Ethanol
- Formula: C2H6O
- Molecular weight: 46.0684
- IUPAC Standard InChIKey: LFQSCWFLJHTTHZ-UHFFFAOYSA-N
- CAS Registry Number: 64-17-5
- 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: Ethyl alcohol; Alcohol; Alcohol anhydrous; Algrain; Anhydrol; Denatured ethanol; Ethyl hydrate; Ethyl hydroxide; Jaysol; Jaysol S; Methylcarbinol; SD Alchol 23-hydrogen; Tecsol; C2H5OH; Absolute ethanol; Cologne spirit; Fermentation alcohol; Grain alcohol; Molasses alcohol; Potato alcohol; Aethanol; Aethylalkohol; Alcohol, dehydrated; Alcool ethylique; Alcool etilico; Alkohol; Cologne spirits; Denatured alcohol CD-10; Denatured alcohol CD-5; Denatured alcohol CD-5a; Denatured alcohol SD-1; Denatured alcohol SD-13a; Denatured alcohol SD-17; Denatured alcohol SD-23a; Denatured alcohol SD-28; Denatured alcohol SD-3a; Denatured alcohol SD-30; Denatured alcohol SD-39b; Denatured alcohol SD-39c; Denatured alcohol SD-40m; Etanolo; Ethanol 200 proof; Ethyl alc; Etylowy alkohol; EtOH; NCI-C03134; Spirits of wine; Spirt; Alkoholu etylowego; Ethyl alcohol anhydrous; SD alcohol 23-hydrogen; UN 1170; Tecsol C; Alcare Hand Degermer; Absolute alcohol; Denatured alcohol; Ethanol, silent spirit; Ethylol; Punctilious ethyl alcohol; SD 3A
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- Information on this page:
- Other data available:
- Reaction thermochemistry data: reactions 51 to 77
- Henry's Law data
- Mass spectrum (electron ionization)
- Gas Chromatography
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -56.0 ± 0.5 | kcal/mol | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°gas | -326.56 ± 0.1 | kcal/mol | Cm | Rossini, 1932 | Flame Calorimetry; Corresponding ΔfHºgas = -66.491 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 |
---|---|---|---|
8.872 | 50. | Thermodynamics Research Center, 1997 | p=1 bar. Recommended entropies and heat capacities are in close agreement with other statistically calculated values [ Zhuravlev E.Z., 1959, Chermin H.A.G., 1961, Green J.H.S., 1961, Green J.H.S., 1961, 2, Chao J., 1986, Gurvich, Veyts, et al., 1989]. Please also see Chao J., 1986, 2.; GT |
9.967 | 100. | ||
11.22 | 150. | ||
12.43 | 200. | ||
14.69 | 273.15 | ||
15.59 ± 0.033 | 298.15 | ||
15.65 | 300. | ||
19.41 | 400. | ||
22.89 | 500. | ||
25.870 | 600. | ||
28.401 | 700. | ||
30.574 | 800. | ||
32.459 | 900. | ||
34.101 | 1000. | ||
35.535 | 1100. | ||
36.788 | 1200. | ||
37.880 | 1300. | ||
38.838 | 1400. | ||
39.677 | 1500. | ||
41.35 | 1750. | ||
42.59 | 2000. | ||
43.50 | 2250. | ||
44.19 | 2500. | ||
44.7 | 2750. | ||
45.2 | 3000. |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
12.28 ± 0.12 | 200. | Stromsoe E., 1970 | Experimental data [ Bennewitz K., 1938, Eucken A., 1948, Barrow G.M., 1952, Sinke G.C., 1953, Halford J.O., 1957] are collected in ref. [ Green J.H.S., 1961]. 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 1.09 J/mol*K. The accuracy of the experimental heat capacities [ Stromsoe E., 1970] is estimated as less than 0.3%. Please also see Green J.H.S., 1961, Counsell J.F., 1970.; GT |
14.89 ± 0.13 | 279. | ||
14.84 ± 0.10 | 280. | ||
17.48 | 350.01 | ||
18.09 ± 0.26 | 356.55 | ||
17.82 | 360.00 | ||
18.26 ± 0.26 | 361.75 | ||
18.05 | 367.9 | ||
18.16 | 370.01 | ||
18.58 ± 0.26 | 371.85 | ||
18.51 | 380.00 | ||
19.07 ± 0.26 | 387.25 | ||
19.12 ± 0.26 | 388.85 | ||
19.22 | 400.08 | ||
19.60 | 410.16 | ||
19.93 | 422. | ||
20.10 | 425.09 | ||
20.54 ± 0.26 | 433.25 | ||
21.03 | 437. | ||
20.86 ± 0.26 | 443.35 | ||
20.95 | 450.08 | ||
21.78 | 475.12 | ||
21.80 | 476. | ||
22.04 ± 0.26 | 480.45 | ||
23.76 ± 0.26 | 534.35 | ||
24.22 ± 0.26 | 548.75 | ||
24.97 ± 0.26 | 572.25 | ||
25.58 ± 0.26 | 591.25 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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 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 |
---|---|---|---|---|---|
ΔfH°liquid | -66.1 ± 0.5 | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -326.86 ± 0.06 | kcal/mol | Ccb | Chao and Rossini, 1965 | see Rossini, 1934; Corresponding ΔfHºliquid = -66.19 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -326.71 ± 0.10 | kcal/mol | Ccb | Green, 1960 | Corresponding ΔfHºliquid = -66.34 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -327.65 | kcal/mol | Ccb | Parks, 1925 | Corresponding ΔfHºliquid = -65.40 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -327.041 | kcal/mol | Ccb | Richards and Davis, 1920 | At 291 K; Corresponding ΔfHºliquid = -66.006 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -327.10 | kcal/mol | Ccb | Emery and Benedict, 1911 | Corresponding ΔfHºliquid = -65.94 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 38.207 | cal/mol*K | N/A | Haida, Suga, et al., 1977 | DH |
S°liquid | 38.530 | cal/mol*K | N/A | Green J.H.S., 1961 | DH |
S°liquid | 38.41 | cal/mol*K | N/A | Kelley, 1929 | DH |
S°liquid | 42.30 | cal/mol*K | N/A | Parks, 1925 | Extrapolation below 90 K, 55.19 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
26.86 | 298.15 | Petrov, Peshekhodov, et al., 1989 | T = 258.15, 278.15, 298.15, 318.15 K.; DH |
26.656 | 298.15 | Andreoli-Ball, Patterson, et al., 1988 | DH |
26.855 | 298.15 | Ogawa and Murakami, 1986 | DH |
26.931 | 298.15 | Tanaka, Toyama, et al., 1986 | DH |
26.413 | 298.15 | Ogawa and Murakami, 1985 | DH |
27.70 | 298.15 | Stephens and Olson, 1984 | T = 266 to 318 K. Cp given as 0.6011 cal/g*K.; DH |
26.929 | 298.15 | Zegers and Somsen, 1984 | DH |
25.829 | 288.15 | Benson and D'Arcy, 1982 | DH |
27.187 | 298.15 | Villamanan, Casanova, et al., 1982 | DH |
26.804 | 298.15 | Brown and Ziegler, 1979 | T = 159 to 306 K. Results as equation only.; DH |
26.840 | 298.15 | Vesely, Zabransky, et al., 1979 | DH |
26.89 | 298.15 | Haida, Suga, et al., 1977 | T = 14 to 300 K. Also glass, supercooled liquid, metastable crystal.; DH |
26.840 | 298.15 | Vesely, Svoboda, et al., 1977 | T = 298 to 318 K.; DH |
26.848 | 298.15 | Fortier, Benson, et al., 1976 | DH |
26.7911 | 298.15 | Fortier and Benson, 1976 | DH |
26.723 | 298.15 | Pedersen, Kay, et al., 1975 | T = 298 to 348 K. Cp(liq) = 98.39 + 0.5368(T/K-273.25) J/mol*K (298 to 348 K).; DH |
28.30 | 313.2 | Paz Andrade, Paz, et al., 1970 | DH |
23.31 | 250. | Nikolaev, Rabinovich, et al., 1967 | T = 80 to 250 K.; DH |
26.7820 | 297.359 | Hwa and Ziegler, 1966 | T = 165 to 304 K. Unsmoothed experimental datum.; DH |
26.831 | 298. | Rabinovich and Nikolaev, 1962 | T = 15 to 55°C.; DH |
26.759 | 298.15 | Green J.H.S., 1961 | T = 16 to 350 K.; DH |
28.39 | 316. | Swietoslawski and Zielenkiewicz, 1960 | Mean value 21 to 66°C.; DH |
