Methyl Alcohol
- Formula: CH4O
- Molecular weight: 32.0419
- IUPAC Standard InChIKey: OKKJLVBELUTLKV-UHFFFAOYSA-N
- CAS Registry Number: 67-56-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Isotopologues:
- Other names: Methanol; Carbinol; Methyl hydroxide; Methylol; Monohydroxymethane; Wood alcohol; CH3OH; Colonial spirit; Columbian spirit; Hydroxymethane; Wood naphtha; Alcool methylique; Alcool metilico; Columbian spirits; Metanolo; Methylalkohol; Metylowy alkohol; Pyroxylic spirit; Wood spirit; Rcra waste number U154; UN 1230; Pyro alcohol; Spirit of wood; Bieleski's solution; NSC 85232
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- Information on this page:
- Other data available:
- Condensed phase thermochemistry data
- Phase change data
- Reaction thermochemistry data: reactions 51 to 100, reactions 101 to 150, reactions 151 to 200, reactions 201 to 250, reactions 251 to 300
- Henry's Law data
- Gas phase ion energetics data
- Ion clustering data
- Mass spectrum (electron ionization)
- Vibrational and/or electronic energy levels
- Fluid Properties
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Gas phase thermochemistry data
Go To: Top, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, 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 |
---|---|---|---|---|---|
ΔfH°gas | -49. ± 3. | kcal/mol | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°gas | -182.52 ± 0.048 | kcal/mol | Cm | Rossini, 1932 | Flame Calorimetry; Corresponding ΔfHºgas = -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 |
---|---|---|---|
8.126 | 50. | Thermodynamics Research Center, 1997 | p=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 |
8.831 | 100. | ||
9.235 | 150. | ||
9.491 | 200. | ||
10.18 | 273.15 | ||
10.53 ± 0.007 | 298.15 | ||
10.56 | 300. | ||
12.34 | 400. | ||
14.27 | 500. | ||
16.06 | 600. | ||
17.65 | 700. | ||
19.06 | 800. | ||
20.30 | 900. | ||
21.40 | 1000. | ||
22.36 | 1100. | ||
23.21 | 1200. | ||
23.958 | 1300. | ||
24.613 | 1400. | ||
25.191 | 1500. | ||
26.34 | 1750. | ||
27.20 | 2000. | ||
27.84 | 2250. | ||
28.35 | 2500. | ||
28.7 | 2750. | ||
28.9 | 3000. |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.13 ± 0.30 | 279. | Stromsoe E., 1970 | Heat 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 ± 0.30 | 345.6 | ||
11.19 ± 0.28 | 347.35 | ||
11.01 ± 0.30 | 349.65 | ||
11.37 ± 0.28 | 356.55 | ||
11.17 ± 0.30 | 358.15 | ||
11.52 ± 0.30 | 358.85 | ||
11.67 ± 0.30 | 359.85 | ||
12.02 ± 0.30 | 368.15 | ||
11.71 ± 0.28 | 373.35 | ||
12.26 ± 0.30 | 382.15 | ||
12.22 ± 0.28 | 398.95 | ||
12.51 ± 0.30 | 401.15 | ||
12.27 ± 0.28 | 401.35 | ||
12.43 ± 0.10 | 403.2 | ||
12.72 ± 0.30 | 420.15 | ||
12.88 ± 0.28 | 431.45 | ||
13.09 ± 0.28 | 442.15 | ||
13.36 ± 0.30 | 442.65 | ||
13.39 ± 0.28 | 457.35 | ||
13.67 ± 0.10 | 464.0 | ||
13.80 ± 0.28 | 477.75 | ||
13.95 ± 0.28 | 485.05 | ||
14.23 ± 0.28 | 498.95 | ||
14.44 ± 0.30 | 521.2 | ||
14.68 ± 0.28 | 521.35 | ||
15.37 ± 0.28 | 555.95 | ||
15.88 ± 0.28 | 581.35 | ||
15.96 ± 0.28 | 585.35 |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, 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
By formula: Cl- + CH4O = (Cl- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17. ± 3. | kcal/mol | AVG | N/A | Average of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.6 | cal/mol*K | HPMS | Evans and Keesee, 1991 | gas phase; M |
ΔrS° | 24.1 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
ΔrS° | 22.0 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
ΔrS° | 22.9 | cal/mol*K | N/A | Larson and McMahon, 1984 | gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M |
ΔrS° | 14.8 | cal/mol*K | PHPMS | Yamdagni, Payzant, et al., 1973 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.1 ± 0.8 | kcal/mol | AVG | N/A | Average of 10 values; Individual data points |
CH3O- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 382. ± 2. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 376.02 ± 0.62 | kcal/mol | H-TS | Nee, Osterwalder, et al., 2006 | gas phase; B |
ΔrG° | 376.04 ± 0.55 | kcal/mol | H-TS | Osborn, Leahy, et al., 1998 | gas phase; B |
ΔrG° | 374.0 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas 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 |
ΔrG° | 374.6 ± 2.1 | kcal/mol | H-TS | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy.; B |
ΔrG° | 375.10 ± 0.60 | kcal/mol | TDEq | Meot-ner and Sieck, 1986 | gas phase; Experimental entropy: 21.5 eu, 0.6 less than H2O; B |
By formula: CH5O+ + CH4O = (CH5O+ • CH4O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.6 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrH° | 32.3 | kcal/mol | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
ΔrH° | 32.1 | kcal/mol | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; M |
