Iodine

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, References, Notes

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

Quantity Value Units Method Reference Comment
Δfgas14.92 ± 0.02kcal/molReviewCox, Wagman, et al., 1984CODATA Review value
Δfgas14.92kcal/molReviewChase, 1998Data last reviewed in June, 1982
Quantity Value Units Method Reference Comment
gas,1 bar62.306 ± 0.001cal/mol*KReviewCox, Wagman, et al., 1984CODATA Review value
gas,1 bar62.306cal/mol*KReviewChase, 1998Data last reviewed in June, 1982

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 457.666 to 2000.2000. to 6000.
A 9.03385118.33990
B 0.053884-0.966965
C -0.218106-0.441717
D 0.2473500.052353
E -0.020035-19.69260
F 12.15790-12.87560
G 73.1166167.21479
H 14.9190014.91900
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1982 Data last reviewed in June, 1982

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, References, Notes

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

Quantity Value Units Method Reference Comment
Δfliquid3.231kcal/molReviewChase, 1998Data last reviewed in June, 1982
Quantity Value Units Method Reference Comment
liquid,1 bar35.937cal/mol*KReviewChase, 1998Data last reviewed in June, 1982
Quantity Value Units Method Reference Comment
solid,1 bar27.758 ± 0.072cal/mol*KReviewCox, Wagman, et al., 1984CODATA Review value
Quantity Value Units Method Reference Comment
solid27.758cal/mol*KReviewChase, 1998Data last reviewed in June, 1982

Liquid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 386.75 to 457.666
A 19.28040
B 1.638540×10-8
C -2.085170×10-8
D 8.898500×10-9
E 1.131891×10-10
F -2.516210
G 59.26860
H 3.232080
ReferenceChase, 1998
Comment Data last reviewed in June, 1982

Solid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. to 386.75
A -46.78860
B 219.6220
C -257.9450
D 127.7060
E 1.232410
F 10.34880
G -77.07409
H 0.000000
ReferenceChase, 1998
Comment Data last reviewed in June, 1982

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, References, Notes

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

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
311.9 to 456.3.358581039.159-146.589Stull, 1947Coefficents calculated by NIST from author's data.

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, 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
MS - José A. Martinho Simões
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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.

Reactions 1 to 50

Iodide + Iodine = I3-

By formula: I- + I2 = I3-

Quantity Value Units Method Reference Comment
Δr32.5 ± 2.4kcal/molN/ATaylor, Asmis, et al., 1999gas phase; B
Δr30.1 ± 1.4kcal/molCIDTDo, Klein, et al., 1997gas phase; B
Δr85.10kcal/molTherFinch, Gates, et al., 1977gas phase; This value is far more bound than expected from other studies; B
Δr32.60kcal/molN/ACheck, Faust, et al., 2001gas phase; FeF3-(t); ; ΔS(EA)=2.8; B
Quantity Value Units Method Reference Comment
Δr22.50kcal/molN/ACheck, Faust, et al., 2001gas phase; FeF3-(t); ; ΔS(EA)=2.8; B

Dimanganese decacarbonyl (cr) + Iodine (cr) = 2Manganese, pentacarbonyliodo- (cr)

By formula: C10Mn2O10 (cr) + I2 (cr) = 2C5IMnO5 (cr)

Quantity Value Units Method Reference Comment
Δr-44.2 ± 2.1kcal/molPCHarel and Adamson, 1986The reaction enthalpy was calculated from the enthalpy of the same reaction in cyclohexane, -44.9 ± 2.0 kcal/mol Harel and Adamson, 1986, and from the solution enthalpies of Mn2(CO)10(cr), 8.60 ± 0.50 kcal/mol, I2(cr), 4.90 ± 0.1 kcal/mol, and Mn(CO)5(I)(cr), 6.4 ± 0.1 kcal/mol Harel and Adamson, 1986. The latter value refers to the solution in benzene and is therefore taken as an approximation; MS

Dirhenium decacarbonyl (cr) + Iodine (cr) = 2Rhenium, pentacarbonyliodo- (cr)

By formula: C10O10Re2 (cr) + I2 (cr) = 2C5IO5Re (cr)