27.41 | 297.8 | Mazur, 1940 | T = 174 to 298 K. Unsmoothed experimental datum. Cp(liq) = 0.5437 + 0.001858t + 0.0000098t2 cal/g*K. Cp(298.15 K) = 114.9 J/mol*K, calculated from equation.; DH |
26.70 | 298. | Bykov, 1939 | DH |
24.69 | 298. | Ernst, Watkins, et al., 1936 | DH |
28.375 | 313.15 | Fiock, Ginnings, et al., 1931 | T = 40 to 110°C.; DH |
26.260 | 294.31 | Kelley, 1929 | T = 16 to 298 K. Value is unsmoothed experimental datum.; DH |
25.41 | 270. | Mitsukuri and Hara, 1929 | T = 190 to 270 K.; DH |
38.41 | 298.1 | Parks, Kelley, et al., 1929 | Extrapolation below 90 K, 38.9 J/mol*K. Revision of previous data.; DH |
27.10 | 298.0 | Parks, 1925 | T = 87 to 298 K. Value is unsmoothed experimental datum.; DH |
27.51 | 303. | Willams and Daniels, 1924 | T = 303 to 333 K. Equation only.; DH |
24.47 | 271.4 | Gibson, Parks, et al., 1920 | T = 85 to 271.4 K. Unsmoothed experimental datum. Data also given for the glassy state from 85.9 to 96.3 K.; DH |
26.79 | 298. | von Reis, 1881 | T = 288 to 346 K.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 351.5 ± 0.2 | K | AVG | N/A | Average of 138 out of 148 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 159. ± 2. | K | AVG | N/A | Average of 11 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 150. ± 20. | K | AVG | N/A | Average of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 514. ± 7. | K | AVG | N/A | Average of 37 out of 38 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 62. ± 4. | atm | AVG | N/A | Average of 18 out of 19 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.168 | l/mol | N/A | Gude and Teja, 1995 | |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 6.0 ± 0.2 | mol/l | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 10.1 ± 0.1 | kcal/mol | AVG | N/A | Average of 12 out of 13 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.216 | 351.5 | N/A | Majer and Svoboda, 1985 | |
9.97 | 326. | N/A | Mejia, Segura, et al., 2010 | Based on data from 311. to 351. K.; AC |
9.39 | 338. | N/A | Aucejo, Loras, et al., 1999 | Based on data from 323. to 357. K.; AC |
9.73 | 321. | EB | Diogo, Santos, et al., 1995 | Based on data from 309. to 343. K.; AC |
9.68 | 357. | N/A | Ortega, Susial, et al., 1990 | Based on data from 342. to 357. K.; AC |
8.41 | 393. | C | Vine and Wormald, 1989 | AC |
7.31 | 423. | C | Vine and Wormald, 1989 | AC |
6.14 | 453. | C | Vine and Wormald, 1989 | AC |
5.21 | 473. | C | Vine and Wormald, 1989 | AC |
4.13 | 493. | C | Vine and Wormald, 1989 | AC |
3.39 | 503. | C | Vine and Wormald, 1989 | AC |
9.78 | 320. | C | Dong, Lin, et al., 1988 | AC |
9.66 | 328. | C | Dong, Lin, et al., 1988 | AC |
9.61 | 335. | C | Dong, Lin, et al., 1988 | AC |
9.42 | 344. | C | Dong, Lin, et al., 1988 | AC |
9.27 | 351. | C | Dong, Lin, et al., 1988 | AC |
9.87 | 335. | A | Stephenson and Malanowski, 1987 | Based on data from 320. to 359. K.; AC |
10.9 | 256. | A | Stephenson and Malanowski, 1987 | Based on data from 210. to 271. K.; AC |
11. | 208. | A | Stephenson and Malanowski, 1987 | Based on data from 193. to 223. K.; AC |
9.87 | 335. | A | Stephenson and Malanowski, 1987 | Based on data from 320. to 359. K.; AC |
9.58 | 361. | A | Stephenson and Malanowski, 1987 | Based on data from 349. to 374. K.; AC |
9.35 | 385. | A | Stephenson and Malanowski, 1987 | Based on data from 370. to 464. K.; AC |
8.63 | 474. | A | Stephenson and Malanowski, 1987 | Based on data from 459. to 514. K.; AC |
10.2 | 307. | A | Stephenson and Malanowski, 1987 | Based on data from 292. to 353. K.; AC |
10.2 | 308. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 293. to 366. K. See also Ambrose, Counsell, et al., 1970.; AC |
10.3 | 286. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 271. to 373. K.; AC |
9.80 ± 0.02 | 320. | C | Counsell, Fenwick, et al., 1970 | AC |
9.56 ± 0.02 | 335. | C | Counsell, Fenwick, et al., 1970 | AC |
9.25 ± 0.02 | 351. | C | Counsell, Fenwick, et al., 1970 | AC |
10.1 | 303. | N/A | Van Ness, Soczek, et al., 1967 | Based on data from 288. to 348. K.; AC |
10.1 | 313. | N/A | Kretschmer and Wiebe, 1949 | Based on data from 298. to 351. K.; AC |
9.56 | 351. | N/A | Oguri, Anjo, et al., 1934 | AC |
12.9 | 301. | N/A | Kahlbaum, 1883 | Based on data from 286. to 351. K.; AC |
Enthalpy of vaporization
ΔvapH = A exp(-αTr)
(1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kcal/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | 298. to 469. |
---|---|
A (kcal/mol) | 12.05 |
α | -0.4475 |
β | 0.4989 |
Tc (K) | 513.9 |
Reference | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
364.8 to 513.91 | 4.91960 | 1432.526 | -61.819 | Ambrose, Sprake, et al., 1975 | Coefficents calculated by NIST from author's data. |
292.77 to 366.63 | 5.24106 | 1598.673 | -46.424 | Ambrose and Sprake, 1970 | Coefficents calculated by NIST from author's data. |
273. to 351.70 | 5.36658 | 1670.409 | -40.191 | Kretschmer and Wiebe, 1949 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.189 | 159. | Yoshida, 1944 | DH |
1.200 | 158.5 | Kelley, 1929 | DH |
1.106 | 156.2 | Gibson, Parks, et al., 1920 | DH |
1.11 | 158.8 | Domalski and Hearing, 1996 | AC |
1.186 | 158.7 | Parks, 1925 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
7.48 | 159. | Yoshida, 1944 | DH |
7.572 | 158.5 | Kelley, 1929 | DH |
5.072 | 158.7 | Parks, 1925 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.730 | 111.4 | Domalski and Hearing, 1996 | CAL |
6.991 | 158.8 | ||
1.2 | 127.5 | ||
7.41 | 159. |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.158 | 127.5 | crystaline, II | liquid | Haida, Suga, et al., 1977 | DH |
1.179 | 159.00 | crystaline, I | liquid | Haida, Suga, et al., 1977 | DH |
0.7500 | 111.4 | crystaline, II | crystaline, I | Nikolaev, Rabinovich, et al., 1967 | DH |
1.110 | 158.8 | crystaline, I | liquid | Nikolaev, Rabinovich, et al., 1967 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
1.24 | 127.5 | crystaline, II | liquid | Haida, Suga, et al., 1977 | DH |
7.412 | 159.00 | crystaline, I | liquid | Haida, Suga, et al., 1977 | DH |
6.733 | 111.4 | crystaline, II | crystaline, I | Nikolaev, Rabinovich, et al., 1967 | DH |
6.989 | 158.8 | crystaline, I | liquid | Nikolaev, Rabinovich, et al., 1967 | DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Ion clustering 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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
MS - José A. Martinho Simões
