Methyl Alcohol

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Gas phase thermochemistry data

Go To: Top, 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.

Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-205. ± 10.kJ/molAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Δcgas-763.68 ± 0.20kJ/molCmRossini, 1932Flame Calorimetry; Corresponding Δfgas = -201.49 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
34.0050.Thermodynamics Research Center, 1997p=1 bar. Recommended entropies and heat capacities are in good agreement with other statistically calculated values [ Ivash E.V., 1955, Zhuravlev E.Z., 1959, Chen S.S., 1977, Chao J., 1986, Gurvich, Veyts, et al., 1989]. Please also see Chao J., 1986, 2.; GT
36.95100.
38.64150.
39.71200.
42.59273.15
44.06 ± 0.03298.15
44.17300.
51.63400.
59.70500.
67.19600.
73.86700.
79.76800.
84.95900.
89.541000.
93.571100.
97.121200.
100.241300.
102.981400.
105.401500.
110.21750.
113.82000.
116.52250.
118.62500.
120.2750.
121.3000.

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
42.4 ± 1.3279.Stromsoe E., 1970Heat capacity at 279 K was obtained by thermal conductivity [ Halford J.O., 1957]. Vapor heat capacities from calorimetric measurements [ De Vries T., 1941] were converted to the ideal gas heat capacities by corrections for the gas imperfection effects [ Chen S.S., 1977, Chao J., 1986, 2]. Ideal gas heat capacities are given by [ Stromsoe E., 1970] as a linear function Cp=f1*(a+bT). This expression approximates the experimental values with the average deviation of 1.17 J/mol*K. The accuracy of the experimental heat capacities [ Stromsoe E., 1970] is estimated as less than 0.3%. Please also see De Vries T., 1941, Weltner W., 1951, Halford J.O., 1957.; GT
48.0 ± 1.3345.6
46.8 ± 1.2347.35
46.1 ± 1.3349.65
47.6 ± 1.2356.55
46.7 ± 1.3358.15
48.2 ± 1.3358.85
48.8 ± 1.3359.85
50.3 ± 1.3368.15
49.0 ± 1.2373.35
51.3 ± 1.3382.15
51.1 ± 1.2398.95
52.3 ± 1.3401.15
51.3 ± 1.2401.35
52.01 ± 0.42403.2
53.2 ± 1.3420.15
53.9 ± 1.2431.45
54.8 ± 1.2442.15
55.9 ± 1.3442.65
56.0 ± 1.2457.35
57.20 ± 0.42464.0
57.8 ± 1.2477.75
58.4 ± 1.2485.05
59.5 ± 1.2498.95
60.4 ± 1.3521.2
61.4 ± 1.2521.35
64.3 ± 1.2555.95
66.4 ± 1.2581.35
66.8 ± 1.2585.35

Phase change data

Go To: Top, Gas 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.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Quantity Value Units Method Reference Comment
Tboil337.8 ± 0.3KAVGN/AAverage of 154 out of 171 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus176. ± 1.KAVGN/AAverage of 13 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple175.5 ± 0.5KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Tc513. ± 1.KAVGN/AAverage of 27 out of 31 values; Individual data points
Quantity Value Units Method Reference Comment
Pc81. ± 1.barAVGN/AAverage of 17 out of 20 values; Individual data points
Quantity Value Units Method Reference Comment
Vc0.117l/molN/AGude and Teja, 1995 
Vc0.113024l/molN/ACraven and de Reuck, 1986TRC
Vc0.118l/molN/AFrancesconi, Lentz, et al., 1981Uncertainty assigned by TRC = 0.004 l/mol; TRC
Vc0.11663l/molN/AZubarev and Bagdonas, 1969Uncertainty assigned by TRC = 0.0035 l/mol; TRC
Quantity Value Units Method Reference Comment
ρc8.51 ± 0.07mol/lAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap37.6 ± 0.5kJ/molAVGN/AAverage of 11 out of 12 values; Individual data points

