Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Thiophene

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.


Reaction thermochemistry data

Go To: Top, 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

C4H3S- + Hydrogen cation = Thiophene

By formula: C4H3S- + H+ = C4H4S

Quantity Value Units Method Reference Comment
Deltar1595. ± 13.kJ/molG+TSDePuy, Kass, et al., 1988gas phase; Between MeOH, EtOH. D exchange implies anion at C-2.; B
Quantity Value Units Method Reference Comment
Deltar1561. ± 13.kJ/molIMRBDePuy, Kass, et al., 1988gas phase; Between MeOH, EtOH. D exchange implies anion at C-2.; B

C4H4S+ + Thiophene = (C4H4S+ bullet Thiophene)

By formula: C4H4S+ + C4H4S = (C4H4S+ bullet C4H4S)

Quantity Value Units Method Reference Comment
Deltar70.7kJ/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Deltar96.7J/mol*KPHPMSHiraoka, Takimoto, et al., 1987gas phase; M

(C4H4S+ bullet Thiophene) + Thiophene = (C4H4S+ bullet 2Thiophene)

By formula: (C4H4S+ bullet C4H4S) + C4H4S = (C4H4S+ bullet 2C4H4S)

Quantity Value Units Method Reference Comment
Deltar31.kJ/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; «DELTA»rH<; M

C4H5S+ + Thiophene = (C4H5S+ bullet Thiophene)

By formula: C4H5S+ + C4H4S = (C4H5S+ bullet C4H4S)

Quantity Value Units Method Reference Comment
Deltar48.1kJ/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; «DELTA»rH<; M

References

Go To: Top, Reaction thermochemistry data, Notes

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

DePuy, Kass, et al., 1988
DePuy, C.H.; Kass, S.R.; Bean, G.P., Formation and Reactions of Heteroaromatic Anions in the Gas Phase, J. Org. Chem., 1988, 53, 19, 4427, https://doi.org/10.1021/jo00254a001 . [all data]

Hiraoka, Takimoto, et al., 1987
Hiraoka, K.; Takimoto, H.; Yamabe, S., Stabilities and Structures in Cluster Ions of Five-Membered Heterocyclic Compounds Containing O, N and S Atoms, J. Am. Chem. Soc., 1987, 109, 24, 7346, https://doi.org/10.1021/ja00258a018 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, References