ΔrH° | 33.1 | kcal/mol | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
ΔrH° | 33.7 | kcal/mol | ICR | Larson and McMahon, 1982 | gas 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 |
ΔrS° | 29.0 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrS° | 29.2 | cal/mol*K | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
ΔrS° | 26.6 | cal/mol*K | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; M |
ΔrS° | 30.5 | cal/mol*K | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
ΔrS° | 28.5 | cal/mol*K | N/A | Larson and McMahon, 1982 | gas 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 |
ΔrG° | 25.2 | kcal/mol | ICR | Larson and McMahon, 1982 | gas 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 |
By formula: CH3O- + CH4O = (CH3O- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.3 ± 1.0 | kcal/mol | TDAs | Paul and Kebarle, 1990 | gas phase; B,M |
ΔrH° | 28.80 ± 0.30 | kcal/mol | TDAs | Meot-ner and Sieck, 1986 | gas phase; B,M |
ΔrH° | 29.4 ± 2.5 | kcal/mol | TDAs | Caldwell, Rozeboom, et al., 1984 | gas 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 |
ΔrH° | 19.0 ± 2.0 | kcal/mol | N/A | Moylan, Dodd, et al., 1985 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 31.8 | cal/mol*K | PHPMS | Paul and Kebarle, 1990 | gas phase; M |
ΔrS° | 26.7 | cal/mol*K | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; n; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 20.30 | kcal/mol | IMRE | Mustanir, Matsuoka, et al., 2006 | gas phase; B |
ΔrG° | 19.8 ± 1.0 | kcal/mol | TDAs | Paul and Kebarle, 1990 | gas phase; B |
ΔrG° | 20.80 ± 0.50 | kcal/mol | TDAs | Meot-ner and Sieck, 1986 | gas phase; B |
ΔrG° | 20.3 ± 1.6 | kcal/mol | TDAs | Caldwell, Rozeboom, et al., 1984 | gas 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 |
---|---|---|---|---|
19.1 | 296. | FA | MacKay and Bohme, 1978 | gas phase; From thermochemical cycle,switching reaction(CH3O-)H2O; Meot-Ner(Mautner), 1986; M |
By formula: C4H9O- + CH4O = (C4H9O- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.5 ± 1.0 | kcal/mol | TDEq | Meot-Ner and Sieck, 1986 | gas phase; B,M |
ΔrH° | 23.4 ± 2.2 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |
ΔrH° | 26.0 ± 2.5 | kcal/mol | N/A | Caldwell, Rozeboom, et al., 1984 | gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.9 | cal/mol*K | N/A | Meot-Ner and Sieck, 1986 | gas phase; Entropy change calculated or estimated; M |
ΔrS° | 29.3 | cal/mol*K | N/A | Caldwell, Rozeboom, et al., 1984 | gas 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 |
ΔrG° | 10.20 | kcal/mol | IMRE | Mustanir, Matsuoka, et al., 2006 | gas phase; B |
ΔrG° | 17.1 ± 1.6 | kcal/mol | TDEq | Meot-Ner and Sieck, 1986 | gas phase; B |
ΔrG° | 17.3 ± 1.6 | kcal/mol | IMRE | Caldwell, Rozeboom, et al., 1984 | gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; B,M |
By formula: C2H5O- + CH4O = (C2H5O- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.3 ± 2.9 | kcal/mol | IMRE | Caldwell, Rozeboom, et al., 1984 | gas 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 |
ΔrH° | 25.6 ± 1.9 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.3 | cal/mol*K | N/A | Caldwell, Rozeboom, et al., 1984 | gas 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 |
ΔrG° | 18.6 ± 2.0 | kcal/mol | IMRE | Caldwell, Rozeboom, et al., 1984 | gas 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 |
---|---|---|---|---|
13.4 | 296. | FA | Mackay, Rakshit, et al., 1982 | gas phase; From thermochemical cycle,switching reaction(CH3O-)CH3OH; Caldwell and Kebarle, 1986, Taft, 1983; M |
By formula: (Cl- • CH4O) + CH4O = (Cl- • 2CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.10 ± 0.40 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 13.70 ± 0.20 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; B,M |
ΔrH° | 14.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
ΔrH° | 13.00 ± 0.70 | kcal/mol | TDAs | Yamdagni, Payzant, et al., 1973 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.2 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
ΔrS° | 22.0 | cal/mol*K | HPMS | Evans and Keesee, 1991 | gas phase; M |
ΔrS° | 19.4 | cal/mol*K | PHPMS | Yamdagni, Payzant, et al., 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 7.30 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 7.10 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; B |
ΔrG° | 6.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
ΔrG° | 7.20 ± 0.40 | kcal/mol | TDAs | Yamdagni, Payzant, et al., 1973 | gas phase; B |
By formula: (Cl- • 2CH4O) + CH4O = (Cl- • 3CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.50 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 10.80 ± 0.30 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; B,M |
ΔrH° | 11.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