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
35.21337.7N/AMajer and Svoboda, 1985 
39.2258.AStephenson and Malanowski, 1987Based on data from 175. to 273. K.; AC
36.9353.AStephenson and Malanowski, 1987Based on data from 338. to 487. K.; AC
43.7213.AStephenson and Malanowski, 1987Based on data from 188. to 228. K.; AC
38.9275.AStephenson and Malanowski, 1987Based on data from 224. to 290. K.; AC
38.3300.AStephenson and Malanowski, 1987Based on data from 285. to 345. K.; AC
37.0350.AStephenson and Malanowski, 1987Based on data from 335. to 376. K.; AC
36.1388.AStephenson and Malanowski, 1987Based on data from 373. to 458. K.; AC
35.1468.AStephenson and Malanowski, 1987Based on data from 453. to 513. K.; AC
32.7373.CYerlett and Wormald, 1986AC
28.1423.CYerlett and Wormald, 1986AC
20.6473.CYerlett and Wormald, 1986AC
7.4510.CYerlett and Wormald, 1986AC
37.5331.EBCervenkova and Boublik, 1984Based on data from 316. to 336. K.; AC
38.3303.N/AGibbard and Creek, 1974Based on data from 288. to 337. K. See also Boublik, Fried, et al., 1984.; AC
35.2 ± 0.1338.CCounsell and Lee, 1973AC
35.6 ± 0.1331.CCounsell and Lee, 1973AC
36.2 ± 0.1321.CCounsell and Lee, 1973AC
37.0 ± 0.1306.CCounsell and Lee, 1973AC
36.7 ± 0.1313.CSvoboda, Veselý, et al., 1973AC
36.2 ± 0.1323.CSvoboda, Veselý, et al., 1973AC
35.6 ± 0.1333.CSvoboda, Veselý, et al., 1973AC
35.3 ± 0.1338.CSvoboda, Veselý, et al., 1973AC
34.7 ± 0.1343.CSvoboda, Veselý, et al., 1973AC
37.0352.N/AWilhoit and Zwolinski, 1973Based on data from 337. to 383. K.; AC
38.7290.EBBoublík and Aim, 1972Based on data from 275. to 336. K. See also Stephenson and Malanowski, 1987.; AC
38.3303.EBAmbrose and Sprake, 1970Based on data from 288. to 357. K.; AC
36.3368.N/AHirata, Suda, et al., 1967Based on data from 353. to 483. K.; AC
38.4293.N/AKlyueva, Mischenko, et al., 1960Based on data from 278. to 323. K.; AC

Enthalpy of vaporization

ΔvapH = A exp(-αTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) 298. to 477.
A (kJ/mol) 45.3
α -0.31
β 0.4241
Tc (K) 512.6
ReferenceMajer and Svoboda, 1985

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
353.5 to 512.635.158531569.613-34.846Ambrose, Sprake, et al., 1975Coefficents calculated by NIST from author's data.
288.1 to 356.835.204091581.341-33.50Ambrose and Sprake, 1970Coefficents calculated by NIST from author's data.
353. to 483.5.313011676.569-21.728Hirata and Suda, 1967Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
3.18175.3Domalski and Hearing, 1996AC
2.196176.Maass and Walbauer, 1925DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
12.5176.Maass and Walbauer, 1925DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
3.7161.1Domalski and Hearing, 1996CAL
18.1175.3
4.0157.3
18.3175.6

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.6360157.34crystaline, IIcrystaline, ICarlson and Westrum, 1971DH
3.2154175.59crystaline, IliquidCarlson and Westrum, 1971DH
1.540103.crystalineglassSugisaki, Suga, et al., 1968Glass transition.; DH
0.711157.8crystaline, IIcrystaline, IStaveley and Gupta, 1949DH
3.159175.4crystaline, IliquidStaveley and Gupta, 1949DH
0.6456157.4crystaline, IIcrystaline, IKelley, 1929DH
3.167175.2crystaline, IliquidKelley, 1929DH
0.590161.1crystaline, IIcrystaline, IParks, 1925DH
3.176175.3crystaline, IliquidParks, 1925DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
4.04157.34crystaline, IIcrystaline, ICarlson and Westrum, 1971DH
18.31175.59crystaline, IliquidCarlson and Westrum, 1971DH
14.95103.crystalineglassSugisaki, Suga, et al., 1968Glass; DH
4.51157.8crystaline, IIcrystaline, IStaveley and Gupta, 1949DH
18.01175.4crystaline, IliquidStaveley and Gupta, 1949DH
4.10157.4crystaline, IIcrystaline, IKelley, 1929DH
18.08175.2crystaline, IliquidKelley, 1929DH
3.66161.1crystaline, IIcrystaline, IParks, 1925DH
18.12175.3crystaline, IliquidParks, 1925DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction thermochemistry data