Quantity Value Units Method Reference Comment
Δr-41.1 ± 4.3kcal/molPCHarel and Adamson, 1986The reaction enthalpy was calculated from the enthalpy of the same reaction in cyclohexane, -37.6 ± 3.8 kcal/mol, and from the solution enthalpies of Re2(CO)10(cr), 8.20 ± 0.50 kcal/mol, I2(cr), 4.90 ± 0.1 kcal/mol, and Re(CO)5(I)(cr), 8.3 ± 1.0 kcal/mol Harel and Adamson, 1986; MS

Hydrogen iodide + 1-Propene, 3-iodo- = Propene + Iodine

By formula: HI + C3H5I = C3H6 + I2

Quantity Value Units Method Reference Comment
Δr-7.96 ± 0.33kcal/molEqkRodgers, Golden, et al., 1966gas phase; ALS
Δr-9.5 ± 1.0kcal/molEqkRodgers, Golden, et al., 1966gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -8.33 ± 0.23 kcal/mol; At 527 K; ALS

Hydrogen iodide + Methane, iodo- = Methane + Iodine

By formula: HI + CH3I = CH4 + I2

Quantity Value Units Method Reference Comment
Δr-12.56 ± 0.13kcal/molEqkGolden, Walsh, et al., 1965gas phase; ALS
Δr-12.67 ± 0.05kcal/molEqkGoy and Pritchard, 1965gas phase; ALS
Δr-11.0 ± 1.3kcal/molCmNichol and Ubbelohde, 1952gas phase; ALS

C12H16Nb (cr) + 2Iodine (cr) = C10H10I2Nb (cr) + 2Methane, iodo- (l)

By formula: C12H16Nb (cr) + 2I2 (cr) = C10H10I2Nb (cr) + 2CH3I (l)

Quantity Value Units Method Reference Comment
Δr-57.91 ± 0.57kcal/molRSCDiogo, Simoni, et al., 1993The difference between the enthalpies of formation of Nb(Cp)2(I)2 and Nb(Cp)2(Me)2 is calculated as -51.41 ± 0.62 kcal/mol; MS

C20H26CoN5O4 (solution) + Iodine (solution) = C13H19CoIN5O4 (solution) + Benzene, (iodomethyl)- (solution)

By formula: C20H26CoN5O4 (solution) + I2 (solution) = C13H19CoIN5O4 (solution) + C7H7I (solution)

Quantity Value Units Method Reference Comment
Δr-15.1 ± 0.91kcal/molRSCToscano, Seligson, et al., 1989solvent: Bromoform; The enthalpy of solution of Co(py)(dmg)2(Bz)(cr) was measured as 2.70 kcal/mol Toscano, Seligson, et al., 1989; MS

C14H22CoN5O4 (solution) + Iodine (solution) = C13H19CoIN5O4 (solution) + Methane, iodo- (solution)

By formula: C14H22CoN5O4 (solution) + I2 (solution) = C13H19CoIN5O4 (solution) + CH3I (solution)

Quantity Value Units Method Reference Comment
Δr-22.2 ± 0.60kcal/molRSCToscano, Seligson, et al., 1989solvent: Bromoform; The enthalpy of solution of Co(py)(dmg)2(Me)(cr) was measured as 2.61 kcal/mol Toscano, Seligson, et al., 1989; MS

Hydromanganese pentacarbonyl (l) + Iodine (cr) = Hydrogen iodide (g) + Manganese, pentacarbonyliodo- (cr)

By formula: C5HMnO5 (l) + I2 (cr) = HI (g) + C5IMnO5 (cr)

Quantity Value Units Method Reference Comment
Δr-26. ± 2.kcal/molRSCConnor, Zafarani-Moattar, et al., 1982The reaction enthalpy relies on -6. ± 1. kcal/mol for the enthalpy of solution of HI(g) in benzene Connor, Zafarani-Moattar, et al., 1982.; MS

Ethylene + Iodine = Ethane, 1,2-diiodo-

By formula: C2H4 + I2 = C2H4I2

Quantity Value Units Method Reference Comment
Δr-11.5 ± 0.2kcal/molEqkAbrams and Davis, 1954gas phase; ALS
Δr-13.4 ± 0.5kcal/molEqkCutherbertson and Kistiakowsky, 1935gas phase; Heat of dissociation; ALS

