Methyl Alcohol

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry 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 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-49. ± 3.kcal/molAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Δcgas-182.52 ± 0.048kcal/molCmRossini, 1932Flame Calorimetry; Corresponding Δfgas = -48.157 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
8.12650.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
8.831100.
9.235150.
9.491200.
10.18273.15
10.53 ± 0.007298.15
10.56300.
12.34400.
14.27500.
16.06600.
17.65700.
19.06800.
20.30900.
21.401000.
22.361100.
23.211200.
23.9581300.
24.6131400.
25.1911500.
26.341750.
27.202000.
27.842250.
28.352500.
28.72750.
28.93000.

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
10.13 ± 0.30279.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
11.46 ± 0.30345.6
11.19 ± 0.28347.35
11.01 ± 0.30349.65
11.37 ± 0.28356.55
11.17 ± 0.30358.15
11.52 ± 0.30358.85
11.67 ± 0.30359.85
12.02 ± 0.30368.15
11.71 ± 0.28373.35
12.26 ± 0.30382.15
12.22 ± 0.28398.95
12.51 ± 0.30401.15
12.27 ± 0.28401.35
12.43 ± 0.10403.2
12.72 ± 0.30420.15
12.88 ± 0.28431.45
13.09 ± 0.28442.15
13.36 ± 0.30442.65
13.39 ± 0.28457.35
13.67 ± 0.10464.0
13.80 ± 0.28477.75
13.95 ± 0.28485.05
14.23 ± 0.28498.95
14.44 ± 0.30521.2
14.68 ± 0.28521.35
15.37 ± 0.28555.95
15.88 ± 0.28581.35
15.96 ± 0.28585.35

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-56.97kcal/molCcrBaroody and Carpenter, 1972ALS
Δfliquid-57.24 ± 0.04kcal/molCcbChao and Rossini, 1965see Rossini, 1934; ALS
Δfliquid-57.10 ± 0.86kcal/molCcbGreen, 1960Reanalyzed by Cox and Pilcher, 1970, Original value = -57.01 ± 0.05 kcal/mol; ALS
Δfliquid-59.89kcal/molCcbParks, 1925ALS
Δfliquid-60.1 ± 1.2kcal/molCcbRichards and Davis, 1920DRB
Quantity Value Units Method Reference Comment
Δcliquid-173.45 ± 0.03kcal/molCcbChao and Rossini, 1965see Rossini, 1934; Corresponding Δfliquid = -57.23 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-173.64 ± 0.05kcal/molCcbGreen, 1960Corresponding Δfliquid = -57.04 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-173.60 ± 0.048kcal/molCcbRossini, 1931Corresponding Δfliquid = -57.082 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-170.90kcal/molCcbParks, 1925Corresponding Δfliquid = -59.78 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-170.61kcal/molCcbRichards and Davis, 1920At 291 K; Corresponding Δfliquid = -60.072 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid30.399cal/mol*KN/ACarlson and Westrum, 1971DH
liquid30.31cal/mol*KN/AKelley, 1929DH
liquid31.00cal/mol*KN/AParks, Kelley, et al., 1929Extrapolation below 90 K, 34.3 J/mol*K. Revision of previous data.; DH
liquid32.60cal/mol*KN/AParks, 1925Extrapolation below 90 K, 40.75 J/mol*K.; DH
Quantity Value Units Method Reference Comment
solid,1 bar0.2670cal/mol*KN/AAhlberg, Blanchard, et al., 1937DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
19.0298.15Filatov and Afanas'ev, 1992DH
19.39298.15Khasanshin and Zykova, 1989T = 175 to 338 K. Unsmoothed experimental datum.; DH
19.18298.15Andreoli-Ball, Patterson, et al., 1988DH
19.20298.15Okano, Ogawa, et al., 1988DH
19.4298.15Lankford and Criss, 1987DH
19.44298.Korolev, Kukharenko, et al., 1986DH
19.19298.15Ogawa and Murakami, 1986DH
19.49298.15Tanaka, Toyama, et al., 1986DH
19.17298.15Costas and Patterson, 1985T = 298.15, 313.15 K.; DH
19.47298.15Zegers and Somsen, 1984DH
18.86288.15Benson and D'Arcy, 1982DH
19.58298.15Villamanan, Casanova, et al., 1982DH
19.3293.15Atalla, El-Sharkawy, et al., 1981DH
19.39298.15Carlson and Westrum, 1971T = 5 to 332 K.; DH
20.0298.Deshpande and Bhatagadde, 1971T = 298 to 318 K.; DH
20.5313.2Paz Andrade, Paz, et al., 1970DH
20.5298.2Katayama, 1962T = 10 to 60°C.; DH
19.3311.Swietoslawski and Zielenkiewicz, 1960Mean value 21 to 56°C.; DH
20.6323.Hough, Mason, et al., 1950T = 323 to 353 K.; DH
18.11270.Staveley and Gupta, 1949T = 90 to 270 K.; DH
20.7300.8Phillip, 1939DH
19.97313.15Fiock, Ginnings, et al., 1931T = 40 to 110°C.; DH
19.1292.0Kelley, 1929T = 16 to 293 K. Value is unsmoothed experimental datum.; DH
18.7270.Mitsukuri and Hara, 1929T = 190 to 270 K.; DH
19.1290.1Parks, 1925T = 89 to 290 K. Value is unsmoothed experimental datum.; DH
19.9298.von Reis, 1881T = 288 to 335 K.; DH