ΔrH° | 12.30 ± 0.60 | kcal/mol | N/A | Yamdagni, Payzant, et al., 1973 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.9 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
ΔrS° | 22.7 | cal/mol*K | HPMS | Evans and Keesee, 1991 | gas phase; M |
ΔrS° | 23.6 | cal/mol*K | PHPMS | Yamdagni, Payzant, et al., 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.06 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 4.00 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; B |
ΔrG° | 4.9 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
ΔrG° | 5.20 ± 0.30 | kcal/mol | TDAs | Yamdagni, Payzant, et al., 1973 | gas phase; B |
By formula: C8H5- + CH4O = (C8H5- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.5 ± 2.0 | kcal/mol | IMRE | Chabinyc and Brauman, 1999 | gas phase; B |
ΔrH° | 21.4 ± 2.9 | kcal/mol | N/A | Caldwell, Rozeboom, et al., 1984 | gas 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 |
ΔrS° | 29.3 | cal/mol*K | N/A | Caldwell, Rozeboom, et al., 1984 | gas 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 |
ΔrG° | 11.0 ± 2.0 | kcal/mol | IMRE | Chabinyc and Brauman, 1999 | gas phase; B |
ΔrG° | 12.7 ± 2.0 | kcal/mol | IMRE | Caldwell, Rozeboom, et al., 1984 | gas 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 |
By formula: CN- + CH4O = (CN- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.70 ± 0.80 | kcal/mol | TDAs | Larson, Szulejko, et al., 1988 | gas phase; B,M |
ΔrH° | 16.6 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B |
ΔrH° | 16.5 ± 3.5 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23. | cal/mol*K | PHPMS | Larson, Szulejko, et al., 1988 | gas phase; M |
ΔrS° | 24.3 | cal/mol*K | N/A | Larson and McMahon, 1987 | gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.80 ± 0.20 | kcal/mol | TDAs | Larson, Szulejko, et al., 1988 | gas phase; B |
ΔrG° | 10.4 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B |
ΔrG° | 9.2 ± 2.3 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
By formula: Li+ + CH4O = (Li+ • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 36.8 ± 1.9 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
ΔrH° | 38.1 | kcal/mol | ICR | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H20, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M |
ΔrH° | 38. | kcal/mol | ICR | Staley and Beauchamp, 1975 | gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26. | cal/mol*K | N/A | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H20, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 30.3 | kcal/mol | ICR | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H20, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M |
By formula: I- + CH4O = (I- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.90 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 11.3 ± 1.0 | kcal/mol | TDAs | Caldwell and Kebarle, 1984 | gas phase; B,M |
ΔrH° | 11.2 | kcal/mol | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
ΔrH° | 11. | kcal/mol | PHPMS | Caldwell, Masucci, et al., 1989 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.1 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
ΔrS° | 17.8 | cal/mol*K | PHPMS | Caldwell and Kebarle, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.76 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 6.0 ± 1.0 | kcal/mol | TDAs | Caldwell and Kebarle, 1984 | gas phase; B |
ΔrG° | 5.7 ± 2.0 | kcal/mol | IMRE | Tanabe, Morgon, et al., 1996 | gas phase; Anchored to H2O..I- of Caldwell and Kebarle, 1984; B |
By formula: C2H5O+ + CH4O = (C2H5O+ • CH4O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.3 | kcal/mol | ICR | Larson and McMahon, 1982 | gas 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 |
ΔrS° | 26.9 | cal/mol*K | N/A | Larson and McMahon, 1982 | gas 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 |
ΔrG° | 22.3 | kcal/mol | ICR | Larson and McMahon, 1982 | gas 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 |
By formula: C2H7O+ + CH4O = (C2H7O+ • CH4O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.6 | kcal/mol | ICR | Larson and McMahon, 1982 | gas 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 |
ΔrS° | 26.6 | cal/mol*K | N/A | Larson and McMahon, 1982 | gas 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 |
ΔrG° | 21.7 | kcal/mol | ICR | Larson and McMahon, 1982 | gas 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 |
By formula: C3H7O- + CH4O = (C3H7O- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.9 ± 2.9 | kcal/mol | N/A | Caldwell, Rozeboom, et al., 1984 | gas 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 |
ΔrS° | 29.3 | cal/mol*K | N/A | Caldwell, Rozeboom, et al., 1984 | gas 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 |
ΔrG° | 18.2 ± 2.0 | kcal/mol | IMRE | Caldwell, Rozeboom, et al., 1984 | gas 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 |
