Acetic acid, iodo-


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 by: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub20.7 ± 0.24kcal/molMELagoa, Diogo, et al., 2001 

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference
3.70355.1DSCLagoa, Diogo, et al., 2001

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

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Individual Reactions

ICH2CO2 anion + Hydrogen cation = Acetic acid, iodo-

By formula: C2H2IO2- + H+ = C2H3IO2

Quantity Value Units Method Reference Comment
Δr334.7 ± 2.2kcal/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Quantity Value Units Method Reference Comment
Δr327.7 ± 2.0kcal/molIMRECaldwell, Renneboog, et al., 1989gas 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 compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
9.6PEWatanabe, Yokoyama, et al., 1973LLK
11.03PEWatanabe, Yokoyama, et al., 1973Vertical value; LLK

De-protonation reactions

ICH2CO2 anion + Hydrogen cation = Acetic acid, iodo-

By formula: C2H2IO2- + H+ = C2H3IO2

Quantity Value Units Method Reference Comment
Δr334.7 ± 2.2kcal/molG+TSCaldwell, Renneboog, et al., 1989gas phase; B
Quantity Value Units Method Reference Comment
Δr327.7 ± 2.0kcal/molIMRECaldwell, Renneboog, et al., 1989gas phase; B

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center, 1998.
NIST MS number 291039

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UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Durie and Jarvie, 1950
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 10194
Instrument Beckman spectrophotometer
Melting point 82.5
Boiling point dec

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.

Lagoa, Diogo, et al., 2001
Lagoa, Ana L.C.; Diogo, Hermínio P.; Dias, M. Pilar; Minas da Piedade, Manuel E.; Amaral, Luísa M.P.F.; Ribeiro da Silva, Manuel A.V.; Martinho Simões, José A.; Guedes, Rita C.; Costa Cabral, Benedito J.; Schwarz, Karsten; Epple, Matthias, Energetics of C-Cl, C-Br, and C-I Bonds in Haloacetic Acids: Enthalpies of Formation of XCH2COOH (X=Cl, Br, I) Compounds and the Carboxymethyl Radical, Chem. Eur. J., 2001, 7, 2, 483-489, https://doi.org/10.1002/1521-3765(20010119)7:2<483::AID-CHEM483>3.0.CO;2-A . [all data]

Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P., Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria, Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092 . [all data]

Watanabe, Yokoyama, et al., 1973
Watanabe, I.; Yokoyama, Y.; Ikeda, S., Lone pair ionization potentials of carboxylic acids determined by He(I) photoelectron spectroscopy, Bull. Chem. Soc. Jpn., 1973, 46, 1959. [all data]

Durie and Jarvie, 1950
Durie, R.A.; Jarvie, J.M.S., J. Chem. Soc., 1950, 1181. [all data]


Notes

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