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
16.35120.Sugisaki, Suga, et al., 1968glass phase; T = 20 to 120 K.; DH
1.2920.5Ahlberg, Blanchard, et al., 1937T = 5 to 28 K.; DH
25.1173.Maass and Walbauer, 1925T = 93 to 173 K.; DH

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase 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 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
Δr17. ± 3.kcal/molAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Δr22.6cal/mol*KHPMSEvans and Keesee, 1991gas phase; M
Δr24.1cal/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
Δr22.0cal/mol*KPHPMSSieck, 1985gas phase; M
Δr22.9cal/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δr14.8cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr10.1 ± 0.8kcal/molAVGN/AAverage of 10 values; Individual data points

CH3O- + Hydrogen cation = Methyl Alcohol

By formula: CH3O- + H+ = CH4O

Quantity Value Units Method Reference Comment
Δr382. ± 2.kcal/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Δr376.02 ± 0.62kcal/molH-TSNee, Osterwalder, et al., 2006gas phase; B
Δr376.04 ± 0.55kcal/molH-TSOsborn, Leahy, et al., 1998gas phase; B
Δr374.0 ± 2.0kcal/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
Δr374.6 ± 2.1kcal/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Δr375.10 ± 0.60kcal/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
Δr32.6kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr32.3kcal/molPHPMSSzulejko and McMahon, 1992gas phase; M
Δr32.1kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; M
Δr33.1kcal/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Δr33.7kcal/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
Δr29.0cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr29.2cal/mol*KPHPMSSzulejko and McMahon, 1992gas phase; M
Δr26.6cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; M
Δr30.5cal/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M
Δr28.5cal/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
Δr25.2kcal/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
Δr29.3 ± 1.0kcal/molTDAsPaul and Kebarle, 1990gas phase; B,M
Δr28.80 ± 0.30kcal/molTDAsMeot-ner and Sieck, 1986gas phase; B,M
Δr29.4 ± 2.5kcal/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
Δr19.0 ± 2.0kcal/molN/AMoylan, Dodd, et al., 1985gas phase; B
Quantity Value Units Method Reference Comment
Δr31.8cal/mol*KPHPMSPaul and Kebarle, 1990gas phase; M
Δr26.7cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Δr20.30kcal/molIMREMustanir, Matsuoka, et al., 2006gas phase; B
Δr19.8 ± 1.0kcal/molTDAsPaul and Kebarle, 1990gas phase; B
Δr20.80 ± 0.50kcal/molTDAsMeot-ner and Sieck, 1986gas phase; B
Δr20.3 ± 1.6kcal/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° (kcal/mol) T (K) Method Reference Comment
19.1296.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
Δr25.5 ± 1.0kcal/molTDEqMeot-Ner and Sieck, 1986gas phase; B,M
Δr23.4 ± 2.2kcal/molCIDTDeTuri and Ervin, 1999gas phase; B
Δr26.0 ± 2.5kcal/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
Δr27.9cal/mol*KN/AMeot-Ner and Sieck, 1986gas phase; Entropy change calculated or estimated; M
Δr29.3cal/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
Δr10.20kcal/molIMREMustanir, Matsuoka, et al., 2006gas phase; B
Δr17.1 ± 1.6kcal/molTDEqMeot-Ner and Sieck, 1986gas phase; B
Δr17.3 ± 1.6kcal/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
Δr27.3 ± 2.9kcal/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
Δr25.6 ± 1.9kcal/molCIDTDeTuri and Ervin, 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr29.3cal/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
Δr18.6 ± 2.0kcal/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° (kcal/mol) T (K) Method Reference Comment
13.4296.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
Δr14.10 ± 0.40kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr13.70 ± 0.20kcal/molTDAsEvans and Keesee, 1991gas phase; B,M
Δr14.1 ± 1.0kcal/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
Δr13.00 ± 0.70kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.2cal/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
Δr22.0cal/mol*KHPMSEvans and Keesee, 1991gas phase; M
Δr19.4cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr7.30kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr7.10kcal/molTDAsEvans and Keesee, 1991gas phase; B
Δr6.8 ± 1.0kcal/molTDAsHiraoka and Mizuse, 1987gas phase; B
Δr7.20 ± 0.40kcal/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
Δr11.50 ± 0.20kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr10.80 ± 0.30kcal/molTDAsEvans and Keesee, 1991gas phase; B,M
Δr11.8 ± 1.0kcal/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
Δr12.30 ± 0.60kcal/molN/AYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.9cal/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
Δr22.7cal/mol*KHPMSEvans and Keesee, 1991gas phase; M
Δr23.6cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr5.06kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr4.00kcal/molTDAsEvans and Keesee, 1991gas phase; B
Δr4.9 ± 1.0kcal/molTDAsHiraoka and Mizuse, 1987gas phase; B
Δr5.20 ± 0.30kcal/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
Δr21.5 ± 2.0kcal/molIMREChabinyc and Brauman, 1999gas phase; B
Δr21.4 ± 2.9kcal/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
Δr29.3cal/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
Δr11.0 ± 2.0kcal/molIMREChabinyc and Brauman, 1999gas phase; B
Δr12.7 ± 2.0kcal/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
Δr15.70 ± 0.80kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B,M
Δr16.6 ± 1.0kcal/molTDAsMeot-ner, 1988gas phase; B
Δr16.5 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr23.cal/mol*KPHPMSLarson, Szulejko, et al., 1988gas phase; M
Δr24.3cal/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
Δr8.80 ± 0.20kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B