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: C2H7O+ + C2H6O = (C2H7O+ • C2H6O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.0 | 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 |
ΔrH° | 32.2 | kcal/mol | ICR | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
Quantity | Value | Units | Method | Reference | Comment |
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 |
ΔrS° | 28.5 | cal/mol*K | N/A | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 23.5 | 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 |
ΔrG° | 23.7 | kcal/mol | ICR | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
By formula: C2H5O- + C2H6O = (C2H5O- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.6 ± 1.0 | kcal/mol | TDEq | Meot-Ner and Sieck, 1986 | gas phase; B,M |
ΔrH° | 28.1 ± 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,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.8 | cal/mol*K | PHPMS | Meot-Ner and Sieck, 1986 | gas phase; 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° | 19.6 ± 1.6 | kcal/mol | TDEq | Meot-Ner and Sieck, 1986 | gas phase; B |
ΔrG° | 19.0 ± 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,M |
ΔrG° | 20.1 | kcal/mol | ICR | McIver, Scott, et al., 1973 | gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; Meot-Ner (Mautner), 1992; M |
C2H5NaO (cr) + 0.5( • 1100
) (solution) =
(solution) + 0.5
(solution)
By formula: C2H5NaO (cr) + 0.5(H2O4S • 1100H2O) (solution) = C2H6O (solution) + 0.5Na2O4S (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -28.30 ± 0.91 | kcal/mol | RSC | Blanchard, Joly, et al., 1974 | solvent: Sulphuric acid aqueous solution; The reaction enthalpy relies on -2.53 kcal/mol for the enthalpy of solution of EtOH(l) and on 9.97±0.04 for the enthalpy of solution of Na2SO4(cr) Blanchard, Joly, et al., 1974. A value of -117.3 ± 1.4 kcal/mol was derived in Blanchard, Joly, et al., 1974 for the enthalpy of formation. However, this value is affected by a calculation error. Also, the authors have not accounted for the acid dilution (this correction could not be made in the present database, due to lack of information). These problems were also noted in the data compilations Tel'noi and Rabinovich, 1980 and Wagman, Evans W.H., et al., 1982, where the values quoted for the enthalpy of formation, which rely on the experimental data reported in Blanchard, Joly, et al., 1974, are -98.0 ± 1.0 kcal/mol and -98.90 kcal/mol, respectively. See also comments in Liebman, Martinho Simões, et al., 1995; MS |
By formula: Cl- + C2H6O = (Cl- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.90 ± 0.40 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 17.60 ± 0.50 | kcal/mol | TDAs | Hiraoka, 1987 | gas phase; B,B,M |
ΔrH° | 17.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.7 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
ΔrS° | 23.1 | cal/mol*K | N/A | Larson and McMahon, 1984 | gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.65 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 10.5 ± 2.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
ΔrG° | 10.5 ± 2.0 | kcal/mol | TDAs | Hiraoka, 1987 | gas phase; B |
ΔrG° | 10.4 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
10.0 | 295. | ICR | Riveros, 1974 | gas phase; switching reaction(Cl-)CH3OH; Riveros, Breda, et al., 1973; M |
C2H5O- + =
By formula: C2H5O- + H+ = C2H6O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 379.2 ± 1.0 | kcal/mol | D-EA | Ramond, Davico, et al., 2000 | gas phase; B |
ΔrH° | 378.0 ± 2.0 | kcal/mol | CIDC | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy.; B |
ΔrH° | 377.4 ± 2.1 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrH° | 379.10 ± 0.10 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 372.6 ± 1.1 | kcal/mol | H-TS | Ramond, Davico, et al., 2000 | gas phase; B |
ΔrG° | 371.4 ± 2.1 | kcal/mol | H-TS | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy.; B |
ΔrG° | 370.8 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
By formula: C2H5O+ + C2H6O = (C2H5O+ • C2H6O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.5 | 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° | 26.0 | 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: C3H9O+ + C2H6O = (C3H9O+ • C2H6O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.5 | 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° | 28.6 | 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° | 22.0 | 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: C4H9O- + C2H6O = (C4H9O- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.6 ± 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° | 17.9 ± 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: C3H7O- + C2H6O = (C3H7O- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.4 ± 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° | 18.7 ± 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: C3H9O+ + C2H6O = (C3H9O+ • C2H6O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 31.9 | kcal/mol | ICR | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 28.2 | cal/mol*K | N/A | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 23.5 | kcal/mol | ICR | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
By formula: F- + C2H6O = (F- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.40 ± 0.70 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 31.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |
ΔrH° | 32.5 ± 2.2 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.9 | 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° | 24.74 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 24.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |
By formula: CN- + C2H6O = (CN- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.4 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B,M |
ΔrH° | 17.4 ± 3.5 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.5 | cal/mol*K | PHPMS | Meot-ner, 1988 | gas phase; M |
ΔrS° | 24.5 | 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° | 10.7 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B |
ΔrG° | 10.0 ± 2.3 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
By formula: I- + C2H6O = (I- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.00 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 12.1 ± 1.0 | kcal/mol | TDAs | Caldwell and Kebarle, 1984 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.9 | cal/mol*K | PHPMS | Caldwell and Kebarle, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 6.11 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 6.4 ± 1.0 | kcal/mol | TDAs | Caldwell and Kebarle, 1984 | gas phase; B |