Go To: Top, Gas 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
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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

Chlorine anion + Methyl Alcohol = (Chlorine anion • Methyl Alcohol)

By formula: Cl- + CH4O = (Cl- • CH4O)

Quantity Value Units Method Reference Comment
Δr69. ± 10.kJ/molAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Δr94.6J/mol*KHPMSEvans and Keesee, 1991gas phase; M
Δr101.J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
Δr92.0J/mol*KPHPMSSieck, 1985gas phase; M
Δr95.8J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δr61.9J/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr42. ± 3.kJ/molAVGN/AAverage of 10 values; Individual data points

CH3O- + Hydrogen cation = Methyl Alcohol

By formula: CH3O- + H+ = CH4O

Quantity Value Units Method Reference Comment
Δr1597. ± 8.kJ/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Δr1573.3 ± 2.6kJ/molH-TSNee, Osterwalder, et al., 2006gas phase; B
Δr1573.4 ± 2.3kJ/molH-TSOsborn, Leahy, et al., 1998gas phase; B
Δr1565. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; The acidity is 1.2 kcal/mol stronger than that from the D-EA cycle, due to the multi-compound fit for the acidity scale.; value altered from reference due to change in acidity scale; B
Δr1567. ± 8.8kJ/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Δr1569.4 ± 2.5kJ/molTDEqMeot-ner and Sieck, 1986gas phase; Experimental entropy: 21.5 eu, 0.6 less than H2O; B

CH5O+ + Methyl Alcohol = (CH5O+ • Methyl Alcohol)

By formula: CH5O+ + CH4O = (CH5O+ • CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr136.kJ/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr135.kJ/molPHPMSSzulejko and McMahon, 1992gas phase; M
Δr134.kJ/molPHPMSMeot-Ner(Mautner), 1986gas phase; M
Δr138.kJ/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Δr141.kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O; Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
Δr121.J/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr122.J/mol*KPHPMSSzulejko and McMahon, 1992gas phase; M
Δr111.J/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; M
Δr128.J/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M
Δr119.J/mol*KN/ALarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O; Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
Δr105.kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O; Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

CH3O- + Methyl Alcohol = (CH3O- • Methyl Alcohol)

By formula: CH3O- + CH4O = (CH3O- • CH4O)

Quantity Value Units Method Reference Comment
Δr123. ± 4.2kJ/molTDAsPaul and Kebarle, 1990gas phase; B,M
Δr120.5 ± 1.3kJ/molTDAsMeot-ner and Sieck, 1986gas phase; B,M
Δr123. ± 10.kJ/molTDAsCaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B
Δr79.5 ± 8.4kJ/molN/AMoylan, Dodd, et al., 1985gas phase; B
Quantity Value Units Method Reference Comment
Δr133.J/mol*KPHPMSPaul and Kebarle, 1990gas phase; M
Δr112.J/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Δr84.94kJ/molIMREMustanir, Matsuoka, et al., 2006gas phase; B
Δr82.8 ± 4.2kJ/molTDAsPaul and Kebarle, 1990gas phase; B
Δr87.0 ± 2.1kJ/molTDAsMeot-ner and Sieck, 1986gas phase; B
Δr84.9 ± 6.7kJ/molTDAsCaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
79.9296.FAMacKay and Bohme, 1978gas phase; From thermochemical cycle,switching reaction(CH3O-)H2O; Meot-Ner(Mautner), 1986; M

C4H9O- + Methyl Alcohol = (C4H9O- • Methyl Alcohol)

By formula: C4H9O- + CH4O = (C4H9O- • CH4O)

Quantity Value Units Method Reference Comment
Δr107. ± 4.2kJ/molTDEqMeot-Ner and Sieck, 1986gas phase; B,M
Δr97.9 ± 9.2kJ/molCIDTDeTuri and Ervin, 1999gas phase; B
Δr109. ± 10.kJ/molN/ACaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; B,M
Quantity Value Units Method Reference Comment
Δr117.J/mol*KN/AMeot-Ner and Sieck, 1986gas phase; Entropy change calculated or estimated; M
Δr123.J/mol*KN/ACaldwell, Rozeboom, et al., 1984gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; re-evaluated using Meot-Ner(Mautner), 1986 and Paul and Kebarle, 1990; M
Quantity Value Units Method Reference Comment
Δr42.68kJ/molIMREMustanir, Matsuoka, et al., 2006gas phase; B
Δr71.5 ± 6.7kJ/molTDEqMeot-Ner and Sieck, 1986gas phase; B
Δr72.4 ± 6.7kJ/molIMRECaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; B,M

