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Niacin

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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 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

C6H4NO2- + Hydrogen cation = Niacin

By formula: C6H4NO2- + H+ = C6H5NO2

Quantity Value Units Method Reference Comment
Deltar1399. ± 8.4kJ/molCIDCSchafman and Wenthold, 2007gas phase
Deltar1395. ± 12.kJ/molG+TSBreuker, Knochenmuss, et al., 1999gas phase; Acid: nicotinic acid
Quantity Value Units Method Reference Comment
Deltar1370. ± 9.2kJ/molH-TSSchafman and Wenthold, 2007gas phase
Deltar1366. ± 11.kJ/molIMRBBreuker, Knochenmuss, et al., 1999gas phase; Acid: nicotinic acid

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.

Schafman and Wenthold, 2007
Schafman, B.S.; Wenthold, P.G., Regioselectivity of pyridine deprotonation in the gas phase, J. Org. Chem., 2007, 72, 5, 1645-1651, https://doi.org/10.1021/jo062117x . [all data]

Breuker, Knochenmuss, et al., 1999
Breuker, K.; Knochenmuss, R.; Zenobi, R., Gas-phase basicities of deprotonated matrix-assisted laser desorption/ionization matrix molecules, Int. J. Mass Spectrom., 1999, 184, 1, 25-38, https://doi.org/10.1016/S1387-3806(98)14200-8 . [all data]


Notes

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