ΔrG° | 6.0 ± 2.0 | kcal/mol | IMRE | Tanabe, Morgon, et al., 1996 | gas phase; Anchored to H2O..I- of Caldwell and Kebarle, 1984; B |
By formula: C3H9Si+ + C2H6O = (C3H9Si+ • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 42.0 | 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° | 30.3 | 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 |
---|---|---|---|---|
27.9 | 468. | PHPMS | Wojtyniak and Stone, 1986 | gas phase; switching reaction,Thermochemical ladder(CH3)3Si+))H2O, Entropy change calculated or estimated; M |
By formula: HS- + C2H6O = (HS- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.30 ± 0.10 | kcal/mol | TDAs | Sieck and Meot-ner, 1989 | gas phase; B,M |
ΔrH° | 16.2 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.0 | cal/mol*K | PHPMS | Sieck and Meot-ner, 1989 | gas phase; M |
ΔrS° | 19.8 | cal/mol*K | PHPMS | Meot-ner, 1988 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.60 ± 0.40 | kcal/mol | TDAs | Sieck and Meot-ner, 1989 | gas phase; B |
ΔrG° | 10.3 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B |
By formula: C3H9Sn+ + C2H6O = (C3H9Sn+ • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 34.8 | kcal/mol | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 32.2 | cal/mol*K | N/A | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
17.9 | 525. | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
By formula: C5H11O- + C2H6O = (C5H11O- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.3 ± 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° | 17.6 ± 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 |
By formula: (Cl- • 2C2H6O) + C2H6O = (Cl- • 3C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.90 ± 0.70 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 12.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.8 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.16 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 5.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • C2H6O) + C2H6O = (Cl- • 2C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.30 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 16.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.9 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 7.34 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 8.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 9C2H6O) + C2H6O = (Cl- • 10C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.9 ± 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° | 25. | cal/mol*K | N/A | Hiraoka and Mizuse, 1987 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.4 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; Estimated entropy; single temperature measurement; B |
By formula: (Cl- • 8C2H6O) + C2H6O = (Cl- • 9C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.0 ± 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° | 25. | cal/mol*K | N/A | Hiraoka and Mizuse, 1987 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; Estimated entropy; single temperature measurement; B |
By formula: CH6N+ + C2H6O = (CH6N+ • C2H6O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.3 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | N/A | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
8.9 | 496. | PHPMS | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated; M |
By formula: Na+ + C2H6O = (Na+ • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.3 ± 1.3 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 24.4 ± 0.9 | kcal/mol | CIDT | Armentrout and Rodgers, 2000 | RCD |
ΔrH° | 24.4 ± 0.9 | kcal/mol | CIDT | Rodgers and Armentrout, 1999 | RCD |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
19.0 | 298. | IMRE | McMahon and Ohanessian, 2000 | Anchor alanine=39.89; RCD |
0.0 | 0. | CIDT | Rodgers and Armentrout, 1999 | RCD |
By formula: (Na+ • C2H6O) + C2H6O = (Na+ • 2C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.7 ± 1.6 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 23.1 ± 1.1 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 23.7 ± 1.6 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 23.3 ± 1.4 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
C2H5LiO (cr) + 0.5( • 1100
) (solution) = 0.5Li2O4S (solution) +
(solution)
By formula: C2H5LiO (cr) + 0.5(H2O4S • 1100H2O) (solution) = 0.5Li2O4S (solution) + C2H6O (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -27.15 ± 0.31 | kcal/mol | RSC | Blanchard, Joly, et al., 1974 | solvent: Sulphuric acid aqueous solution; The reaction enthalpy relies on -2.53 kcal/mol for the enthalpy of solution of EtOH(l) and on -17.5±0.3 for the enthalpy of solution of Li2SO4(cr) Blanchard, Joly, et al., 1974.; MS |
C2H5KO (cr) + 0.5( • 1100
) (solution) =
(solution) + 0.5K2O4S (solution)
By formula: C2H5KO (cr) + 0.5(H2O4S • 1100H2O) (solution) = C2H6O (solution) + 0.5K2O4S (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -31.62 ± 0.69 | kcal/mol | RSC | Blanchard, Joly, et al., 1974 | solvent: Sulphuric acid aqueous solution; The reaction enthalpy relies on -2.53 kcal/mol for the enthalpy of solution of EtOH(l) and on 35.1±0.1 for the enthalpy of solution of K2SO4(cr) Blanchard, Joly, et al., 1974.; MS |
+
= C2H6BrO-
By formula: Br- + C2H6O = C2H6BrO-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.10 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 8.8 ± 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: H2 + C2H4O = C2H6O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -19.44 ± 0.34 | kcal/mol | Chyd | Wiberg, Crocker, et al., 1991 | liquid phase; solvent: Triglyme; ALS |
ΔrH° | -16.51 ± 0.10 | kcal/mol | Chyd | Dolliver, Gresham, et al., 1938 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -16.8 ± 0.1 kcal/mol; At 355 °K; ALS |
By formula: (Cl- • 3C2H6O) + C2H6O = (Cl- • 4C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.5 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 4C2H6O) + C2H6O = (Cl- • 5C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 30.6 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 5C2H6O) + C2H6O = (Cl- • 6C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 31.0 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 6C2H6O) + C2H6O = (Cl- • 7C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.9 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 7C2H6O) + C2H6O = (Cl- • 8C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.2 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.6 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: C2H3O2- + C2H6O = (C2H3O2- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.7 ± 1.0 | kcal/mol | N/A | Meot-Ner and Sieck, 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.2 | cal/mol*K | PHPMS | Meot-Ner and Sieck, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 11.9 ± 1.6 | kcal/mol | TDAs | Meot-Ner and Sieck, 1986 | gas phase; B |