By formula: F- + CH4O = (F- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |
ΔrH° | 29.4 ± 2.2 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |
ΔrH° | 23.3 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.0 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
ΔrS° | 22.6 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 22.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |
ΔrG° | 15.8 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |
By formula: (Cl- • 3CH4O) + CH4O = (Cl- • 4CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
ΔrH° | 10.50 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; B |
ΔrH° | 11.20 ± 0.60 | kcal/mol | TDAs | Yamdagni, Payzant, et al., 1973 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.9 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
ΔrS° | 26.4 | cal/mol*K | PHPMS | Yamdagni, Payzant, et al., 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.6 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
ΔrG° | 3.70 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; B |
ΔrG° | 3.30 ± 0.20 | kcal/mol | TDAs | Yamdagni, Payzant, et al., 1973 | gas phase; B |
By formula: Br- + CH4O = (Br- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.50 ± 0.10 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 13.9 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.6 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.00 ± 0.10 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 8.7 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |
ΔrG° | 8.4 ± 2.0 | kcal/mol | IMRE | Tanabe, Morgon, et al., 1996 | gas phase; Anchored to H2O..Br- of Hiraoka, Mizure, et al., 19882; B |
By formula: C3H9Si+ + CH4O = (C3H9Si+ • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 39.2 | kcal/mol | PHPMS | Wojtyniak and Stone, 1986 | gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.7 | cal/mol*K | N/A | Wojtyniak and Stone, 1986 | gas 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 |
---|---|---|---|---|
25.3 | 468. | PHPMS | Wojtyniak and Stone, 1986 | gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M |
By formula: Na+ + CH4O = (Na+ • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.2 ± 1.3 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 21.9 ± 1.4 | kcal/mol | CIDT | Armentrout and Rodgers, 2000 | RCD |
ΔrH° | 24.0 ± 0.2 | kcal/mol | HPMS | Hoyau, Norrman, et al., 1999 | RCD |
ΔrH° | 26.6 ± 0.2 | kcal/mol | HPMS | Guo, Conklin, et al., 1989 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20500. | cal/mol*K | HPMS | Hoyau, Norrman, et al., 1999 | RCD |
ΔrS° | 24.3 | cal/mol*K | HPMS | Guo, Conklin, et al., 1989 | gas phase; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
17.3 | 298. | IMRE | McMahon and Ohanessian, 2000 | Anchor alanine=39.89; RCD |
By formula: (Cl- • 4CH4O) + CH4O = (Cl- • 5CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
ΔrH° | 10.50 ± 0.50 | kcal/mol | N/A | Yamdagni, Payzant, et al., 1973 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.7 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
ΔrS° | 25.5 | cal/mol*K | PHPMS | Yamdagni, Payzant, et al., 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
ΔrG° | 2.90 ± 0.10 | kcal/mol | TDAs | Yamdagni, Payzant, et al., 1973 | gas phase; B |
By formula: H2O + C5H12O2 = 2CH4O + C3H6O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.86 ± 0.01 | kcal/mol | Cm | Wiberg, Morgan, et al., 1994 | liquid phase; ALS |
ΔrH° | 4.88 ± 0.01 | kcal/mol | Cm | Wiberg and Squires, 1979 | liquid phase; Heat of hydrolysis; ALS |
ΔrH° | 4.8836 ± 0.0067 | kcal/mol | Cm | Wiberg and Squires, 1979, 2 | liquid phase; solvent: Water; Hydrolysis; ALS |
ΔrH° | -3.95 ± 0.05 | kcal/mol | Cm | Stern and Dorer, 1962 | liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 3.69 ± 0.05 kcal/mol; Heat of hydrolysis; ALS |
By formula: (CH5O+ • CH4O) + CH4O = (CH5O+ • 2CH4O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.2 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrH° | 21.0 | kcal/mol | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; M |
ΔrH° | 21.3 | kcal/mol | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.0 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrS° | 25.8 | cal/mol*K | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; M |
ΔrS° | 28.2 | cal/mol*K | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
By formula: C5H11O- + CH4O = (C5H11O- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.7 ± 2.9 | kcal/mol | N/A | Caldwell, Rozeboom, et al., 1984 | gas 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 |
ΔrG° | 17.0 ± 2.0 | kcal/mol | IMRE | Caldwell, Rozeboom, et al., 1984 | gas 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 |
