Methanethiol
- Formula: CH4S
- Molecular weight: 48.107
- IUPAC Standard InChIKey: LSDPWZHWYPCBBB-UHFFFAOYSA-N
- CAS Registry Number: 74-93-1
- 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. - Other names: Methyl mercaptan; Mercaptomethane; CH3SH; Methyl sulfhydrate; Methyl thioalcohol; Mercaptan methylique; Methaanthiol; Methanthiol; Methvtiolo; Methylmercaptaan; Metilmercaptano; Rcra waste number U153; Thiomethanol; UN 1064; Methanethiole
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Mass spectrum (electron ionization), UV/Visible 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -5.46 ± 0.14 | kcal/mol | Ccr | Good, Lacina, et al., 1961 |
Condensed phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -11.15 ± 0.13 | kcal/mol | Ccr | Good, Lacina, et al., 1961 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -363.47 ± 0.12 | kcal/mol | Ccr | Good, Lacina, et al., 1961 | Reanalyzed by Cox and Pilcher, 1970, Original value = -363.0 ± 0.12 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 39.011 | cal/mol*K | N/A | Russell, Osborne, et al., 1942 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
21.28 | 280. | Russell, Osborne, et al., 1942 | T = 15 to 280 K.; DH |
Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
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 | 279.1 ± 0.5 | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 150.18 | K | N/A | Morris, Lanum, et al., 1960 | Uncertainty assigned by TRC = 0.02 K; TRC |
Tfus | 150.1 | K | N/A | Teets, 1934 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 150.1 | K | N/A | Ellis and Reid, 1932 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tfus | 152.15 | K | N/A | Timmermans and Mattaar, 1921 | Uncertainty assigned by TRC = 0.6 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 150.14 | K | N/A | Russell, Osborne, et al., 1942, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC |
Ttriple | 150.16 | K | N/A | Russell, Osborne, et al., 1942, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.03 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 469.9 | K | N/A | Berthoud and Brum, 1924 | Uncertainty assigned by TRC = 0.4 K; by disappearance of meniscus turbidity; TRC |
Tc | 469.9 | K | N/A | Berthoud and Brum, 1924 | Uncertainty assigned by TRC = 0.4 K; by appearance of turbidity; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 71.35 | atm | N/A | Berthoud and Brum, 1924 | Uncertainty assigned by TRC = 0.5000 atm; vapor pressure at Tc; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 6.891 | mol/l | N/A | Berthoud and Brum, 1924 | Uncertainty assigned by TRC = 0.04 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 5.69 | kcal/mol | N/A | Reid, 1972 | AC |
ΔvapH° | 5.69 ± 0.02 | kcal/mol | V | Good, Lacina, et al., 1961 | ALS |
ΔvapH° | 5.71 | kcal/mol | N/A | Good, Lacina, et al., 1961 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
5.8719 | 279.12 | N/A | Russell, Osborne, et al., 1942 | P = 101.325 kPa; DH |
6.50 | 223. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 208. to 298. K.; AC |
6.02 | 359. | A | Stephenson and Malanowski, 1987 | Based on data from 267. to 359. K.; AC |
6.14 | 268. | A | Stephenson and Malanowski, 1987 | Based on data from 221. to 283. K.; AC |
5.66 | 360. | A | Stephenson and Malanowski, 1987 | Based on data from 345. to 424. K.; AC |
5.78 | 429. | A | Stephenson and Malanowski, 1987 | Based on data from 414. to 470. K.; AC |
6.17 | 264. | N/A | Stephenson and Malanowski, 1987 | Based on data from 222. to 279. K. See also Russell, Osborne, et al., 1942.; AC |
Entropy of vaporization
ΔvapS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
21.04 | 279.12 | Russell, Osborne, et al., 1942 | P; DH |
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 |
---|---|---|---|---|---|
279.9 to 458. | 4.34810 | 1122.494 | -21.748 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
221.87 to 279.13 | 4.18630 | 1031.431 | -32.72 | Russell, Osborne, et al., 1942 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.4 | 150.2 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
0.380 | 137.6 | Domalski and Hearing, 1996 | CAL |
9.400 | 150.2 |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.05251 | 137.6 | crystaline, II | crystaline, I | Russell, Osborne, et al., 1942 | DH |
1.411 | 150.16 | crystaline, I | liquid | Russell, Osborne, et al., 1942 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.382 | 137.6 | crystaline, II | crystaline, I | Russell, Osborne, et al., 1942 | DH |
9.398 | 150.16 | crystaline, I | liquid | Russell, Osborne, et al., 1942 | DH |
Reaction thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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.