By formula: C4H8 + C2H6O = C6H14O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -7.65 | kcal/mol | Cm | Sola, Pericas, et al., 1995 | liquid phase; ALS |
ΔrH° | -7.65 | kcal/mol | Kin | Sola, Pericas, et al., 1995 | liquid phase; ALS |
ΔrH° | -14.9 ± 0.5 | kcal/mol | Eqk | Iborra, Izquierdo, et al., 1989 | gas phase; GC; ALS |
By formula: C2H4NO2- + C2H6O = C4H10NO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.57 ± 0.50 | kcal/mol | TDAs | Nieckarz, Atkins, et al., 2008 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.8 ± 1.0 | kcal/mol | TDAs | Nieckarz, Atkins, et al., 2008 | gas phase; B |
+ 2
= C4H12IO2-
By formula: I- + 2C2H6O = C4H12IO2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.50 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.42 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
+ 2
= C4H12BrO2-
By formula: Br- + 2C2H6O = C4H12BrO2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.50 ± 0.60 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.72 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
+ 3
= C6H18IO3-
By formula: I- + 3C2H6O = C6H18IO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.40 ± 0.50 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.51 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
+ 3
= C6H18BrO3-
By formula: Br- + 3C2H6O = C6H18BrO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.50 ± 0.30 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.37 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
By formula: C2H6FO- + 2C2H6O = C4H12FO2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.60 ± 0.30 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 12.10 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
By formula: C2H6O + C3H6O2 = C5H10O2 + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -5.40 ± 0.10 | kcal/mol | Eqk | Essex and Sandholzer, 1938 | liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -5.627 kcal/mol; ALS |
By formula: C4H12FO2- + 3C2H6O = C6H18FO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.60 ± 0.10 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.12 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
+
= C8H11O2-
By formula: C6H5O- + C2H6O = C8H11O2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.3 ± 1.0 | kcal/mol | N/A | Meot-Ner and Sieck, 1986 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 11.2 ± 1.6 | kcal/mol | TDAs | Meot-Ner and Sieck, 1986 | gas phase; B |
By formula: C6H5O- + C2H6O = (C6H5O- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.3 | kcal/mol | PHPMS | Meot-Ner and Sieck, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.0 | cal/mol*K | PHPMS | Meot-Ner and Sieck, 1986 | gas phase; M |
4 (l) +
(l) =
(l) + 4(
• 51.3
) (solution)
By formula: 4C2H6O (l) + Cl4Ti (l) = C8H20O4Ti (l) + 4(HCl • 51.3H2O) (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -49.1 ± 1.0 | kcal/mol | RSC | Bradley and Hillyer, 1966 | Please also see Pedley and Rylance, 1977.; MS |
+
= C2H5D6FO-
By formula: F- + C2H6O = C2H5D6FO-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 23.7 ± 2.0 | kcal/mol | IMRE | Wilkinson, Szulejko, et al., 1992 | gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B |
By formula: Mg+ + C2H6O = (Mg+ • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 63. ± 5. | kcal/mol | ICR | Operti, Tews, et al., 1988 | gas phase; switching reaction,Thermochemical ladder(Mg+)CH3OH; M |
3 +
= CNa2O3 +
+
+
By formula: 3HNaO + C3H5ClO2 = CNa2O3 + C2H6O + ClNa + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -77.27 ± 0.41 | kcal/mol | Cm | Davies, Finch, et al., 1980 | liquid phase; Heat of hydrolysis; ALS |
By formula: C9H16N2O2 + H2O = C4H8O2 + C3H4N2 + C2H6O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -10.68 ± 0.16 | kcal/mol | Cm | Guthrie and Pike, 1987 | liquid phase; Heat of hydrolysis; ALS |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Ion clustering 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
MM - Michael M. Meot-Ner (Mautner)
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C2H6O+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 10.48 ± 0.07 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 185.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 178. | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Proton affinity at 298K
Proton affinity (kcal/mol) | Reference | Comment |
---|---|---|
186.3 ± 0.2 | Tabrizchi and Shooshtari, 2003 | T = 403-453K; Authors report only relative PAs. Absolute values are referenced here to PA(CH3COOC2H5) = 835.7 kJ/mol as listed in Hunter and Lias, 1998, although average PA(CH3COOC2H5) from the literature sources in Hunter and Lias, 1998 is 831.0 kJ/mol; MM |
Ionization energy determinations
Appearance energy determinations
De-protonation reactions
C2H5O- + =
By formula: C2H5O- + H+ = C2H6O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 379.2 ± 1.0 | kcal/mol | D-EA | Ramond, Davico, et al., 2000 | gas phase; B |
ΔrH° | 378.0 ± 2.0 | kcal/mol | CIDC | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy.; B |
ΔrH° | 377.4 ± 2.1 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrH° | 379.10 ± 0.10 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 372.6 ± 1.1 | kcal/mol | H-TS | Ramond, Davico, et al., 2000 | gas phase; B |
ΔrG° | 371.4 ± 2.1 | kcal/mol | H-TS | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy.; B |
ΔrG° | 370.8 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
Anion protonation reactions
C2H5O- + =
By formula: C2H5O- + H+ = C2H6O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 379.2 ± 1.0 | kcal/mol | D-EA | Ramond, Davico, et al., 2000 | gas phase; B |
ΔrH° | 378.0 ± 2.0 | kcal/mol | CIDC | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy.; B |
ΔrH° | 377.4 ± 2.1 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrH° | 379.10 ± 0.10 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 372.6 ± 1.1 | kcal/mol | H-TS | Ramond, Davico, et al., 2000 | gas phase; B |
ΔrG° | 371.4 ± 2.1 | kcal/mol | H-TS | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy.; B |
ΔrG° | 370.8 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
Ion clustering data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
+
= C2H6BrO-
