr., 1989, 481, 45-54, https://doi.org/10.1016/S0021-9673(01)96751-2 . [all data]

Dallüge, van Stee, et al., 2002
Dallüge, J.; van Stee, L.L.P.; Xu, X.; Williams, J.; Beens, J.; Vreuls, R.J.J.; Brinkman, U.A.Th., Unravelling the composition of very complex samples by comprehensive gas chromatography coupled to time-of-flight mass spectrometry. Cigarette smoke, J. Chromatogr. A, 2002, 974, 1-2, 169-184, https://doi.org/10.1016/S0021-9673(02)01384-5 . [all data]

Shimoda, Peralta, et al., 1996
Shimoda, M.; Peralta, R.R.; Osajima, Y., Headspace gas analysis of fish sauce, J. Agric. Food Chem., 1996, 44, 11, 3601-3605, https://doi.org/10.1021/jf960345u . [all data]

Radovic, Careri, et al., 2001
Radovic, B.S.; Careri, M.; Mangia, A.; Musci, M.; Gerboles, M.; Anklam, E., Analytical, nutritional, and clinical methods section. Contribution of dynamic headspace GC-MS analysis of aroma compounds to authenticity testing of honey, Food Chem., 2001, 72, 4, 511-520, https://doi.org/10.1016/S0308-8146(00)00263-6 . [all data]

Blazso, Ujszaszi, et al., 1980
Blazso, M.; Ujszaszi, K.; Jakab, E., Isomeric structure of styrene-acrylonitrile and styrene-methylacrylate copolymer pyrolysis products, Chromatographia, 1980, 13, 3, 151-156, https://doi.org/10.1007/BF02259304 . [all data]

Sivadier, Ratel, et al., 2009
Sivadier, G.; Ratel, J.; Engel, E., Latency and persistence of diet volatile biomarkers in lamb fats, J. Agric. Food Chem., 2009, 57, 2, 645-652, https://doi.org/10.1021/jf802467q . [all data]

Vasta, Ratel, et al., 2007
Vasta, V.; Ratel, J.; Engel, E., Mass Spectrometry Analysis of Volatile Compounds in Raw Meat for the Authentication of the Feeding Background of Farm Animals, J. Agric. Food Chem., 2007, 55, 12, 4630-4639, https://doi.org/10.1021/jf063432n . [all data]

Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]

Soria, Martinez-Castro, et al., 2008
Soria, A.C.; Martinez-Castro, I.; Sanz, J., Some aspects of dynamic headspace analysis of volatile components in honey, Foog Res. International, 2008, 41, 8, 838-848, https://doi.org/10.1016/j.foodres.2008.07.010 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, References