Iodine + Chlorotrifluoromethane = Methane, trifluoroiodo- + Iodine monochloride

By formula: I2 + CClF3 = CF3I + ClI

Quantity Value Units Method Reference Comment
Δr17.27 ± 0.26kcal/molEqkLord, Goy, et al., 1967gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 17.10 ± 0.17 kcal/mol; ALS

Hydrogen iodide + Cyclohexane, iodo- = Cyclohexane + Iodine

By formula: HI + C6H11I = C6H12 + I2

Quantity Value Units Method Reference Comment
Δr-7.8 ± 2.0kcal/molCmBrennan and Ubbelohde, 1956gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -6.8 ± 1.0 kcal/mol; ALS

Ethane, 1,1,1-trifluoro- + Iodine = Hydrogen iodide + 1,1,1-Trifluoro-2-iodoethane

By formula: C2H3F3 + I2 = HI + C2H2F3I

Quantity Value Units Method Reference Comment
Δr-15.3 ± 0.5kcal/molEqkWu and Rodgers, 1974gas phase; Heat of formation Unpublished results by B.J. Zwolinski; ALS

2-Bromo-1,1,1-trifluoroethane + Iodine = 1,1,1-Trifluoro-2-iodoethane + iodine bromide

By formula: C2H2BrF3 + I2 = C2H2F3I + BrI

Quantity Value Units Method Reference Comment
Δr6.6 ± 0.5kcal/molEqkBuckley, Ford, et al., 1980gas phase; GLC;hf298_gas[kcal/mol]=-166.8±1.1; Kolesov and Papina, 1983; ALS

Mercury, dimethyl- (l) + 2Iodine (cr) = 2Methane, iodo- (l) + Mercury diiodide (cr)

By formula: C2H6Hg (l) + 2I2 (cr) = 2CH3I (l) + HgI2 (cr)

Quantity Value Units Method Reference Comment
Δr-44.1 ± 0.2kcal/molRSCHartley, Pritchard, et al., 1950Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970, 2.; MS

Dirhenium decacarbonyl (solution) + Iodine (solution) = 2Rhenium, pentacarbonyliodo- (solution)

By formula: C10O10Re2 (solution) + I2 (solution) = 2C5IO5Re (solution)

Quantity Value Units Method Reference Comment
Δr-37.6 ± 3.8kcal/molPCHarel and Adamson, 1986solvent: Cyclohexane; Please also see Adamson, Vogler, et al., 1978.; MS

Gallium trimethyl (l) + 3Iodine (cr) = GaI3 (cr) + 3Methane, iodo- (l)

By formula: C3H9Ga (l) + 3I2 (cr) = GaI3 (cr) + 3CH3I (l)

Quantity Value Units Method Reference Comment
Δr-47.8 ± 2.0kcal/molRSCFowell and Mortimer, 1958Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970, 2.; MS

Gallium trimethyl (l) + 2Iodine (cr) = CH3GaI2 (cr) + 2Methane, iodo- (l)

By formula: C3H9Ga (l) + 2I2 (cr) = CH3GaI2 (cr) + 2CH3I (l)

Quantity Value Units Method Reference Comment
Δr-37.9 ± 1.0kcal/molRSCFowell and Mortimer, 1958Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970, 2.; MS

Hexamethylditin (l) + Iodine (cr) = 2C3H9ISn (l)

By formula: C6H18Sn2 (l) + I2 (cr) = 2C3H9ISn (l)

Quantity Value Units Method Reference Comment
Δr-44.00 ± 0.69kcal/molRSCPedley, Skinner, et al., 1957Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970, 2.; MS

1,2-Diiodobutane = 1-Butene + Iodine

By formula: C4H8I2 = C4H8 + I2

Quantity Value Units Method Reference Comment
Δr12.0 ± 1.5kcal/molCmCline and Kistiakowsky, 1937gas phase; Heat of formation derived by Cox and Pilcher, 1970; ALS

Tungsten, tricarbonyl(η5-2,4-cyclopentadien-1-yl)hydro- (cr) + Iodine (solution) = Hydrogen iodide (solution) + C8H5IO3W (solution)