By formula: C6H11S2- + CH4O = (C6H11S2- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.9 ± 2.5 | kcal/mol | N/A | Caldwell, Rozeboom, et al., 1984 | gas 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 |
ΔrG° | 13.2 ± 1.6 | kcal/mol | IMRE | Caldwell, Rozeboom, et al., 1984 | gas 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 |
By formula: (Cu+ • CH4O) + CH4O = (Cu+ • 2CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.8 | kcal/mol | HPMS | El-Shall, Schriver, et al., 1989 | gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | N/A | El-Shall, Schriver, et al., 1989 | gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 6.3 | kcal/mol | HPMS | El-Shall, Schriver, et al., 1989 | gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M |
(CH5O+ • 2 • 3) + = (CH5O+ • 3 • 3)
By formula: (CH5O+ • 2H2O • 3CH4O) + H2O = (CH5O+ • 3H2O • 3CH4O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.1 | kcal/mol | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | N/A | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
3.1 | 272. | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
(CH5O+ • 3 • 2) + = (CH5O+ • 4 • 2)
By formula: (CH5O+ • 3H2O • 2CH4O) + H2O = (CH5O+ • 4H2O • 2CH4O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.3 | kcal/mol | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | N/A | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
3.2 | 272. | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
(CH5O+ • 4 • ) + = (CH5O+ • 5 • )
By formula: (CH5O+ • 4H2O • CH4O) + H2O = (CH5O+ • 5H2O • CH4O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.4 | kcal/mol | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | N/A | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
3.5 | 269. | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
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 |
---|---|---|---|---|---|
ΔrH° | 24.5 | kcal/mol | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29. | cal/mol*K | N/A | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
11.6 | 452. | PHPMS | Meot-Ner(Mautner), 1986 | gas phase; n, Entropy change calculated or estimated; M |
By formula: C6H5NO2- + CH4O = (C6H5NO2- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.10 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.1 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 7.30 ± 0.40 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
ΔrG° | 6.3 ± 1.6 | kcal/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
6.3 | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: Cu+ + CH4O = (Cu+ • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.4 | kcal/mol | HPMS | El-Shall, Schriver, et al., 1989 | gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | N/A | El-Shall, Schriver, et al., 1989 | gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.9 | kcal/mol | HPMS | El-Shall, Schriver, et al., 1989 | gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M |
By formula: (F- • CH4O) + CH4O = (F- • 2CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.30 ± 0.30 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 19.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 12.97 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 12.4 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |
By formula: (F- • 2CH4O) + CH4O = (F- • 3CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.10 ± 0.60 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 14.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.06 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 8.2 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |
By formula: (Br- • 2CH4O) + CH4O = (Br- • 3CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.50 ± 0.50 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 10.6 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.6 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.25 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 4.2 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |
By formula: (Br- • CH4O) + CH4O = (Br- • 2CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.00 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 12.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.7 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.62 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 6.3 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |
By formula: (I- • 2CH4O) + CH4O = (I- • 3CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.70 ± 0.60 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 9.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.4 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.41 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 3.1 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |
By formula: (I- • CH4O) + CH4O = (I- • 2CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.50 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 11.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.6 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.25 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 4.4 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |
By formula: (Cl- • 10CH4O) + CH4O = (Cl- • 11CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; Estimated entropy; single temperature measurement; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | N/A | Hiraoka and Mizuse, 1987 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; Estimated entropy; single temperature measurement; B |
By formula: (Na+ • CH4O) + CH4O = (Na+ • 2CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.5 ± 1.4 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 21.4 ± 1.6 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 20.5 ± 1.6 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 20.2 ± 0.2 | kcal/mol | HPMS | Guo, Conklin, et al., 1989 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.7 | cal/mol*K | HPMS | Guo, Conklin, et al., 1989 | gas phase; M |
By formula: H4ClO2- + CH4O + 2H2O = CH8ClO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.40 ± 0.20 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; B |
ΔrH° | 11.40 ± 0.30 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; For solvation by MeOH of core ion; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.80 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; B |
ΔrG° | 6.00 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; For solvation by MeOH of core ion; B |
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 |
---|---|---|---|---|---|
ΔrH° | 17.2 | kcal/mol | PHPMS | Hiraoka, Grimsrud, et al., 1974 | gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 28.6 | cal/mol*K | PHPMS | Hiraoka, Grimsrud, et al., 1974 | gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M |
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 |
---|---|---|---|---|---|
ΔrH° | 13.7 | kcal/mol | PHPMS | Hiraoka, Grimsrud, et al., 1974 | gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 30.8 | cal/mol*K | PHPMS | Hiraoka, Grimsrud, et al., 1974 | gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M |
By formula: (CH5O+ • 2CH4O) + CH4O = (CH5O+ • 3CH4O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.0 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrH° | 16.1 | kcal/mol | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.0 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrS° | 28.9 | cal/mol*K | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
By formula: (CH5O+ • 3CH4O) + CH4O = (CH5O+ • 4CH4O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.3 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrH° | 13.5 | kcal/mol | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.3 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrS° | 28.7 | cal/mol*K | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
By formula: (CH5O+ • 4CH4O) + CH4O = (CH5O+ • 5CH4O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.2 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrH° | 12.5 | kcal/mol | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.5 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrS° | 31.1 | cal/mol*K | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
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 |
---|---|---|---|---|---|
ΔrH° | 21.9 | kcal/mol | PHPMS | Hiraoka, Grimsrud, et al., 1974 | gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.2 | cal/mol*K | PHPMS | Hiraoka, Grimsrud, et al., 1974 | gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M |
By formula: (CH5O+ • 5CH4O) + CH4O = (CH5O+ • 6CH4O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.3 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrH° | 11.9 | kcal/mol | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.5 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrS° | 32.9 | cal/mol*K | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
By formula: (CH5O+ • 6CH4O) + CH4O = (CH5O+ • 7CH4O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.0 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrH° | 12.0 | kcal/mol | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.7 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrS° | 35.7 | cal/mol*K | PHPMS | Grimsrud and Kebarle, 1973 | gas phase; M |
By formula: (F- • 11CH4O) + CH4O = (F- • 12CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; Entropy estimated.; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | N/A | Hiraoka and Yamabe, 1991 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.1 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; Entropy estimated.; B |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