Δr10.4 ± 1.0kcal/molTDAsMeot-ner, 1988gas phase; B
Δr9.2 ± 2.3kcal/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
Δr36.8 ± 1.9kcal/molCIDTRodgers and Armentrout, 2000RCD
Δr38.1kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H20, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
Δr38.kcal/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
Δr26.cal/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
Δr30.3kcal/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
Δr11.90 ± 0.20kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr11.3 ± 1.0kcal/molTDAsCaldwell and Kebarle, 1984gas phase; B,M
Δr11.2kcal/molPHPMSHiraoka and Yamabe, 1991gas phase; M
Δr11.kcal/molPHPMSCaldwell, Masucci, et al., 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr17.1cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Δr17.8cal/mol*KPHPMSCaldwell and Kebarle, 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr5.76kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr6.0 ± 1.0kcal/molTDAsCaldwell and Kebarle, 1984gas phase; B
Δr5.7 ± 2.0kcal/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
Δr30.3kcal/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
Δr26.9cal/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
Δr22.3kcal/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
Δr29.6kcal/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
Δr26.6cal/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
Δr21.7kcal/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
Δr26.9 ± 2.9kcal/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
Δr29.3cal/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
Δr18.2 ± 2.0kcal/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
Δr29.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr29.4 ± 2.2kcal/molCIDTDeTuri and Ervin, 1999gas phase; B
Δr23.3 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.0cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Δr22.6cal/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
Δr22.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr15.8 ± 2.0kcal/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
Δr10.5 ± 1.0kcal/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
Δr10.50kcal/molTDAsEvans and Keesee, 1991gas phase; B
Δr11.20 ± 0.60kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.9cal/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
Δr26.4cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr3.6 ± 1.0kcal/molTDAsHiraoka and Mizuse, 1987gas phase; B
Δr3.70kcal/molTDAsEvans and Keesee, 1991gas phase; B
Δr3.30 ± 0.20kcal/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
Δr14.50 ± 0.10kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr13.9 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr17.6cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr8.00 ± 0.10kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr8.7 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B
Δr8.4 ± 2.0kcal/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
Δr39.2kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr29.7cal/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° (kcal/mol) T (K) Method Reference Comment
25.3468.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
Δr23.2 ± 1.3kcal/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Δr21.9 ± 1.4kcal/molCIDTArmentrout and Rodgers, 2000RCD
Δr24.0 ± 0.2kcal/molHPMSHoyau, Norrman, et al., 1999RCD
Δr26.6 ± 0.2kcal/molHPMSGuo, Conklin, et al., 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr20500.cal/mol*KHPMSHoyau, Norrman, et al., 1999RCD
Δr24.3cal/mol*KHPMSGuo, Conklin, et al., 1989gas phase; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
17.3298.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
Δr9.2 ± 1.0kcal/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
Δr10.50 ± 0.50kcal/molN/AYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr21.7cal/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
Δr25.5cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr2.7 ± 1.0kcal/molTDAsHiraoka and Mizuse, 1987gas phase; B
Δr2.90 ± 0.10kcal/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
Δr4.86 ± 0.01kcal/molCmWiberg, Morgan, et al., 1994liquid phase; ALS
Δr4.88 ± 0.01kcal/molCmWiberg and Squires, 1979liquid phase; Heat of hydrolysis; ALS
Δr4.8836 ± 0.0067kcal/molCmWiberg and Squires, 1979, 2liquid phase; solvent: Water; Hydrolysis; ALS
Δr-3.95 ± 0.05kcal/molCmStern and Dorer, 1962liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 3.69 ± 0.05 kcal/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
Δr21.2kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr21.0kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; M
Δr21.3kcal/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr27.0cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr25.8cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; M
Δr28.2cal/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
Δr25.7 ± 2.9kcal/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
Δr17.0 ± 2.0kcal/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
Δr21.9 ± 2.5kcal/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
Δr13.2 ± 1.6kcal/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
Δr13.8kcal/molHPMSEl-Shall, Schriver, et al., 1989gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M
Quantity Value Units Method Reference Comment
Δr25.cal/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
Δr6.3kcal/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
Δr9.1kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KN/AMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
3.1272.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
Δr9.3kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KN/AMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
3.2272.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
Δr9.4kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KN/AMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