By formula: Br- + C2H6O = C2H6BrO-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.10 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 8.8 ± 2.0 | kcal/mol | IMRE | Tanabe, Morgon, et al., 1996 | gas phase; Anchored to H2O..Br- of Hiraoka, Mizure, et al., 19882; B |
+ 2
= C4H12BrO2-
By formula: Br- + 2C2H6O = C4H12BrO2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.50 ± 0.60 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.72 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
+ 3
= C6H18BrO3-
By formula: Br- + 3C2H6O = C6H18BrO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.50 ± 0.30 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.37 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
By formula: CH6N+ + C2H6O = (CH6N+ • C2H6O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.3 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | N/A | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
8.9 | 496. | PHPMS | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated; M |
By formula: CN- + C2H6O = (CN- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.4 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B,M |
ΔrH° | 17.4 ± 3.5 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.5 | cal/mol*K | PHPMS | Meot-ner, 1988 | gas phase; M |
ΔrS° | 24.5 | 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° | 10.7 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B |
ΔrG° | 10.0 ± 2.3 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
By formula: C2H3O2- + C2H6O = (C2H3O2- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.7 ± 1.0 | kcal/mol | N/A | Meot-Ner and Sieck, 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.2 | cal/mol*K | PHPMS | Meot-Ner and Sieck, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 11.9 ± 1.6 | kcal/mol | TDAs | Meot-Ner and Sieck, 1986 | gas phase; B |
By formula: C2H4NO2- + C2H6O = C4H10NO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.57 ± 0.50 | kcal/mol | TDAs | Nieckarz, Atkins, et al., 2008 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.8 ± 1.0 | kcal/mol | TDAs | Nieckarz, Atkins, et al., 2008 | gas phase; B |
By formula: C2H5O+ + C2H6O = (C2H5O+ • C2H6O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.5 | 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° | 26.0 | 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: C2H5O- + C2H6O = (C2H5O- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.6 ± 1.0 | kcal/mol | TDEq | Meot-Ner and Sieck, 1986 | gas phase; B,M |
ΔrH° | 28.1 ± 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,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.8 | cal/mol*K | PHPMS | Meot-Ner and Sieck, 1986 | gas phase; 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° | 19.6 ± 1.6 | kcal/mol | TDEq | Meot-Ner and Sieck, 1986 | gas phase; B |
ΔrG° | 19.0 ± 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,M |
ΔrG° | 20.1 | kcal/mol | ICR | McIver, Scott, et al., 1973 | gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; Meot-Ner (Mautner), 1992; M |
By formula: C2H6FO- + 2C2H6O = C4H12FO2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.60 ± 0.30 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 12.10 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
By formula: C2H7O+ + C2H6O = (C2H7O+ • C2H6O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.0 | 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 |
ΔrH° | 32.2 | kcal/mol | ICR | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
Quantity | Value | Units | Method | Reference | Comment |
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 |
ΔrS° | 28.5 | cal/mol*K | N/A | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 23.5 | 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 |
ΔrG° | 23.7 | kcal/mol | ICR | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
By formula: C3H7O- + C2H6O = (C3H7O- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.4 ± 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° | 18.7 ± 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: C3H9O+ + C2H6O = (C3H9O+ • C2H6O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.5 | 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° | 28.6 | 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° | 22.0 | 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: C3H9O+ + C2H6O = (C3H9O+ • C2H6O)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 31.9 | kcal/mol | ICR | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 28.2 | cal/mol*K | N/A | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 23.5 | kcal/mol | ICR | Bomse and Beauchamp, 1981 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984; M |
By formula: C3H9Si+ + C2H6O = (C3H9Si+ • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 42.0 | 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° | 30.3 | 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 |
---|---|---|---|---|
27.9 | 468. | PHPMS | Wojtyniak and Stone, 1986 | gas phase; switching reaction,Thermochemical ladder(CH3)3Si+))H2O, Entropy change calculated or estimated; M |
By formula: C3H9Sn+ + C2H6O = (C3H9Sn+ • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 34.8 | kcal/mol | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 32.2 | cal/mol*K | N/A | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
17.9 | 525. | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
By formula: C4H9O- + C2H6O = (C4H9O- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.6 ± 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° | 17.9 ± 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: C4H12FO2- + 3C2H6O = C6H18FO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.60 ± 0.10 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.12 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
By formula: C5H11O- + C2H6O = (C5H11O- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.3 ± 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° | 17.6 ± 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 |
By formula: C6H5O- + C2H6O = (C6H5O- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.3 | kcal/mol | PHPMS | Meot-Ner and Sieck, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.0 | cal/mol*K | PHPMS | Meot-Ner and Sieck, 1986 | gas phase; M |
+
= C8H11O2-
By formula: C6H5O- + C2H6O = C8H11O2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.3 ± 1.0 | kcal/mol | N/A | Meot-Ner and Sieck, 1986 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 11.2 ± 1.6 | kcal/mol | TDAs | Meot-Ner and Sieck, 1986 | gas phase; B |