C2H5O- + Methyl Alcohol = (C2H5O- • Methyl Alcohol)

By formula: C2H5O- + CH4O = (C2H5O- • CH4O)

Quantity Value Units Method Reference Comment
Δr114. ± 12.kJ/molIMRECaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M
Δr107. ± 7.9kJ/molCIDTDeTuri and Ervin, 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr123.J/mol*KN/ACaldwell, Rozeboom, et al., 1984gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; re-evaluated using Meot-Ner(Mautner), 1986 and Paul and Kebarle, 1990; M
Quantity Value Units Method Reference Comment
Δr77.8 ± 8.4kJ/molIMRECaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
56.1296.FAMackay, Rakshit, et al., 1982gas phase; From thermochemical cycle,switching reaction(CH3O-)CH3OH; Caldwell and Kebarle, 1986, Taft, 1983; M

(Chlorine anion • Methyl Alcohol) + Methyl Alcohol = (Chlorine anion • 2Methyl Alcohol)

By formula: (Cl- • CH4O) + CH4O = (Cl- • 2CH4O)

Quantity Value Units Method Reference Comment
Δr59.0 ± 1.7kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr57.32 ± 0.84kJ/molTDAsEvans and Keesee, 1991gas phase; B,M
Δr59.0 ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
Δr54.4 ± 2.9kJ/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr101.J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
Δr92.0J/mol*KHPMSEvans and Keesee, 1991gas phase; M
Δr81.2J/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr30.5kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr29.7kJ/molTDAsEvans and Keesee, 1991gas phase; B
Δr28. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
Δr30.1 ± 1.7kJ/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

(Chlorine anion • 2Methyl Alcohol) + Methyl Alcohol = (Chlorine anion • 3Methyl Alcohol)

By formula: (Cl- • 2CH4O) + CH4O = (Cl- • 3CH4O)

Quantity Value Units Method Reference Comment
Δr48.12 ± 0.84kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr45.2 ± 1.3kJ/molTDAsEvans and Keesee, 1991gas phase; B,M
Δr49.4 ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
Δr51.5 ± 2.5kJ/molN/AYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr95.8J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
Δr95.0J/mol*KHPMSEvans and Keesee, 1991gas phase; M
Δr98.7J/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr21.2kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr16.7kJ/molTDAsEvans and Keesee, 1991gas phase; B
Δr21. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
Δr21.8 ± 1.3kJ/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

C8H5- + Methyl Alcohol = (C8H5- • Methyl Alcohol)

By formula: C8H5- + CH4O = (C8H5- • CH4O)

Quantity Value Units Method Reference Comment
Δr90.0 ± 8.4kJ/molIMREChabinyc and Brauman, 1999gas phase; B
Δr90. ± 12.kJ/molN/ACaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M
Quantity Value Units Method Reference Comment
Δr123.J/mol*KN/ACaldwell, Rozeboom, et al., 1984gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; re-evaluated using Meot-Ner(Mautner), 1986 and Paul and Kebarle, 1990; M
Quantity Value Units Method Reference Comment
Δr46.0 ± 8.4kJ/molIMREChabinyc and Brauman, 1999gas phase; B
Δr53.1 ± 8.4kJ/molIMRECaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M

CN- + Methyl Alcohol = (CN- • Methyl Alcohol)

By formula: CN- + CH4O = (CN- • CH4O)

Quantity Value Units Method Reference Comment
Δr65.7 ± 3.3kJ/molTDAsLarson, Szulejko, et al., 1988gas phase; B,M
Δr69.5 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B
Δr69. ± 15.kJ/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr96.J/mol*KPHPMSLarson, Szulejko, et al., 1988gas phase; M
Δr102.J/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Δr36.8 ± 0.84kJ/molTDAsLarson, Szulejko, et al., 1988gas phase; B
Δr43.5 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B
Δr38. ± 9.6kJ/molIMRELarson and McMahon, 1987gas phase; B,M

Lithium ion (1+) + Methyl Alcohol = (Lithium ion (1+) • Methyl Alcohol)