Individual Reactions
By formula: F- + CH4S = (F- • CH4S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 34.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.2 | 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° | 27.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 357.6 ± 2.0 | kcal/mol | D-EA | Schwartz, Davico, et al., 2000 | gas phase; B |
ΔrH° | 357.5 ± 2.0 | kcal/mol | D-EA | Moran and Ellison, 1988 | gas phase; B |
ΔrH° | 356.9 ± 2.2 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 350.6 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
CH3S- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 395.3 ± 2.6 | kcal/mol | G+TS | Kass, Guo, et al., 1990 | gas phase; Acidity between D2O and Me2NH.; B |
ΔrH° | 391.6 ± 7.7 | kcal/mol | D-EA | Kass, Guo, et al., 1990 | gas phase; Between O2 and SO2. Explains bad anchor in McIver Jr. and Fukuda, 1982; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 388.2 ± 2.5 | kcal/mol | IMRB | Kass, Guo, et al., 1990 | gas phase; Acidity between D2O and Me2NH.; B |
By formula: (CH6N+ • 2C2H3N) + CH4S = (CH6N+ • CH4S • 2C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.8 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | N/A | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
2.4 | 270. | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; Entropy change calculated or estimated; M |
By formula: Cl- + CH4S = (Cl- • CH4S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.5 ± 3.0 | kcal/mol | IMRB | Staneke, Groothuis, et al., 1995 | gas phase; Chloride affinity comparable to that of CHCl3; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.8 ± 3.0 | kcal/mol | IMRB | Staneke, Groothuis, et al., 1995 | gas phase; Chloride affinity comparable to that of CHCl3; B |
By formula: C2H3O2- + CH4S = (C2H3O2- • CH4S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.9 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.8 | cal/mol*K | PHPMS | Meot-ner, 1988 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.1 ± 1.0 | kcal/mol | TDAs | Meot-ner, 1988 | gas phase; B |
By formula: (CH6N+ • C2H3N) + CH4S = (CH6N+ • CH4S • C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.9 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.0 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; M |
By formula: CH6N+ + CH4S = (CH6N+ • CH4S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.4 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.1 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; M |
By formula: HI + CH3IS = CH4S + I2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -2.88 ± 0.54 | kcal/mol | Eqk | Shum and Benson, 1983 | gas phase; ALS |
Henry's Law data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
0.20 | 2800. | M | N/A | |
0.71 | E | N/A | Calculated molecular structure relationship. | |
0.39 | 3100. | M | N/A | |
0.26 | 1600. | X | N/A | |
0.33 | M | N/A |
Mass spectrum (electron ionization)
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 86 |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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Download spectrum in JCAMP-DX format.
Source | Bol'shakov, et al., 1969 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 20091 |
Instrument | unknown |
Boiling point | 5.9 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Mass spectrum (electron ionization), UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Good, Lacina, et al., 1961
Good, W.D.; Lacina, J.L.; McCullough, J.P.,
Methanethiol and carbon disulfide: Heats of combustion and formation by rotating-bomb calorimetry,
J. Phys. Chem., 1961, 65, 2229-2231. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Russell, Osborne, et al., 1942
Russell, H., Jr.; Osborne, D.W.; Yost, D.M.,
The heat capacity, entropy, heats of fusion, transition, and vaporization and vapor pressures of methyl mercaptan,
J. Am. Chem. Soc., 1942, 64, 165-169. [all data]
Morris, Lanum, et al., 1960
Morris, J.C.; Lanum, W.J.; Helm, R.V.; Haines, W.E.; Cook, G.L.; Ball, J.S.,
Purification and Properties of Ten Organic Sulfur Compounds,
J. Chem. Eng. Data, 1960, 5, 112-6. [all data]
Teets, 1934
Teets, D.E.,
The Relation of the Melting Point to the Number of Carbon Atoms in a Series of Normal Mercaptans,