3.5269.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
Δr24.5kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr29.cal/mol*KN/AMeot-Ner(Mautner), 1986gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
11.6452.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
Δr15.10 ± 0.20kcal/molTDAsSieck, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr26.1cal/mol*KPHPMSSieck, 1985gas phase; M
Quantity Value Units Method Reference Comment
Δr7.30 ± 0.40kcal/molTDAsSieck, 1985gas phase; B
Δr6.3 ± 1.6kcal/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
6.3343.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
Δr13.4kcal/molHPMSEl-Shall, Schriver, et al., 1989gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M
Quantity Value Units Method Reference Comment
Δr25.cal/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
Δr5.9kcal/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
Δr20.30 ± 0.30kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr19.3 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr23.2cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr12.97kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr12.4 ± 2.0kcal/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
Δr15.10 ± 0.60kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr14.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr21.2cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr8.06kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr8.2 ± 2.0kcal/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
Δr9.50 ± 0.50kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr10.6 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr21.6cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr4.25kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr4.2 ± 2.0kcal/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
Δr12.00 ± 0.20kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr12.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr20.7cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr5.62kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr6.3 ± 2.0kcal/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
Δr7.70 ± 0.60kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr9.8 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.4cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr3.41kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr3.1 ± 2.0kcal/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
Δr9.50 ± 0.20kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr11.1 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.6cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr4.25kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr4.4 ± 2.0kcal/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
Δr7.3 ± 1.0kcal/molTDAsHiraoka and Mizuse, 1987gas phase; Estimated entropy; single temperature measurement; B,M
Quantity Value Units Method Reference Comment
Δr20.cal/mol*KN/AHiraoka and Mizuse, 1987gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr1.3 ± 1.0kcal/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
Δr20.5 ± 1.4kcal/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Δr21.4 ± 1.6kcal/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Δr20.5 ± 1.6kcal/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Δr20.2 ± 0.2kcal/molHPMSGuo, Conklin, et al., 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr21.7cal/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
Δr10.40 ± 0.20kcal/molTDAsEvans and Keesee, 1991gas phase; B
Δr11.40 ± 0.30kcal/molTDAsEvans and Keesee, 1991gas phase; For solvation by MeOH of core ion; B
Quantity Value Units Method Reference Comment
Δr5.80kcal/molTDAsEvans and Keesee, 1991gas phase; B
Δr6.00kcal/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
Δr17.2kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Δr28.6cal/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
Δr13.7kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Δr30.8cal/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
Δr14.0kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr16.1kcal/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr24.0cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr28.9cal/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
Δr11.3kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr13.5kcal/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr22.3cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr28.7cal/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
Δr10.2kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr12.5kcal/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr23.5cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr31.1cal/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
Δr21.9kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Δr25.2cal/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
Δr9.3kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr11.9kcal/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr23.5cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr32.9cal/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
Δr9.0kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr12.0kcal/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr25.7cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr35.7cal/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
Δr8.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; Entropy estimated.; B,M
Quantity Value Units Method Reference Comment
Δr25.cal/mol*KN/AHiraoka and Yamabe, 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr1.1 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; Entropy estimated.; B

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry 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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