By formula: Li+ + CH4O = (Li+ • CH4O)

Quantity Value Units Method Reference Comment
Δr154. ± 7.9kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr159.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H20, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
Δr160.kJ/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KN/AWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H20, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
Quantity Value Units Method Reference Comment
Δr127.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H20, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M

Iodide + Methyl Alcohol = (Iodide • Methyl Alcohol)

By formula: I- + CH4O = (I- • CH4O)

Quantity Value Units Method Reference Comment
Δr49.79 ± 0.84kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr47.3 ± 4.2kJ/molTDAsCaldwell and Kebarle, 1984gas phase; B,M
Δr46.9kJ/molPHPMSHiraoka and Yamabe, 1991gas phase; M
Δr46.kJ/molPHPMSCaldwell, Masucci, et al., 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr71.5J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Δr74.5J/mol*KPHPMSCaldwell and Kebarle, 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr24.1kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr25. ± 4.2kJ/molTDAsCaldwell and Kebarle, 1984gas phase; B
Δr24. ± 8.4kJ/molIMRETanabe, Morgon, et al., 1996gas phase; Anchored to H2O..I- of Caldwell and Kebarle, 1984; B

C2H5O+ + Methyl Alcohol = (C2H5O+ • Methyl Alcohol)

By formula: C2H5O+ + CH4O = (C2H5O+ • CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr127.kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
Δr113.J/mol*KN/ALarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
Δr93.3kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

C2H7O+ + Methyl Alcohol = (C2H7O+ • Methyl Alcohol)

By formula: C2H7O+ + CH4O = (C2H7O+ • CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr124.kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
Δr111.J/mol*KN/ALarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
Δr90.8kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

C3H7O- + Methyl Alcohol = (C3H7O- • Methyl Alcohol)

By formula: C3H7O- + CH4O = (C3H7O- • CH4O)

Quantity Value Units Method Reference Comment
Δr113. ± 12.kJ/molN/ACaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M
Quantity Value Units Method Reference Comment
Δr123.J/mol*KN/ACaldwell, Rozeboom, et al., 1984gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; re-evaluated using Meot-Ner(Mautner), 1986 and Paul and Kebarle, 1990; M
Quantity Value Units Method Reference Comment
Δr76.1 ± 8.4kJ/molIMRECaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M

Fluorine anion + Methyl Alcohol = (Fluorine anion • Methyl Alcohol)

By formula: F- + CH4O = (F- • CH4O)

Quantity Value Units Method Reference Comment
Δr124. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr123. ± 9.2kJ/molCIDTDeTuri and Ervin, 1999gas phase; B
Δr97.5 ± 8.4kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr105.J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Δr94.6J/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr95.4 ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr66.1 ± 8.4kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Chlorine anion • 3Methyl Alcohol) + Methyl Alcohol = (Chlorine anion • 4Methyl Alcohol)

By formula: (Cl- • 3CH4O) + CH4O = (Cl- • 4CH4O)

Quantity Value Units Method Reference Comment
Δr43.9 ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
Δr43.93kJ/molTDAsEvans and Keesee, 1991gas phase; B
Δr46.9 ± 2.5kJ/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr95.8J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
Δr110.J/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr15. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
Δr15.5kJ/molTDAsEvans and Keesee, 1991gas phase; B
Δr13.8 ± 0.84kJ/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

Bromine anion + Methyl Alcohol = (Bromine anion • Methyl Alcohol)

By formula: Br- + CH4O = (Br- • CH4O)

Quantity Value Units Method Reference Comment
Δr60.67 ± 0.42kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr58.2 ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr73.6J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr33.5 ± 0.42kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr36. ± 8.4kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B
Δr35. ± 8.4kJ/molIMRETanabe, Morgon, et al., 1996gas phase; Anchored to H2O..Br- of Hiraoka, Mizure, et al., 19882; B

C3H9Si+ + Methyl Alcohol = (C3H9Si+ • Methyl Alcohol)

By formula: C3H9Si+ + CH4O = (C3H9Si+ • CH4O)

Quantity Value Units Method Reference Comment
Δr164.kJ/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr124.J/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
106.468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M

Sodium ion (1+) + Methyl Alcohol = (Sodium ion (1+) • Methyl Alcohol)

By formula: Na+ + CH4O = (Na+ • CH4O)