- GAS (70 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm-1 resolution
- GAS (VAPOR); PERKIN-ELMER 21 (GRATING); DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- SOLUTION (2% IN CCl4 FOR 3800-1330, 2% IN CS2 FOR 1330-400 CM-1) VS SOLVENT; DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: Pamela M. Chu, Franklin R. Guenther, George C. Rhoderick, and Walter J. Lafferty
- gas; IFS66V (Bruker); 3-Term B-H Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm-1 resolution - gas; IFS66V (Bruker); Boxcar Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm-1 resolution - gas; IFS66V (Bruker); Happ Genzel Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm-1 resolution - gas; IFS66V (Bruker); NB Strong Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm-1 resolution - gas; IFS66V (Bruker); Triangular Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm-1 resolution
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | SE-30 | 140. | 340. | Haken and Korhonen, 1985 | Column length: 25. m; Column diameter: 0.33 mm |
Packed | SE-30 | 100. | 384. | Winskowski, 1983 | Gaschrom Q; Column length: 2. m |
Packed | SE-30 | 150. | 356. | Haken, Nguyen, et al., 1979 | Celatom AW silanized; Column length: 3.7 m |
Packed | Apiezon L | 120. | 336. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | SE-30 | 100. | 373. | Pías and Gascó, 1975 | Ar, Chromosorb W AW DMCS HP (80-100 mesh); Column length: 1. m |
Packed | Apiezon L | 100. | 355. | Brown, Chapman, et al., 1968 | N2, DCMS-treated Chromosorb W; Column length: 2.3 m |
Packed | SE-30 | 80. | 330. | Viani, Müggler-Chavan, et al., 1965 | He, Chromosorb P; Column length: 6. m |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH-100 | 380. | Haagen-Smit Laboratory, 1997 | He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min) |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-351 | 100. | 917. | Haken and Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Capillary | OV-351 | 80. | 891. | Haken and Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Packed | PEG-2000 | 152. | 860. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 179. | 881. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | Carbowax 20M | 100. | 892. | Zarazir, Chovin, et al., 1970 | Chromosorb W; Column length: 2. m |
Packed | Polyethylene Glycol 4000 | 100. | 904. | Bonastre and Grenier, 1968 | Chromosorb P; Column length: 6. m |
Packed | Polyethylene Glycol 4000 | 120. | 897. | Bonastre and Grenier, 1968 | Chromosorb P; Column length: 6. m |
Packed | Polyethylene Glycol 4000 | 140. | 886. | Bonastre and Grenier, 1968 | Chromosorb P; Column length: 6. m |
Packed | Polyethylene Glycol 4000 | 80. | 914. | Bonastre and Grenier, 1968 | Chromosorb P; Column length: 6. m |
Kovats' RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CBP-20 | 899. | Shimadzu, 2003 | 25. m/0.2 mm/0.25 μm, He, 50. C @ 5. min, 4. K/min; Tend: 200. C |
Capillary | DB-Wax | 888. | Shimoda and Shibamoto, 1990 | He, 40. C @ 6. min, 3. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 190. C |
Kovats' RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | Carbowax 20M | 869. | Kevei and Kozma, 1976 | Chromosorb; Program: not specified |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH | 372.7 | Censullo, Jones, et al., 2003 | 50. m/0.25 mm/0.5 μm, He, 35. C @ 10. min, 3. K/min, 200. C @ 10. min |
Capillary | Petrocol DH | 378.2 | Censullo, Jones, et al., 2003 | 50. m/0.25 mm/0.5 μm, He, 35. C @ 10. min, 3. K/min, 200. C @ 10. min |
Capillary | SE-30 | 400.0 | Golovnya, Kuz'menko, et al., 2000 | 25. m/0.32 mm/1. μm, He, 4. K/min; Tstart: 60. C |
Capillary | SE-30 | 400.0 | Golovnya, Kuz'menko, et al., 2000, 2 | 25. m/0.32 mm/1. μm, He, 4. K/min; Tstart: 60. C |
Capillary | DB-1 | 361. | Bartelt, 1997 | 30. m/0.32 mm/5. μm, He, 35. C @ 1. min, 10. K/min; Tend: 270. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 368. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax | 910.4 | Censullo, Jones, et al., 2003 | 60. m/0.25 mm/0.5 μm, He, 50. C @ 10. min, 5. K/min, 250. C @ 10. min |
Capillary | FFAP | 916. | Ott, Fay, et al., 1997 | 30. m/0.25 mm/0.25 μm, He, 20. C @ 1. min, 4. K/min, 200. C @ 1. min |
Packed | Carbowax 20M | 866. | van den Dool and Kratz, 1963 | Celite 545, 4.6 K/min; Tstart: 75. C; Tend: 228. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | DB-1 | 60. | 382. | Shimadzu, 2003, 2 | 60. m/0.32 mm/1. μm, He |
Packed | Squalane | 100. | 338. | Vernon, 1971 | N2 |
Packed | DC-400 | 150. | 370. | Anderson, 1968 | Helium, Gas-Pak (60-80 mesh); Column length: 3.0 m |