By formula: C8H6O3W (cr) + I2 (solution) = HI (solution) + C8H5IO3W (solution)

Quantity Value Units Method Reference Comment
Δr-16.1 ± 0.91kcal/molRSCLandrum and Hoff, 1985solvent: Dichloromethane; MS

C15H12MoO3 (solution) + Iodine (solution) = C8H5IMoO3 (solution) + Benzene, (iodomethyl)- (solution)

By formula: C15H12MoO3 (solution) + I2 (solution) = C8H5IMoO3 (solution) + C7H7I (solution)

Quantity Value Units Method Reference Comment
Δr-28.8 ± 1.0kcal/molRSCNolan, de la Vega, et al., 1988solvent: Tetrahydrofuran; MS

C8H6MoO3 (cr) + Iodine (solution) = C8H5IMoO3 (solution) + Hydrogen iodide (solution)

By formula: C8H6MoO3 (cr) + I2 (solution) = C8H5IMoO3 (solution) + HI (solution)

Quantity Value Units Method Reference Comment
Δr-18.0 ± 0.60kcal/molRSCLandrum and Hoff, 1985solvent: Dichloromethane; MS

C10MnO10Re (solution) + Iodine (solution) = Rhenium, pentacarbonyliodo- (solution) + Manganese, pentacarbonyliodo- (solution)

By formula: C10MnO10Re (solution) + I2 (solution) = C5IO5Re (solution) + C5IMnO5 (solution)

Quantity Value Units Method Reference Comment
Δr-55.7 ± 3.0kcal/molPCHarel and Adamson, 1986solvent: Cyclohexane; MS

C8H5MoNaO3 (solution) + Iodine (cr) = C8H5IMoO3 (solution) + Sodium iodide (cr)

By formula: C8H5MoNaO3 (solution) + I2 (cr) = C8H5IMoO3 (solution) + INa (cr)

Quantity Value Units Method Reference Comment
Δr-31.8 ± 1.3kcal/molRSCNolan, López de la Vega, et al., 1986solvent: Tetrahydrofuran; MS

1,2-Diiodotetrafluoroethane = Ethene, tetrafluoro- + Iodine

By formula: C2F4I2 = C2F4 + I2

Quantity Value Units Method Reference Comment
Δr16.6 ± 0.5kcal/molEqkWu, Pickard, et al., 1975gas phase; Spectrophotometery at 298.15°K; ALS

2Propyl mercaptan + Iodine = 2Hydrogen iodide + Disulfide, dipropyl

By formula: 2C3H8S + I2 = 2HI + C6H14S2

Quantity Value Units Method Reference Comment
Δr-29.85kcal/molCmSunner, 1955liquid phase; solvent: Ethanol/water(90/10); ALS

21-Pentanethiol + Iodine = 2Hydrogen iodide + Disulfide, dipentyl

By formula: 2C5H12S + I2 = 2HI + C10H22S2

Quantity Value Units Method Reference Comment
Δr-29.85kcal/molCmSunner, 1955liquid phase; solvent: Ethanol/water(90/10); ALS

1,4-Butanedithiol + Iodine = 2Hydrogen iodide + 1,2-Dithiane

By formula: C4H10S2 + I2 = 2HI + C4H8S2

Quantity Value Units Method Reference Comment
Δr-29.45kcal/molCmSunner, 1955liquid phase; solvent: Ethanol/water(90/10); ALS

Octanoic acid, 6,8-dimercapto- + Iodine = 2Hydrogen iodide + Thioctic acid

By formula: C8H16O2S2 + I2 = 2HI + C8H14O2S2

Quantity Value Units Method Reference Comment
Δr-26.20kcal/molCmSunner, 1955liquid phase; solvent: Ethanol/water(90/10); ALS

C22H36Zr (solution) + 2Iodine (solution) = C20H30I2Zr (solution) + 2Methane, iodo- (solution)

By formula: C22H36Zr (solution) + 2I2 (solution) = C20H30I2Zr (solution) + 2CH3I (solution)

Quantity Value Units Method Reference Comment
Δr-70.00 ± 0.60kcal/molRSCSchock and Marks, 1988solvent: Toluene; MS