Quantity Value Units Method Reference Comment
Δr97.1 ± 5.4kJ/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Δr91.6 ± 5.9kJ/molCIDTArmentrout and Rodgers, 2000RCD
Δr100. ± 0.8kJ/molHPMSHoyau, Norrman, et al., 1999RCD
Δr111. ± 0.8kJ/molHPMSGuo, Conklin, et al., 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr85800.J/mol*KHPMSHoyau, Norrman, et al., 1999RCD
Δr102.J/mol*KHPMSGuo, Conklin, et al., 1989gas phase; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
72.4298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

(Chlorine anion • 4Methyl Alcohol) + Methyl Alcohol = (Chlorine anion • 5Methyl Alcohol)

By formula: (Cl- • 4CH4O) + CH4O = (Cl- • 5CH4O)

Quantity Value Units Method Reference Comment
Δr38. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
Δr43.9 ± 2.1kJ/molN/AYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr90.8J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
Δr107.J/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr11. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
Δr12.1 ± 0.42kJ/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

Water + Propane, 2,2-dimethoxy- = 2Methyl Alcohol + Acetone

By formula: H2O + C5H12O2 = 2CH4O + C3H6O

Quantity Value Units Method Reference Comment
Δr20.3 ± 0.04kJ/molCmWiberg, Morgan, et al., 1994liquid phase; ALS
Δr20.43 ± 0.04kJ/molCmWiberg and Squires, 1979liquid phase; Heat of hydrolysis; ALS
Δr20.433 ± 0.028kJ/molCmWiberg and Squires, 1979, 2liquid phase; solvent: Water; Hydrolysis; ALS
Δr-16.5 ± 0.2kJ/molCmStern and Dorer, 1962liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 15.4 ± 0.2 kJ/mol; Heat of hydrolysis; ALS

(CH5O+ • Methyl Alcohol) + Methyl Alcohol = (CH5O+ • 2Methyl Alcohol)

By formula: (CH5O+ • CH4O) + CH4O = (CH5O+ • 2CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr88.7kJ/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr87.9kJ/molPHPMSMeot-Ner(Mautner), 1986gas phase; M
Δr89.1kJ/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr113.J/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr108.J/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; M
Δr118.J/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

C5H11O- + Methyl Alcohol = (C5H11O- • Methyl Alcohol)

By formula: C5H11O- + CH4O = (C5H11O- • CH4O)

Quantity Value Units Method Reference Comment
Δr108. ± 12.kJ/molN/ACaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr71.1 ± 8.4kJ/molIMRECaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B

C6H11S2- + Methyl Alcohol = (C6H11S2- • Methyl Alcohol)

By formula: C6H11S2- + CH4O = (C6H11S2- • CH4O)

Quantity Value Units Method Reference Comment
Δr92. ± 10.kJ/molN/ACaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr55.2 ± 6.7kJ/molIMRECaldwell, Rozeboom, et al., 1984gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B

(Copper ion (1+) • Methyl Alcohol) + Methyl Alcohol = (Copper ion (1+) • 2Methyl Alcohol)

By formula: (Cu+ • CH4O) + CH4O = (Cu+ • 2CH4O)

Quantity Value Units Method Reference Comment
Δr57.7kJ/molHPMSEl-Shall, Schriver, et al., 1989gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AEl-Shall, Schriver, et al., 1989gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M
Quantity Value Units Method Reference Comment
Δr26.kJ/molHPMSEl-Shall, Schriver, et al., 1989gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M

(CH5O+ • 2Water • 3Methyl Alcohol) + Water = (CH5O+ • 3Water • 3Methyl Alcohol)

By formula: (CH5O+ • 2H2O • 3CH4O) + H2O = (CH5O+ • 3H2O • 3CH4O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr38.kJ/molPHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr92.J/mol*KN/AMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
13.272.PHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

(CH5O+ • 3Water • 2Methyl Alcohol) + Water = (CH5O+ • 4Water • 2Methyl Alcohol)

By formula: (CH5O+ • 3H2O • 2CH4O) + H2O = (CH5O+ • 4H2O • 2CH4O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr39.kJ/molPHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr92.J/mol*KN/AMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
13.272.PHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

(CH5O+ • 4Water • Methyl Alcohol) + Water = (CH5O+ • 5Water • Methyl Alcohol)

