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1,2-Butadiene

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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 as indicated in comments:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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Individual Reactions

C4H5- + Hydrogen cation = 1,2-Butadiene

By formula: C4H5- + H+ = C4H6

Quantity Value Units Method Reference Comment
Deltar1608. ± 8.8kJ/molG+TSN/Agas phase; Relative to dGacid(MeOH)= 375. Acid: MeCH=C=CH2; B
Quantity Value Units Method Reference Comment
Deltar1574. ± 8.4kJ/molIMREN/Agas phase; Relative to dGacid(MeOH)= 375. Acid: MeCH=C=CH2; B

1,2-Butadiene = 1,3-Butadiene

By formula: C4H6 = C4H6

Quantity Value Units Method Reference Comment
Deltar53.47 ± 0.67kJ/molCcbProsen, Maron, et al., 1949gas phase; ALS

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.

Prosen, Maron, et al., 1949
Prosen, E.J.; Maron, F.W.; Rossini, F.D., Heat of isomerization of the two butadienes, J. Res. NBS, 1949, 42, 269-275. [all data]


Notes

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