Dimethyl sulfide
- Formula: C2H6S
- Molecular weight: 62.134
- IUPAC Standard InChIKey: QMMFVYPAHWMCMS-UHFFFAOYSA-N
- CAS Registry Number: 75-18-3
- 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: Methane, thiobis-; Methyl sulfide; Dimethyl monosulfide; Dimethyl thioether; DMS; Methyl monosulfide; 2-Thiapropane; Dimethyl sulphide; Thiobismethane; (CH3)2S; Dimethylsulfid; Exact-S; Methyl sulphide; Methylthiomethane; Sulfure de methyle; 2-Thiopropane; UN 1164; Methyl thioether; Sulfide, methyl-; Methane, 1,1'-thiobis-; (Methylsulfanyl)methane
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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, IR Spectrum, 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -8.96 ± 0.48 | kcal/mol | Ccb | Voronkov, Klyuchnikov, et al., 1989 | ALS |
ΔfH°gas | -8.98 ± 0.14 | kcal/mol | Ccr | McCullough, Hubbard, et al., 1957 | ALS |
ΔfH°gas | -7.74 | kcal/mol | N/A | Douglas, 1946 | Value computed using ΔfHliquid° value of -60.2 kj/mol from Douglas, 1946 and ΔvapH° value of 27.8 kj/mol from McCullough, Hubbard, et al., 1957.; DRB |
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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -15.6 ± 0.36 | kcal/mol | Ccb | Voronkov, Klyuchnikov, et al., 1989 | |
ΔfH°liquid | -15.64 ± 0.14 | kcal/mol | Ccr | McCullough, Hubbard, et al., 1957 | |
ΔfH°liquid | -14.4 | kcal/mol | Cm | Douglas, 1946 | At 291°K |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -521.38 ± 0.08 | kcal/mol | Ccr | McCullough, Hubbard, et al., 1957 | Reanalyzed by Cox and Pilcher, 1970, Original value = -521.09 ± 0.08 kcal/mol |
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:
BS - Robert L. Brown and Stephen E. Stein
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.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 311. ± 3. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 174.88 | K | N/A | Haines, Helm, et al., 1956 | Uncertainty assigned by TRC = 0.06 K; TRC |
Tfus | 174.90 | K | N/A | Mcallan, Cullum, et al., 1951 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 174.85 | K | N/A | Osborne, Doescher, et al., 1942 | Uncertainty assigned by TRC = 0.03 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 503. | K | N/A | Majer and Svoboda, 1985 | |
Tc | 503.0 | K | N/A | Berthoud and Brum, 1924 | Uncertainty assigned by TRC = 0.4 K; by disappearance of meniscus; TRC |
Tc | 503.0 | K | N/A | Berthoud and Brum, 1924 | Uncertainty assigned by TRC = 0.4 K; by apperanance of turbidity; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 54.58 | atm | N/A | Berthoud and Brum, 1924 | Uncertainty assigned by TRC = 0.4000 atm; vapor pressure at Tc; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 4.972 | mol/l | N/A | Berthoud and Brum, 1924 | Uncertainty assigned by TRC = 0.03 mol/l; TRC |
ρc | 4.84 | mol/l | N/A | Herz and Neukirch, 1923 | Uncertainty assigned by TRC = 0.03 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 6.65 ± 0.07 | kcal/mol | AVG | N/A | Average of 8 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.5 | 310.5 | N/A | Majer and Svoboda, 1985 | |
6.91 | 283. | A | Stephenson and Malanowski, 1987 | Based on data from 268. to 319. K.; AC |
6.62 | 322. | A | Stephenson and Malanowski, 1987 | Based on data from 307. to 379. K.; AC |
6.36 | 387. | A | Stephenson and Malanowski, 1987 | Based on data from 372. to 453. K.; AC |
6.38 | 462. | A | Stephenson and Malanowski, 1987 | Based on data from 447. to 503. K.; AC |
6.88 ± 0.02 | 276. | C | McCullough, Hubbard, et al., 1957 | AC |
6.67 ± 0.02 | 292. | C | McCullough, Hubbard, et al., 1957 | AC |
6.45 ± 0.02 | 310. | C | McCullough, Hubbard, et al., 1957 | AC |
6.74 | 302. | EB | White, Barnard--Smith, et al., 1952 | Based on data from 287. to 318. K.; AC |
6.91 | 278. | N/A | Osborne, Doescher, et al., 1942, 2 | Based on data from 251. to 293. K.; AC |
6.91 | 310. | N/A | Thompson and Linnett, 1935 | AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kcal/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kcal/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
276. to 311. | 9.928 | 0.2731 | 503. | 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 |
---|---|---|---|---|---|
250.60 to 293.24 | 4.28142 | 1201.134 | -29.906 | Osborne, Doescher, et al., 1942, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.91 | 174.9 | Domalski and Hearing, 1996 | AC |
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