By formula: (CH5O+ • 4H2O • CH4O) + H2O = (CH5O+ • 5H2O • CH4O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr39.kJ/molPHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr92.J/mol*KN/AMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
15.269.PHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

(CH5O+ • Water) + Methyl Alcohol = (CH5O+ • Methyl Alcohol • Water)

By formula: (CH5O+ • H2O) + CH4O = (CH5O+ • CH4O • H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr103.kJ/molPHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr120.J/mol*KN/AMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
48.5452.PHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

C6H5NO2- + Methyl Alcohol = (C6H5NO2- • Methyl Alcohol)

By formula: C6H5NO2- + CH4O = (C6H5NO2- • CH4O)

Quantity Value Units Method Reference Comment
Δr63.18 ± 0.84kJ/molTDAsSieck, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr109.J/mol*KPHPMSSieck, 1985gas phase; M
Quantity Value Units Method Reference Comment
Δr30.5 ± 1.7kJ/molTDAsSieck, 1985gas phase; B
Δr26. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
26.343.PHPMSChowdhury, 1987gas phase; M

Copper ion (1+) + Methyl Alcohol = (Copper ion (1+) • Methyl Alcohol)

By formula: Cu+ + CH4O = (Cu+ • CH4O)

Quantity Value Units Method Reference Comment
Δr56.1kJ/molHPMSEl-Shall, Schriver, et al., 1989gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AEl-Shall, Schriver, et al., 1989gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M
Quantity Value Units Method Reference Comment
Δr25.kJ/molHPMSEl-Shall, Schriver, et al., 1989gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M

(Fluorine anion • Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 2Methyl Alcohol)

By formula: (F- • CH4O) + CH4O = (F- • 2CH4O)

Quantity Value Units Method Reference Comment
Δr84.9 ± 1.3kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr80.8 ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr97.1J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr54.27kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr51.9 ± 8.4kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • 2Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 3Methyl Alcohol)

By formula: (F- • 2CH4O) + CH4O = (F- • 3CH4O)

Quantity Value Units Method Reference Comment
Δr63.2 ± 2.5kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr60.7 ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr88.7J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr33.7kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr34. ± 8.4kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Bromine anion • 2Methyl Alcohol) + Methyl Alcohol = (Bromine anion • 3Methyl Alcohol)

By formula: (Br- • 2CH4O) + CH4O = (Br- • 3CH4O)

Quantity Value Units Method Reference Comment
Δr39.7 ± 2.1kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr44.4 ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr90.4J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr17.8kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr18. ± 8.4kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Bromine anion • Methyl Alcohol) + Methyl Alcohol = (Bromine anion • 2Methyl Alcohol)

By formula: (Br- • CH4O) + CH4O = (Br- • 2CH4O)

Quantity Value Units Method Reference Comment
Δr50.21 ± 0.84kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr52.3 ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr86.6J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr23.5kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr26. ± 8.4kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Iodide • 2Methyl Alcohol) + Methyl Alcohol = (Iodide • 3Methyl Alcohol)

By formula: (I- • 2CH4O) + CH4O = (I- • 3CH4O)

Quantity Value Units Method Reference Comment
Δr32.2 ± 2.5kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr41. ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr93.7J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr14.3kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr13. ± 8.4kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Iodide • Methyl Alcohol) + Methyl Alcohol = (Iodide • 2Methyl Alcohol)

By formula: (I- • CH4O) + CH4O = (I- • 2CH4O)

Quantity Value Units Method Reference Comment
Δr39.7 ± 0.84kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr46.4 ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr94.6J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr17.8kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr18. ± 8.4kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Chlorine anion • 10Methyl Alcohol) + Methyl Alcohol = (Chlorine anion • 11Methyl Alcohol)

By formula: (Cl- • 10CH4O) + CH4O = (Cl- • 11CH4O)

Quantity Value Units Method Reference Comment
Δr31. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; Estimated entropy; single temperature measurement; B,M
Quantity Value Units Method Reference Comment
Δr84.J/mol*KN/AHiraoka and Mizuse, 1987gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr5.4 ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; Estimated entropy; single temperature measurement; B

(Sodium ion (1+) • Methyl Alcohol) + Methyl Alcohol = (Sodium ion (1+) • 2Methyl Alcohol)

By formula: (Na+ • CH4O) + CH4O = (Na+ • 2CH4O)

