1,4-Butanediol

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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-505.3 ± 5.7kJ/molCcrKnauth and Sabbah, 1990see Knauth and Sabbah, 1989; ALS
Δfliquid-503. ± 2.kJ/molCcbGardner and Hussain, 1972ALS
Quantity Value Units Method Reference Comment
Δcliquid-2495.5 ± 5.7kJ/molCcrKnauth and Sabbah, 1990see Knauth and Sabbah, 1989; Corresponding Δfliquid = -507.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-2499.9 ± 2.0kJ/molCcbGardner and Hussain, 1972Corresponding Δfliquid = -503.25 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid223.4J/mol*KN/ANistratov, Babinkov, et al., 1979DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
200.1298.15Nistratov, Babinkov, et al., 1979T = 5 to 320 K.; DH
178.297.79Petit and TerMinassian, 1974T = 297 to 470 K. Value is unsmoothed experimental datum.; DH

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

C4H9O2- + Hydrogen cation = 1,4-Butanediol

By formula: C4H9O2- + H+ = C4H10O2

Quantity Value Units Method Reference Comment
Δr1490. ± 10.kJ/molG+TSCrowder and Bartmess, 1993gas phase; ΔGacid at 80°C
Quantity Value Units Method Reference Comment
Δr1484. ± 8.4kJ/molIMRECrowder and Bartmess, 1993gas phase; ΔGacid at 80°C
Δr1507.1 ± 1.3kJ/molCIDCHouriet, Tabet, et al., 1984gas phase; value altered from reference due to change in acidity scale

(Chlorine anion • 1,4-Butanediol) + 1,4-Butanediol = (Chlorine anion • 21,4-Butanediol)

By formula: (Cl- • C4H10O2) + C4H10O2 = (Cl- • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr88.7 ± 3.3kJ/molTDAsZhang, Beglinger, et al., 1995gas phase
Quantity Value Units Method Reference Comment
Δr44.4 ± 4.2kJ/molTDAsZhang, Beglinger, et al., 1995gas phase

Chlorine anion + 1,4-Butanediol = (Chlorine anion • 1,4-Butanediol)

By formula: Cl- + C4H10O2 = (Cl- • C4H10O2)

Quantity Value Units Method Reference Comment
Δr126. ± 7.1kJ/molTDAsZhang, Beglinger, et al., 1995gas phase
Quantity Value Units Method Reference Comment
Δr73.2 ± 4.2kJ/molTDAsZhang, Beglinger, et al., 1995gas phase

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
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)915.6kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity854.9kJ/molN/AHunter and Lias, 1998HL

Proton affinity at 298K

Proton affinity (kJ/mol) Reference Comment
>875.0Bouchoux, Buisson, et al., 2003MM
>871.7Bouchoux, Buisson, et al., 2003MM
>884.3 ± 0.5Bouchoux, Buisson, et al., 2003MM

Gas basicity at 298K

Gas basicity (review) (kJ/mol) Reference Comment
843.5Bouchoux, Buisson, et al., 2003MM
841.2Bouchoux, Buisson, et al., 2003MM
852.9 ± 0.5Bouchoux, 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
Δr1490. ± 10.kJ/molG+TSCrowder and Bartmess, 1993gas phase; ΔGacid at 80°C; B
Quantity Value Units Method Reference Comment
Δr1484. ± 8.4kJ/molIMRECrowder and Bartmess, 1993gas phase; ΔGacid at 80°C; B
Δr1507.1 ± 1.3kJ/molCIDCHouriet, Tabet, et al., 1984gas phase; value altered from reference due to change in acidity scale; B

References

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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]

Nistratov, Babinkov, et al., 1979
Nistratov, V.P.; Babinkov, A.G.; Shvetsova, K.G.; Lapteva, S.A., Heat capacity and termodynamic functions of tetramethyleneglycol, Termodin. Org. Soedin., 1979, (8), 33-36. [all data]

Petit and TerMinassian, 1974
Petit, J.C.; TerMinassian, L., Measurements of (dV/dT)p, (dV/dP)T, and (dH/dT)p by flux calorimetry, J. Chem. Thermodynam., 1974, 6, 1139-1152. [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]

Zhang, Beglinger, et al., 1995
Zhang, W.; Beglinger, C.; Stone, J.A., High-pressure mass spectrometric study of the gas-phase association of Cl- with alpha,omega-diols, J. Phys. Chem., 1995, 99, 30, 11673, https://doi.org/10.1021/j100030a009 . [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]


Notes

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