RCD - Robert C. Dunbar
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
C2H5S- + =
By formula: C2H5S- + H+ = C2H6S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 390.2 ± 1.5 | kcal/mol | D-EA | Moran and Ellison, 1988 | gas phase; B |
ΔrH° | 393.2 ± 2.1 | kcal/mol | G+TS | Ingemann and Nibbering, 1985 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 383.0 ± 1.7 | kcal/mol | H-TS | Moran and Ellison, 1988 | gas phase; B |
ΔrG° | 386.0 ± 2.0 | kcal/mol | IMRE | Ingemann and Nibbering, 1985 | gas phase; B |
By formula: C2H7S+ + C2H6S = (C2H7S+ • C2H6S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.4 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; ΔrH?, inconsistent with other protonated sulfur dimers; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 28.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Sieck, 1985 | gas phase; ΔrH?, inconsistent with other protonated sulfur dimers; M |
By formula: C2H6S+ + C2H6S = (C2H6S+ • C2H6S)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.8 | kcal/mol | DT | Deng, Illies, et al., 1995 | gas phase; ΔrH(0K) = 27.6 kcal/mol; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.5 | cal/mol*K | DT | Deng, Illies, et al., 1995 | gas phase; ΔrH(0K) = 27.6 kcal/mol; M |
By formula: C4H9+ + C2H6S = (C4H9+ • C2H6S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 44.2 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Sieck, 1991 | gas phase; condensation; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 42.6 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Sieck, 1991 | gas phase; condensation; M |
By formula: 2C2H6S + O2 = 2C2H6OS
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -66.36 ± 0.20 | kcal/mol | Cm | Douglas, 1946 | liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -66.5 ± 0.2 kcal/mol; At 291°K; ALS |
By formula: Li+ + C2H6S = (Li+ • C2H6S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.8 | kcal/mol | ICR | Staley and Beauchamp, 1975 | gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M |
By formula: Na+ + C2H6S = (Na+ • C2H6S)
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
14.2 | 298. | IMRE | McMahon and Ohanessian, 2000 | Anchor alanine=39.89; RCD |
By formula: HI + C2H5IS = C2H6S + I2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -6.6 ± 1.1 | kcal/mol | Kin | Shum and Benson, 1985 | 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 |
---|---|---|---|---|
0.48 | 3100. | M | N/A | |
0.080 | E | N/A | Calculated molecular structure relationship. | |
0.48 | 3500. | X | N/A | Value given here as quoted by missing citation. |
0.56 | 3500. | M | N/A | |
0.62 | X | N/A | Value given here as quoted by missing citation. | |
0.44 | C | N/A | missing citation refer to an unpublished manuscript; no details are available. Solubility in sea water. | |
0.56 | 3700. | M | N/A | |
0.61 | M | N/A | Value at T = 293. K. | |
0.70 | R | N/A | Value at T = 293. K. | |
0.16 | M | N/A | ||
0.55 | V | N/A |
IR 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.
Data compiled by: Coblentz Society, Inc.
Condensed Phase Spectrum
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Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from measurements on FTIR instruments or in other chemical environments. More information on the manner in which spectra in this collection were collected can be found here.
Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | COBLENTZ SOC. Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | WYANDOTTE CHEMICALS CORP. |
Source reference | COBLENTZ NO. 05969 |
Date | Not specified, most likely prior to 1970 |
Name(s) | dimethyl sulfide (methylsulfanyl)methane |
State | LIQUID |
Instrument | BAIRD (GRATING) |
Instrument parameters | NaCl PRISM |
Path length | 0.005 CM |
Resolution | 2 |
Sampling procedure | TRANSMISSION |
Data processing | DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY |
Boiling point | 37-38 C |
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. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-1477 |
NIST MS number | 233890 |
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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Source | Fehnel and Carmack, 1949 |
---|---|
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. 10217 |
Instrument | Beckman DU |
Melting point | 79 |
Boiling point | 203 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, IR Spectrum, 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.