Quantity Value Units Method Reference Comment
Δr85.8 ± 5.9kJ/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Δr89.5 ± 6.7kJ/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Δr85.8 ± 6.7kJ/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Δr84.5 ± 0.8kJ/molHPMSGuo, Conklin, et al., 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr90.8J/mol*KHPMSGuo, Conklin, et al., 1989gas phase; M

H4ClO2- + Methyl Alcohol + 2Water = CH8ClO3-

By formula: H4ClO2- + CH4O + 2H2O = CH8ClO3-

Quantity Value Units Method Reference Comment
Δr43.51 ± 0.84kJ/molTDAsEvans and Keesee, 1991gas phase; B
Δr47.7 ± 1.3kJ/molTDAsEvans and Keesee, 1991gas phase; For solvation by MeOH of core ion; B
Quantity Value Units Method Reference Comment
Δr24.3kJ/molTDAsEvans and Keesee, 1991gas phase; B
Δr25.1kJ/molTDAsEvans and Keesee, 1991gas phase; For solvation by MeOH of core ion; B

(CH5O+ • 2Methyl Alcohol) + Dimethyl ether = (CH5O+ • Dimethyl ether • 2Methyl Alcohol)

By formula: (CH5O+ • 2CH4O) + C2H6O = (CH5O+ • C2H6O • 2CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr72.0kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Δr120.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

(CH5O+ • 3Methyl Alcohol) + Dimethyl ether = (CH5O+ • Dimethyl ether • 3Methyl Alcohol)

By formula: (CH5O+ • 3CH4O) + C2H6O = (CH5O+ • C2H6O • 3CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr57.3kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Δr129.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

(CH5O+ • 2Methyl Alcohol) + Methyl Alcohol = (CH5O+ • 3Methyl Alcohol)

By formula: (CH5O+ • 2CH4O) + CH4O = (CH5O+ • 3CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr58.6kJ/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr67.4kJ/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr121.J/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

(CH5O+ • 3Methyl Alcohol) + Methyl Alcohol = (CH5O+ • 4Methyl Alcohol)

By formula: (CH5O+ • 3CH4O) + CH4O = (CH5O+ • 4CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr47.3kJ/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr56.5kJ/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr93.3J/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr120.J/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

(CH5O+ • 4Methyl Alcohol) + Methyl Alcohol = (CH5O+ • 5Methyl Alcohol)

By formula: (CH5O+ • 4CH4O) + CH4O = (CH5O+ • 5CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr42.7kJ/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr52.3kJ/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr98.3J/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr130.J/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

(CH5O+ • Methyl Alcohol) + Dimethyl ether = (CH5O+ • Dimethyl ether • Methyl Alcohol)

By formula: (CH5O+ • CH4O) + C2H6O = (CH5O+ • C2H6O • CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr91.6kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Δr105.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

(CH5O+ • 5Methyl Alcohol) + Methyl Alcohol = (CH5O+ • 6Methyl Alcohol)

By formula: (CH5O+ • 5CH4O) + CH4O = (CH5O+ • 6CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr39.kJ/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr49.8kJ/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr98.3J/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr138.J/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

(CH5O+ • 6Methyl Alcohol) + Methyl Alcohol = (CH5O+ • 7Methyl Alcohol)

By formula: (CH5O+ • 6CH4O) + CH4O = (CH5O+ • 7CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr38.kJ/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr50.2kJ/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr108.J/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr149.J/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

(Fluorine anion • 11Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 12Methyl Alcohol)

By formula: (F- • 11CH4O) + CH4O = (F- • 12CH4O)

Quantity Value Units Method Reference Comment
Δr36. ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; Entropy estimated.; B,M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AHiraoka and Yamabe, 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr4.6 ± 8.4kJ/molTDAsHiraoka and Yamabe, 1991gas phase; Entropy estimated.; B

Henry's Law data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry 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 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
140. QN/A missing citation give several references for the Henry's law constants but don't assign them to specific species.
220. XN/A 
220.5200.MN/A 
220. XN/AValue given here as quoted by missing citation.
160.5600.XN/A 
230. MN/A 
210. M,XTimmermans, 1960Value given here as quoted by missing citation.
230. MButler, Ramchandani, et al., 1935This paper supersedes earlier work with more concentrated solutions Butler, Thomson, et al., 1933.

References

Go To: Top, Gas 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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Notes

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