Carbonyl sulfide
- Formula: COS
- Molecular weight: 60.075
- IUPAC Standard InChIKey: JJWKPURADFRFRB-UHFFFAOYSA-N
- CAS Registry Number: 463-58-1
- 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: Carbon oxide sulfide; Carbon oxysulfide; COS; Oxycarbon sulfide; UN 2204; Carbon oxide sulphide; carbonyl sulphide
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Phase change data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 134.31 | K | N/A | Clusius and Weigand, 1940 | Uncertainty assigned by TRC = 0.2 K; see property X for dP/dT for c-l equil.; TRC |
Ttriple | 134.33 | K | N/A | Kemp and Giauque, 1937 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 378.8 | K | N/A | Robinson and Senturk, 1979 | Uncertainty assigned by TRC = 0.1 K; Vis in bomb with window, TE cal vs PRT,; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 62.66 | atm | N/A | Robinson and Senturk, 1979 | Uncertainty assigned by TRC = 0.05 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.1351 | l/mol | N/A | Robinson and Senturk, 1979 | Uncertainty assigned by TRC = 0.002 l/mol; Vis in bomb with window, PP with differential pressure trans; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
4.4230 | 222.91 | N/A | Kemp and Giauque, 1937, 2 | P = 101.325 kPa; DH |
4.88 | 176. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 161. to 284. K.; AC |
4.37 | 299. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 284. to 379. K.; AC |
4.66 | 209. | A | Stephenson and Malanowski, 1987 | Based on data from 140. to 224. K.; AC |
4.54 ± 0.02 | 214. | N/A | Frank and Clusius, 1939 | AC |
4.66 | 209. | N/A | Kemp and Giauque, 1937, 2 | Based on data from 162. to 224. K.; AC |
Entropy of vaporization
ΔvapS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
19.84 | 222.91 | Kemp and Giauque, 1937, 2 | 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 |
---|---|---|---|---|---|
161.8 to 223.84 | 4.0379 | 808.49 | -22.72 | Kemp and Giauque, 1937, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.130 | 134.33 | Kemp and Giauque, 1937, 2 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.413 | 134.33 | Kemp and Giauque, 1937, 2 | DH |
IR Spectrum
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
- GAS (100 mmHg DILUTED TO A TOTAL PRESSURE OF 600 mmHg WITH N2); DOW KBr FOREPRISM; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
- GAS (100 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm-1 resolution
Mass spectrum (electron ionization)
Go To: Top, Phase change data, IR Spectrum, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
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 | 166 |
References
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Clusius and Weigand, 1940
Clusius, K.; Weigand, K.,
Melting Curves of the Gases A, Kr, Xe, CH4, CH3D, CD4, C2H4, C2H6, COS, and PH3 to 200 Atmospheres Pressure. The Chane of Volume on Melting,
Z. Phys. Chem., Abt. B, 1940, 46, 1-37. [all data]
Kemp and Giauque, 1937
Kemp, J.D.; Giauque, W.F.,
Carbonyl Sulfide. The Heat Capacity, Vapor Pressure and Heats of Fusion ad Vaporization. The Third Law of Thermodynamics and Orientation Equilibrium in the Solid,
J. Am. Chem. Soc., 1937, 59, 79. [all data]
Robinson and Senturk, 1979
Robinson, D.B.; Senturk, N.H.,
The vapor pressure and critical properties of carbonyl sulfide,
J. Chem. Thermodyn., 1979, 11, 461. [all data]
Kemp and Giauque, 1937, 2
Kemp, J.D.; Giauque, W.F.,
Carbonyl sulfide. The heat capacity, vapor pressure, and heats of fusion and vaporization. The third law of thermodynamics and orientation equilibrium in the solid,
J. Am. Chem. Soc., 1937, 59, 79-84. [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]
Frank and Clusius, 1939
Frank, A.; Clusius, K.,
Z. Phys. Chem. Abt. B, 1939, 42, 395. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Pc Critical pressure Tc Critical temperature Ttriple Triple point temperature Vc Critical volume ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapS Entropy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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