1,3-Propanedithiol + Iodine = 2Hydrogen iodide + 1,2-Dithiolane

By formula: C3H8S2 + I2 = 2HI + C3H6S2

Quantity Value Units Method Reference Comment
Δr-25.75kcal/molCmSunner, 1955liquid phase; solvent: Ethanol/water(90/10); ALS

C12H16Zr (solution) + 2Iodine (solution) = C10H10I2Zr (solution) + 2Methane, iodo- (solution)

By formula: C12H16Zr (solution) + 2I2 (solution) = C10H10I2Zr (solution) + 2CH3I (solution)

Quantity Value Units Method Reference Comment
Δr-69.60 ± 0.60kcal/molRSCSchock and Marks, 1988solvent: Toluene; MS

C22H30O2Zr (solution) + Iodine (solution) = C20H30I2Zr (solution) + 2Carbon monoxide (solution)

By formula: C22H30O2Zr (solution) + I2 (solution) = C20H30I2Zr (solution) + 2CO (solution)

Quantity Value Units Method Reference Comment
Δr-45.79 ± 0.41kcal/molRSCSchock and Marks, 1988solvent: Toluene; MS

C22H36Hf (solution) + 2Iodine (solution) = C20H30HfI2 (solution) + 2Methane, iodo- (solution)

By formula: C22H36Hf (solution) + 2I2 (solution) = C20H30HfI2 (solution) + 2CH3I (solution)

Quantity Value Units Method Reference Comment
Δr-63.41 ± 0.79kcal/molRSCSchock and Marks, 1988solvent: Toluene; MS

C37H30ClIrO3P2S (solution) + Iodine (solution) = C37H30ClI2IrOP2 (solution) + Sulfur dioxide (solution)

By formula: C37H30ClIrO3P2S (solution) + I2 (solution) = C37H30ClI2IrOP2 (solution) + O2S (solution)

Quantity Value Units Method Reference Comment
Δr-24.59 ± 0.1kcal/molRSCDrago, Nozari, et al., 1979solvent: Benzene; MS

Hydrogen iodide + Benzene, (iodomethyl)- = Toluene + Iodine

By formula: HI + C7H7I = C7H8 + I2

Quantity Value Units Method Reference Comment
Δr-7.8 ± 1.1kcal/molCmGraham, Nichol, et al., 1955liquid phase; solvent: p-Xylene; ALS

Hydrogen + 2Methane, iodo- = 2Methane + Iodine

By formula: H2 + 2CH3I = 2CH4 + I2

Quantity Value Units Method Reference Comment
Δr-30.0 ± 0.6kcal/molChydCarson, Carter, et al., 1961liquid phase; solvent: Ether; ALS

C20H32Zr (solution) + Iodine (solution) = C20H30I2Zr (solution) + Hydrogen (g)

By formula: C20H32Zr (solution) + I2 (solution) = C20H30I2Zr (solution) + H2 (g)

Quantity Value Units Method Reference Comment
Δr-73.90 ± 0.79kcal/molRSCSchock and Marks, 1988solvent: Toluene; MS

C20H32Hf (solution) + Iodine (solution) = C20H30HfI2 (solution) + Hydrogen (g)

By formula: C20H32Hf (solution) + I2 (solution) = C20H30HfI2 (solution) + H2 (g)

Quantity Value Units Method Reference Comment
Δr-70.89 ± 0.69kcal/molRSCSchock and Marks, 1988solvent: Toluene; MS

C16H10O6W2 (cr) + Iodine (solution) = 2C8H5IO3W (solution)

By formula: C16H10O6W2 (cr) + I2 (solution) = 2C8H5IO3W (solution)

Quantity Value Units Method Reference Comment
Δr-34.99 ± 0.91kcal/molRSCLandrum and Hoff, 1985solvent: Dichloromethane; MS

C16H10Mo2O6 (cr) + Iodine (solution) = 2C8H5IMoO3 (solution)

By formula: C16H10Mo2O6 (cr) + I2 (solution) = 2C8H5IMoO3 (solution)

Quantity Value Units Method Reference Comment
Δr-31.8 ± 1.0kcal/molRSCLandrum and Hoff, 1985solvent: Dichloromethane; MS

Dimanganese decacarbonyl (solution) + Iodine (solution) = 2Manganese, pentacarbonyliodo- (solution)