By formula: Cl- + C2H6O = (Cl- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.90 ± 0.40 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 17.60 ± 0.50 | kcal/mol | TDAs | Hiraoka, 1987 | gas phase; B,B,M |
ΔrH° | 17.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.7 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
ΔrS° | 23.1 | cal/mol*K | N/A | Larson and McMahon, 1984 | gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.65 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 10.5 ± 2.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
ΔrG° | 10.5 ± 2.0 | kcal/mol | TDAs | Hiraoka, 1987 | gas phase; B |
ΔrG° | 10.4 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
10.0 | 295. | ICR | Riveros, 1974 | gas phase; switching reaction(Cl-)CH3OH; Riveros, Breda, et al., 1973; M |
By formula: (Cl- • C2H6O) + C2H6O = (Cl- • 2C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.30 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 16.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.9 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 7.34 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 8.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 2C2H6O) + C2H6O = (Cl- • 3C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.90 ± 0.70 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 12.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.8 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.16 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 5.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 3C2H6O) + C2H6O = (Cl- • 4C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.5 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 4C2H6O) + C2H6O = (Cl- • 5C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 30.6 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 5C2H6O) + C2H6O = (Cl- • 6C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 31.0 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 6C2H6O) + C2H6O = (Cl- • 7C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.9 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 7C2H6O) + C2H6O = (Cl- • 8C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.2 | cal/mol*K | PHPMS | Hiraoka and Mizuse, 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.6 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; B |
By formula: (Cl- • 8C2H6O) + C2H6O = (Cl- • 9C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.0 ± 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° | 25. | cal/mol*K | N/A | Hiraoka and Mizuse, 1987 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; Estimated entropy; single temperature measurement; B |
By formula: (Cl- • 9C2H6O) + C2H6O = (Cl- • 10C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.9 ± 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° | 25. | cal/mol*K | N/A | Hiraoka and Mizuse, 1987 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.4 ± 1.0 | kcal/mol | TDAs | Hiraoka and Mizuse, 1987 | gas phase; Estimated entropy; single temperature measurement; B |
+
= C2H5D6FO-
By formula: F- + C2H6O = C2H5D6FO-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 23.7 ± 2.0 | kcal/mol | IMRE | Wilkinson, Szulejko, et al., 1992 | gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B |
By formula: F- + C2H6O = (F- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.40 ± 0.70 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 31.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |
ΔrH° | 32.5 ± 2.2 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.9 | 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° | 24.74 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 24.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |
By formula: HS- + C2H6O = (HS- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.30 ± 0.10 | kcal/mol | TDAs | Sieck and Meot-ner, 1989 | gas phase; B,M |
ΔrH° | 16.2 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.0 | cal/mol*K | PHPMS | Sieck and Meot-ner, 1989 | gas phase; M |
ΔrS° | 19.8 | cal/mol*K | PHPMS | Meot-ner, 1988 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.60 ± 0.40 | kcal/mol | TDAs | Sieck and Meot-ner, 1989 | gas phase; B |
ΔrG° | 10.3 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B |
By formula: I- + C2H6O = (I- • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.00 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrH° | 12.1 ± 1.0 | kcal/mol | TDAs | Caldwell and Kebarle, 1984 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.9 | cal/mol*K | PHPMS | Caldwell and Kebarle, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 6.11 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
ΔrG° | 6.4 ± 1.0 | kcal/mol | TDAs | Caldwell and Kebarle, 1984 | gas phase; B |
ΔrG° | 6.0 ± 2.0 | kcal/mol | IMRE | Tanabe, Morgon, et al., 1996 | gas phase; Anchored to H2O..I- of Caldwell and Kebarle, 1984; B |
+ 2
= C4H12IO2-
By formula: I- + 2C2H6O = C4H12IO2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.50 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.42 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
+ 3
= C6H18IO3-
By formula: I- + 3C2H6O = C6H18IO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.40 ± 0.50 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.51 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |
By formula: Li+ + C2H6O = (Li+ • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 39.2 ± 1.9 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
By formula: Mg+ + C2H6O = (Mg+ • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 63. ± 5. | kcal/mol | ICR | Operti, Tews, et al., 1988 | gas phase; switching reaction,Thermochemical ladder(Mg+)CH3OH; M |
By formula: Na+ + C2H6O = (Na+ • C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.3 ± 1.3 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 24.4 ± 0.9 | kcal/mol | CIDT | Armentrout and Rodgers, 2000 | RCD |
ΔrH° | 24.4 ± 0.9 | kcal/mol | CIDT | Rodgers and Armentrout, 1999 | RCD |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
19.0 | 298. | IMRE | McMahon and Ohanessian, 2000 | Anchor alanine=39.89; RCD |
0.0 | 0. | CIDT | Rodgers and Armentrout, 1999 | RCD |
By formula: (Na+ • C2H6O) + C2H6O = (Na+ • 2C2H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.7 ± 1.6 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 23.1 ± 1.1 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 23.7 ± 1.6 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 23.3 ± 1.4 | kcal/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, References, Notes
Data compiled by: Coblentz Society, Inc.