J. Am. Chem. Soc., 1934, 56, 1143. [all data]
Ellis and Reid, 1932
Ellis, L.M.; Reid, E.E.,
The Preparation and Properties of A Double Series of Aliphatic Mercaptans,
J. Am. Chem. Soc., 1932, 54, 1674. [all data]
Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F.,
Freezing points of orgainic substances VI. New experimental determinations.,
Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]
Russell, Osborne, et al., 1942, 2
Russell, H.; Osborne, D.W.; Yost, D.M.,
The Heat Capacity, Entropy, Heats of Fusion, Transition and Vaporization and Vapor Pressures of Methyl Mercaptan,
J. Am. Chem. Soc., 1942, 64, 165-9. [all data]
Berthoud and Brum, 1924
Berthoud, A.; Brum, R.,
Physical Properties of Some Organic Compounds.,
J. Chim. Phys. Phys.-Chim. Biol., 1924, 21, 143-60. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Larson and McMahon, 1983
Larson, J.W.; McMahon, T.B.,
Strong hydrogen bonding in gas-phase anions. An ion cyclotron resonance determination of fluoride binding energetics to bronsted acids from gas-phase fluoride exchange equilibria measurements,
J. Am. Chem. Soc., 1983, 105, 2944. [all data]
Wenthold and Squires, 1995
Wenthold, P.G.; Squires, R.R.,
Bond dissociation energies of F2(-) and HF2(-). A gas-phase experimental and G2 theoretical study,
J. Phys. Chem., 1995, 99, 7, 2002, https://doi.org/10.1021/j100007a034
. [all data]
Arshadi, Yamdagni, et al., 1970
Arshadi, M.; Yamdagni, R.; Kebarle, P.,
Hydration of Halide Negative Ions in the Gas Phase. II. Comparison of Hydration Energies for the Alkali Positive and Halide Negative Ions,
J. Phys. Chem., 1970, 74, 7, 1475, https://doi.org/10.1021/j100702a014
. [all data]
Schwartz, Davico, et al., 2000
Schwartz, R.L.; Davico, G.E.; Lineberger, W.C.,
Negative-ion photoelectron spectroscopy of CH3S-,
J. Electron Spectros. Rel. Phenom., 2000, 108, 1-3, 163-168, https://doi.org/10.1016/S0368-2048(00)00125-0
. [all data]
Moran and Ellison, 1988
Moran, S.; Ellison, G.B.,
Photoelectron Spectroscopy of Sulfur Ions,
J. Phys. Chem., 1988, 92, 7, 1794, https://doi.org/10.1021/j100318a021
. [all data]
Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr.,
The gas phase acidity scale from methanol to phenol,
J. Am. Chem. Soc., 1979, 101, 6047. [all data]
Kass, Guo, et al., 1990
Kass, S.R.; Guo, H.-Z.; Dahlke, G.D.,
The Thiomethyl Anion: Formation, Reactivity, and Thermodynamic Properties,
J. Am. Soc. Mass Spectrom., 1990, 1, 5, 366, https://doi.org/10.1016/1044-0305(90)85016-F
. [all data]
McIver Jr. and Fukuda, 1982
McIver Jr.; Fukuda, E.K.,
Equilibrium Electron Affinities,
Lec. Notes in Chem., 1982, 31, 165. [all data]
Meot-Ner (Mautner) and Sieck, 1985
Meot-Ner (Mautner), M.; Sieck, L.W.,
The Ionic Hydrogen Bond and Ion Solvation. 4. SH+ O and NH+ S Bonds. Correlations with Proton Affinity. Mutual Effects of Weak and Strong Ligands in Mixed Clusters,
J. Phys. Chem., 1985, 89, 24, 5222, https://doi.org/10.1021/j100270a021
. [all data]
Staneke, Groothuis, et al., 1995
Staneke, P.O.; Groothuis, G.; Ingemann, S.; Nibbering, N.M.M.,
Formation, stability and structure of radical anions of chloroform, tetrachloromethane and fluorotrichloromethane in the gas phase,
Int. J. Mass Spectrom. Ion Proc., 1995, 142, 1-2, 83, https://doi.org/10.1016/0168-1176(94)04127-S
. [all data]
Meot-ner, 1988
Meot-ner, M.,
Ionic Hydrogen Bond and Ion Solvation. 6. Interaction Energies of the Acetate Ion with Organic Molecules. Comparison of CH3COO- with Cl-, CN-, and SH-,
J. Am. Chem. Soc., 1988, 110, 12, 3854, https://doi.org/10.1021/ja00220a022
. [all data]
Shum and Benson, 1983
Shum, L.G.S.; Benson, S.W.,
Thermochemnistry and kinetics of the reaction of methyl mercaptan with iodine,
Int. J. Chem. Kinet., 1983, 15, 433-453. [all data]
Bol'shakov, et al., 1969
Bol'shakov, G.F., et al.,
Ultraviolet spectra of heteroorganic compounds, 1969, 83. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid 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 d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition 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 ΔvapS Entropy of vaporization ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
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