By formula: C10Mn2O10 (solution) + I2 (solution) = 2C5IMnO5 (solution)

Quantity Value Units Method Reference Comment
Δr-44.9 ± 2.0kcal/molPCHarel and Adamson, 1986solvent: Cyclohexane; MS

Iodide + Iodine = (Iodide • Iodine)

By formula: I- + I2 = (I- • I2)

Quantity Value Units Method Reference Comment
Δr24.0kcal/molN/ADowns and Adams, 1973gas phase; from ΔrH(f); M

Hydrogen + 2Ethane, iodo- = 2Ethane + Iodine

By formula: H2 + 2C2H5I = 2C2H6 + I2

Quantity Value Units Method Reference Comment
Δr-21.2 ± 0.80kcal/molChydAshcroft, Carson, et al., 1965liquid phase; ALS

2Propane, 2-iodo- + Mercury diiodide = C6H14Hg + 2Iodine

By formula: 2C3H7I + HgI2 = C6H14Hg + 2I2

Quantity Value Units Method Reference Comment
Δr57.92 ± 0.46kcal/molCmMortimer, Pritchard, et al., 1952liquid phase; ALS

2Propane, 1-iodo- + Mercury diiodide = C6H14Hg + 2Iodine

By formula: 2C3H7I + HgI2 = C6H14Hg + 2I2

Quantity Value Units Method Reference Comment
Δr51.56 ± 0.58kcal/molCmMortimer, Pritchard, et al., 1952liquid phase; ALS

Hydrogen iodide + Methylsulfenyliodide = Methanethiol + Iodine

By formula: HI + CH3IS = CH4S + I2

Quantity Value Units Method Reference Comment
Δr-2.88 ± 0.54kcal/molEqkShum and Benson, 1983gas phase; ALS

Acetone + Iodine = Hydrogen iodide + 1-iodoacetone

By formula: C3H6O + I2 = HI + C3H5IO

Quantity Value Units Method Reference Comment
Δr12.1 ± 1.2kcal/molEqkSolly, Golden, et al., 1970gas phase; ALS

Iodine + Bromotrifluoromethane = Methane, trifluoroiodo- + iodine bromide

By formula: I2 + CBrF3 = CF3I + BrI

Quantity Value Units Method Reference Comment
Δr9.55 ± 0.03kcal/molEqkLord, Goy, et al., 1967gas phase; ALS

Henry's Law 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: Rolf Sander

Henry's Law constant (water solution)

kH(T) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)

H (mol/(kg*bar)) d(ln(kH))/d(1/T) (K) Method Reference Comment
3.04400.RN/A 
1.1 CN/A missing citation quote a paper as the source that gives only the solubility but not the Henry's law constant.
3.34800.TN/A 
3.14600.RN/A 

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Notes

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

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Brennan, D.; Ubbelohde, A.R., A thermochemical evaluation of bond strengths in some carbon compounds. Part IV. Bond-strength differences based on the reaction: RI + HI = RH + I2, where R = p-methoxyphenyl and cyclohexyl, J. Chem. Soc., 1956, 3011-3016. [all data]

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Wu, E.; Rodgers, A.S., Thermochemistry of gas-phase equilibrium CF3CH3 + I2 = CF3CH2I + HI. The carbon-hydrogen bond dissociation energy in 1,1,1-trifluoroethane and the heat of formation of the 2,2,2-trifluoroethyl radical, J. Phys. Chem., 1974, 78, 2315-2317. [all data]

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Sunner, S., Strain in 6,8-thioctic acid, Nature (London), 1955, 176, 217. [all data]

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Graham, W.S.; Nichol, R.J.; Ubbelohde, A.R., A thermochemical evaluation of bond strengths in some carbon compounds. Part III. Bond strengths based on the reactions: (a) Ph·CH2I + HI=Ph·CH3 + I2 and (b) PhI + HI=PhH + I2, J. Chem. Soc., 1955, 115-121. [all data]

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Solly, R.K.; Golden, D.M.; Benson, S.W., Thermochemical properties of iodoacetone. Intramolecular electrostatic interactions in polar molecules, J. Am. Chem. Soc., 1970, 92, 4653-4656. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, References