Voronkov, Klyuchnikov, et al., 1989
Voronkov, M.G.; Klyuchnikov, V.A.; Kolabin, S.N.; Shvets, G.N.; Varusin, P.I.; Deryagina, E.N.; Korchevin, N.A.; Tsvetnitskaya, S.I.,
Thermochemical properties of diorganyl chalcogenides and dichalcogenides RMnR(M = S, Se, Te; n = 1, 2).,
Dokl. Phys. Chem. (Engl. Transl.), 1989, 307, 650-653, In original 1139. [all data]
McCullough, Hubbard, et al., 1957
McCullough, J.P.; Hubbard, W.N.; Frow, F.R.; Hossenlopp, I.A.; Waddington, G.,
Ethanethiol and 2-thiapropane: Heats of formation and isomerization; the chemical thermodynamic properties from 0 to 1000°K,
J. Am. Chem. Soc., 1957, 79, 561-566. [all data]
Douglas, 1946
Douglas, T.B.,
Heats of formation of liquid methyl sulfoxide and crystalline methyl sulfone at 18°,
J. Am. Chem. Soc., 1946, 68, 1072-1076. [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]
Haines, Helm, et al., 1956
Haines, W.E.; Helm, R.V.; Cook, G.L.; Ball, J.S.,
Purification and Properties of Organic Sulfur Compounds,
J. Phys. Chem., 1956, 60, 549-55. [all data]
Mcallan, Cullum, et al., 1951
Mcallan, D.T.; Cullum, T.V.; Dean, R.A.; Fidler, F.A.,
The Preparation and Properties of Sulfur Compounds Related to Petroleum I. The Dialkyl Sulfides and Disulfides,
J. Am. Chem. Soc., 1951, 73, 3627-32. [all data]
Osborne, Doescher, et al., 1942
Osborne, D.W.; Doescher, R.N.; Yost, D.M.,
The heat capacity, heats of fusion and vaporization, vapor pressure and entropy of dimethyl sulfide.,
J. Am. Chem. Soc., 1942, 64, 169-72. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [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]
Herz and Neukirch, 1923
Herz, W.; Neukirch, E.,
On Knowldge of the Critical State,
Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1923, 104, 433-50. [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]
White, Barnard--Smith, et al., 1952
White, P.T.; Barnard--Smith, D.G.; Fidler, F.A.,
Vapor Pressure--Temperature Relationships of Sulfur Compounds Related to Petroleum,
Ind. Eng. Chem., 1952, 44, 6, 1430-1438, https://doi.org/10.1021/ie50510a064
. [all data]
Osborne, Doescher, et al., 1942, 2
Osborne, D.W.; Doescher, R.N.; Yost, D.M.,
The heat capacity, heats of fusion and vaporization, vapor pressure and entropy of dimethyl sulfide,
J. Am. Chem. Soc., 1942, 64, 169-172. [all data]
Thompson and Linnett, 1935
Thompson, H.W.; Linnett, J.W.,
The vapour pressures of some alkyl sulphides,
Trans. Faraday Soc., 1935, 31, 1743, https://doi.org/10.1039/tf9353101743
. [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]
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]
Ingemann and Nibbering, 1985
Ingemann, S.; Nibbering, N.M.M.,
Gas phase chemistry of alpha-thio carbanions,
Can. J. Chem., 1985, 62, 2273. [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]
Deng, Illies, et al., 1995
Deng, Y.; Illies, A.J.; James, M.A.; McKee, M.L.; Peschke, M.,
A Definitive Investigation of the Gas-Phase Two-Center Three-electron Bond in [H2S:SH2+], [Me2S:SMe2]+, and [Et2S:SEt2]+: Therory and Experiment,
J. Am. Chem. Soc., 1995, 117, 1, 420, https://doi.org/10.1021/ja00106a048
. [all data]
Meot-Ner (Mautner) and Sieck, 1991
Meot-Ner (Mautner), M.; Sieck, L.W.,
Proton affinity ladders from variable-temperature equilibrium measurements. 1. A reevaluation of the upper proton affinity range,
J. Am. Chem. Soc., 1991, 113, 12, 4448, https://doi.org/10.1021/ja00012a012
. [all data]
Staley and Beauchamp, 1975
Staley, R.H.; Beauchamp, J.L.,
Intrinsic Acid - Base Properties of Molecules. Binding Energies of Li+ to pi - and n - Donor Bases,
J. Am. Chem. Soc., 1975, 97, 20, 5920, https://doi.org/10.1021/ja00853a050
. [all data]
Dzidic and Kebarle, 1970
Dzidic, I.; Kebarle, P.,
Hydration of the Alkali Ions in the Gas Phase. Enthalpies and Entropies of Reactions M+(H2O)n-1 + H2O = M+(H2O)n,
J. Phys. Chem., 1970, 74, 7, 1466, https://doi.org/10.1021/j100702a013
. [all data]
McMahon and Ohanessian, 2000
McMahon, T.B.; Ohanessian, G.,
An Experimental and Ab Initio Study of the Nature of the Binding in Gas-Phase Complexes of Sodium Ions,
Chem. Eur. J., 2000, 6, 16, 2931, https://doi.org/10.1002/1521-3765(20000818)6:16<2931::AID-CHEM2931>3.0.CO;2-7
. [all data]
Shum and Benson, 1985
Shum, L.G.S.; Benson, S.W.,
Iodine catalyzed pyrolysis of dimethyl sulfide. Heats of formaton of CH3SCH2I, the CH3SCH2 radical, and the pibond energy in CH2S,
Int. J. Chem. Kinet., 1985, 17, 277-292. [all data]
Fehnel and Carmack, 1949
Fehnel, E.A.; Carmack, M.,
J. Am. Chem. Soc., 1949, 71, 84. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
Pc Critical pressure 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 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 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
- 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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