- GAS (30 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 (10% IN CCl4 FOR 3800-1340, 10% IN CS2 FOR 1340-400 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
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
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, 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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Zhuravlev E.Z., 1959
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Tr. Khim. i Khim. Tekhnol., 1959, 2, 475-485. [all data]
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Petrol. Refiner, 1961, 40 (4), 127-130. [all data]
Green J.H.S., 1961
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Thermodynamic properties of organic oxygen compounds. Part 5. Ethyl alcohol,
Trans. Faraday Soc., 1961, 57, 2132-2137. [all data]
Green J.H.S., 1961, 2
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Thermodynamic properties of the normal alcohols C1-C12,
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Chao J., 1986
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Ideal gas thermodynamic properties of simple alkanols,
Int. J. Thermophys., 1986, 7, 431-442. [all data]
Gurvich, Veyts, et al., 1989
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Chao J., 1986, 2
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Heat capacity of alcohol vapors at atmospheric pressure,
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Molar heats of vapor organic compounds,
Z. Phys. Chem. (Leipzig), 1938, B39, 126-144. [all data]
Eucken A., 1948
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Rotational hindrance in ether and alcohol molecules on the basis of heat capacity determinations,
Z. Elektrochem., 1948, 52, 195-204. [all data]
Barrow G.M., 1952
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Heat capacity, gas imperfection, infrared spectra, and internal rotation barriers of ethyl alcohol,
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Sinke G.C., 1953
Sinke G.C.,
The heat capacity of organic vapors. VIII. Data for some aliphatic alcohols using an improved flow calorimeter requiring only 25 ml of sample,
J. Am. Chem. Soc., 1953, 75, 1815-1818. [all data]
Halford J.O., 1957
Halford J.O.,
Standard heat capacities of gaseous methanol, ethanol, methane and ethane at 279 K by thermal conductivity,
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Counsell J.F., 1970
Counsell J.F.,
Thermodynamic properties of organic oxygen compounds. 24. Vapor heat capacities and enthalpies of vaporization of ethanol, 2-methyl-1-propanol, and 1-pentanol,
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Chao and Rossini, 1965
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Heats of combustion, formation, and isomerization of nineteen alkanols,
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Rossini, 1934
Rossini, F.D.,
Heats of combustion and of formation of the normal aliphatic alcohols in the gaseous and liquid states, and the energies of their atomic linkages,
J. Res. NBS, 1934, 13, 189-197. [all data]
Green, 1960
Green, J.H.S.,
Revision of the values of the heats of formation of normal alcohols,
Chem. Ind. (London), 1960, 1215-1216. [all data]
Parks, 1925
Parks, G.S.,
Thermal data on organic compounds I. The heat capacities and free energies of methyl, ethyl and normal-butyl alcohols,
J. Am. Chem. Soc., 1925, 47, 338-345. [all data]
Richards and Davis, 1920
Richards, T.W.; Davis, H.S.,
The heats of combustion of benzene, toluene, aliphatic alcohols, cyclohexanol, and other carbon compounds,
J. Am. Chem. Soc., 1920, 42, 1599-1617. [all data]
Emery and Benedict, 1911
Emery, A.G.; Benedict, F.G.,
The heat of combustion of compounds of physiological importance,
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Haida, Suga, et al., 1977
Haida, O.; Suga, H.; Seki, S.,
Calorimetric study of the glassy state. XII. Plural glass-transition phenomena of ethanol,
J. Chem. Thermodynam., 1977, 9, 1133-1148. [all data]
Kelley, 1929
Kelley, K.K.,
The heat capacities of ethyl and hexyl alcohols from 16°K to 298°K and the corresponding entropies and free energies,
J. Am. Chem. Soc., 1929, 51, 779-786. [all data]
Petrov, Peshekhodov, et al., 1989
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Inst. nevod. rast., 1989, Akad. [all data]
Andreoli-Ball, Patterson, et al., 1988
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Faraday Trans. 1, 1988, 84(11), 3991-4012. [all data]
Ogawa and Murakami, 1986
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Notes
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- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid IE (evaluated) Recommended ionization energy Pc Critical pressure S°liquid Entropy of liquid at standard conditions T Temperature Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature Vc Critical volume ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°gas Enthalpy of combustion of gas at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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