1,4-Butanediol

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, Gas phase ion energetics 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 compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-101.8 ± 1.4kcal/molCcrKnauth and Sabbah, 1990see Knauth and Sabbah, 1989
Δfgas-102.0 ± 0.6kcal/molCcbGardner and Hussain, 1972 

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry 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:
B - John E. Bartmess
MM - Michael M. Meot-Ner (Mautner)
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

Quantity Value Units Method Reference Comment
Proton affinity (review)218.8kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity204.3kcal/molN/AHunter and Lias, 1998HL

Proton affinity at 298K

Proton affinity (kcal/mol) Reference Comment
>209.1Bouchoux, Buisson, et al., 2003MM
>208.3Bouchoux, Buisson, et al., 2003MM
>211.4 ± 0.1Bouchoux, Buisson, et al., 2003MM

Gas basicity at 298K

Gas basicity (review) (kcal/mol) Reference Comment
201.6Bouchoux, Buisson, et al., 2003MM
201.1Bouchoux, Buisson, et al., 2003MM
203.8 ± 0.1Bouchoux, Buisson, et al., 2003MM

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H6+11.1 ± 0.1H2O+CH2OEIHolmes, Mommers, et al., 1984LBLHLM
C3H8O+10.70 ± 0.05CH2OEIHolmes, Mommers, et al., 1984LBLHLM

De-protonation reactions

C4H9O2- + Hydrogen cation = 1,4-Butanediol

By formula: C4H9O2- + H+ = C4H10O2

Quantity Value Units Method Reference Comment
Δr356.1 ± 2.5kcal/molG+TSCrowder and Bartmess, 1993gas phase; ΔGacid at 80°C; B
Quantity Value Units Method Reference Comment
Δr354.6 ± 2.0kcal/molIMRECrowder and Bartmess, 1993gas phase; ΔGacid at 80°C; B
Δr360.20 ± 0.30kcal/molCIDCHouriet, Tabet, et al., 1984gas phase; value altered from reference due to change in acidity scale; B

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry 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

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

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 291303

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, 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.

Knauth and Sabbah, 1990
Knauth, P.; Sabbah, R., Energetics of intra- and intermolecular bonds in ω-alkanediols (II) Thermochemical study of 1,2-ethanediol, 1,3-propanediol, 1,4-butanediol, and 1,5-pentanediol at 298.15K, Struct. Chem., 1990, 1, 43-46. [all data]

Knauth and Sabbah, 1989
Knauth, P.; Sabbah, R., Combustion calorimetry on milligram samples of liquid substances with a CRMT rocking bomb calorimeter. Application to the study of ω-alkanediol at 298.15 K, J. Chem. Thermodyn., 1989, 21, 203-210. [all data]

Gardner and Hussain, 1972
Gardner, P.J.; Hussain, K.S., The standard enthalpies of formation of some aliphatic diols, J. Chem. Thermodyn., 1972, 4, 819-827. [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]

Bouchoux, Buisson, et al., 2003
Bouchoux, G.; Buisson, D.A.; Bourcier, S.; Sablier, M., Application of the kinetic method to bifunctional bases. ESI tandem quadrupole experiments, Int. J. Mass Spectrom., 2003, 228, 1035. [all data]

Holmes, Mommers, et al., 1984
Holmes, J.L.; Mommers, A.A.; Szulejko, J.E.; Terlouw, J.K., Two new stable [C3H8O]+ isomers: The radical cations [C3H6OH2]+, J. Chem. Soc., Chem. Commun., 1984, 165. [all data]

Crowder and Bartmess, 1993
Crowder, C.; Bartmess, J., The Gas Phase Acidities of Diols, J. Am. Soc. Mass Spectrom., 1993, 4, 9, 723, https://doi.org/10.1016/1044-0305(93)80051-Y . [all data]

Houriet, Tabet, et al., 1984
Houriet, R.; Tabet, J.-C.; Tchapla, A., Gas-phase Acidities of Aliphatic and Cyclic Diols, Spectros. Int. J., (1984),, 1984, 3, 132.. [all data]


Notes

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