2,4-Difluoroaniline

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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil442.6KN/APCR Inc., 1990BS
Quantity Value Units Method Reference Comment
Δvap52.1 ± 0.5kJ/molCRibeiro da Silva, Ferreira, et al., 2007AC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
443.21.00Weast and Grasselli, 1989BS

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

C6H4F2N- + Hydrogen cation = 2,4-Difluoroaniline

By formula: C6H4F2N- + H+ = C6H5F2N

Quantity Value Units Method Reference Comment
Δr1510. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1480. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale

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 compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

View reactions leading to C6H5F2N+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.54PEFurin, Sultanov, et al., 1987Vertical value; LBLHLM

De-protonation reactions

C6H4F2N- + Hydrogen cation = 2,4-Difluoroaniline

By formula: C6H4F2N- + H+ = C6H5F2N

Quantity Value Units Method Reference Comment
Δr1510. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1480. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

References

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Notes

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

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Ribeiro da Silva, Ferreira, et al., 2007
Ribeiro da Silva, Manuel A.V.; Ferreira, Ana I.M.C.L.; Gomes, José R.B., Combined Experimental and Computational Study of the Thermochemistry of the Fluoroaniline Isomers, J. Phys. Chem. B, 2007, 111, 8, 2052-2061, https://doi.org/10.1021/jp0672407 . [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Furin, Sultanov, et al., 1987
Furin, G.G.; Sultanov, A.S.; Furlei, I.I., Photoelectronic spectra of fluorine-containing aromatic amines, Dokl. Phys. Chem., 1987, 530. [all data]


Notes

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