Packed | Squalane | 125. | 348. | Cremer and Nonn, 1964 | H2, Chromosorb W (80-100 mesh); Column length: 3. m |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane: CP-Sil 5 CB | 395. | Bramston-Cook, 2013 | 60. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min |
Capillary | Petrocol DH | 379. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Capillary | HP-5 | 367.5 | Leffingwell and Alford, 2005 | 60. m/0.32 mm/0.25 μm, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min |
Capillary | OV-101 | 381. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
Capillary | BP-1 | 370. | Health Safety Executive, 2000 | 50. m/0.22 mm/0.75 μm, He, 5. K/min; Tstart: 50. C; Tend: 200. C |
Capillary | DB-5MS | 353.5 | Shoenmakers, Oomen, et al., 2000 | 30. m/0.25 mm/0.25 μm, He, 40. C @ 1. min, 3. K/min; Tend: 250. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 MS | 381. | Kotowska, Zalikowski, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
Capillary | Methyl Silicone | 373. | Chen and Feng, 2007 | Program: not specified |
Capillary | Methyl Silicone | 373. | Kou, Zhang, et al., 2006 | Program: not specified |
Capillary | Methyl Silicone | 408. | Blunden, Aneja, et al., 2005 | 60. m/0.32 mm/1.0 μm, Helium; Program: -50 0C (2 min) 8 0C/min -> 200 0C (7.75 min) 25 0C -> 225 0C (8 min) |
Capillary | Methyl Silicone | 373. | Fu and Wang, 2004 | Program: not specified |
Capillary | Methyl Silicone | 362. | N/A | Program: not specified |
Capillary | Polydimethyl siloxanes | 381. | Zenkevich, 2001 | Program: not specified |
Capillary | Polydimethyl siloxanes | 381. | Zenkevich, 2001, 2 | Program: not specified |
Capillary | Methyl Silicone | 381. | Zenkevich, 1999 | Program: not specified |
Capillary | SPB-1 | 353. | Flanagan, Streete, et al., 1997 | 60. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C |
Capillary | Polydimethyl siloxanes | 381. | Zenkevich and Chupalov, 1996 | Program: not specified |
Capillary | Methyl Silicone | 381. | Zenkevich, Korolenko, et al., 1995 | Program: not specified |
Capillary | DB-1 | 348. | Schuberth, 1994 | 30. m/0.25 mm/1. μm, He; Program: 40C (4min) => 10C/min => 200C => 50C/min => 250C |
Capillary | SPB-1 | 353. | Strete, Ruprah, et al., 1992 | 60. m/0.53 mm/5.0 μm, Helium; Program: 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0C |
Capillary | SPB-1 | 391. | Strete, Ruprah, et al., 1992 | 60. m/0.53 mm/5.0 μm, Helium; Program: not specified |
Capillary | CP Sil 8 CB | 404. | Weller and Wolf, 1989 | 40. m/0.25 mm/0.25 μm, He; Program: 30 0C (1 min) 15 0C/min -> 45 0C 3 0C/min -> 120 0C |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 384. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Normal alkane RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 100. | 892. | Sun, Siepmann, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium |
Capillary | Carbowax 20M | 60. | 899. | Sun, Siepmann, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium |
Capillary | Carbowax 20M | 80. | 895. | Sun, Siepmann, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium |
Capillary | DB-Wax | 60. | 921. | Shimadzu, 2003, 2 | 50. m/0.32 mm/1. μm, He |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 911. | Shimadzu, 2012 | 30. m/0.32 mm/0.50 μm, Helium, 4. K/min; Tstart: 40. C; Tend: 260. C |
Capillary | DB-Wax | 907. | Chida, Sone, et al., 2004 | 60. m/0.25 mm/0.5 μm, 35. C @ 5. min, 4. K/min, 240. C @ 10. min |
Capillary | DB-Wax | 911. | Shimadzu Corporation, 2003 | 30. m/0.32 mm/0.5 μm, He, 4. K/min; Tstart: 40. C; Tend: 260. C |
Capillary | DB-Wax | 903. | Tanaka, Yamauchi, et al., 2003 | 30. m/0.25 mm/0.25 μm, 30. C @ 1. min, 4. K/min; Tend: 250. C |
Capillary | DB-Wax | 905. | Tanaka, Yamauchi, et al., 2003 | 30. m/0.25 mm/0.25 μm, 30. C @ 1. min, 4. K/min; Tend: 250. C |
Capillary | TC-Wax | 898. | Suhardi, Suzuki, et al., 2002 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 10. min, 3. K/min, 230. C @ 10. min |
Capillary | DB-Wax | 905. | Duque, Bonilla, et al., 2001 | 30. m/0.25 mm/0.25 μm, Helium, 4. K/min, 220. C @ 30. min; Tstart: 25. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 920. | Vinogradov, 2004 | Program: not specified |
Capillary | Polyethylene Glycol | 897. | Zenkevich, Korolenko, et al., 1995 | Program: not specified |
Capillary | DB-Wax | 909. | Peng, Yang, et al., 1991 | Program: not specified |
Capillary | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | 907. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | 920. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | Carbowax 20M | 883. | Ramsey and Flanagan, 1982 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, 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
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas T Temperature ΔcH°gas Enthalpy of combustion of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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