Carbon disulfide

• Formula: CS₂
• Molecular weight: 76.141
• IUPAC Standard InChI: InChI=1S/CS2/c2-1-3 Copy

  
• IUPAC Standard InChIKey: QGJOPFRUJISHPQ-UHFFFAOYSA-N Copy
• CAS Registry Number: 75-15-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  View 3d structure (requires JavaScript / HTML 5)
• Other names: Carbon bisulfide; Carbon sulfide (CS2); Dithiocarbonic anhydride; CS2; Carbon sulfide; Carbon-disulphide-; Carbon bisulphide; Carbon sulphide; Kohlendisulfid; Koolstofdisulfide; NCI-C04591; Rcra waste number P022; Schwefelkohlenstoff; Solfuro di carbonio; Sulphocarbonic anhydride; UN 1131; Weeviltox; Wegla dwusiarczek; Alcohol of sulfur; Carbon bisulfuret; Methyl disulfide; Sulfocarbonic anhydride
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • Gas phase ion energetics data
  • Ion clustering data
  • Gas Chromatography
• Data at other public NIST sites:
  • Electron-Impact Ionization Cross Sections (on physics web site)
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Reaction thermochemistry 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

 +  = ( • )

By formula: Cl^- + CS₂ = (Cl^- • CS₂)

CS₂^- +  = (CS₂^- • )

By formula: CS₂^- + CS₂ = (CS₂^- • CS₂)

(CS₂^- • ) +  = (CS₂^- • 2)

By formula: (CS₂^- • CS₂) + CS₂ = (CS₂^- • 2CS₂)

S₂⁺ +  = (S₂⁺ • )

By formula: S₂⁺ + CS₂ = (S₂⁺ • CS₂)

( • 2) +  = ( • 3)

By formula: (F^- • 2CS₂) + CS₂ = (F^- • 3CS₂)

 +  = ( • )

By formula: F^- + CS₂ = (F^- • CS₂)

CS₂⁺ +  = (CS₂⁺ • )

By formula: CS₂⁺ + CS₂ = (CS₂⁺ • CS₂)

(CS₂⁺ • 2) +  = (CS₂⁺ • 3)

By formula: (CS₂⁺ • 2CS₂) + CS₂ = (CS₂⁺ • 3CS₂)

( • 3) +  = ( • 4)

By formula: (Cl^- • 3CS₂) + CS₂ = (Cl^- • 4CS₂)

CHS₂⁺ +  = (CHS₂⁺ • )

By formula: CHS₂⁺ + CS₂ = (CHS₂⁺ • CS₂)

( • 2) +  = ( • 3)

By formula: (Cl^- • 2CS₂) + CS₂ = (Cl^- • 3CS₂)

( • ) +  = ( • 2)

By formula: (Cl^- • CS₂) + CS₂ = (Cl^- • 2CS₂)

( • ) +  = ( • 2)

By formula: (F^- • CS₂) + CS₂ = (F^- • 2CS₂)

( • ) +  = ( • 2)

By formula: (I^- • CS₂) + CS₂ = (I^- • 2CS₂)

( • ) +  = ( • 2)

By formula: (Br^- • CS₂) + CS₂ = (Br^- • 2CS₂)

 +  = ( • )

By formula: I^- + CS₂ = (I^- • CS₂)

 +  = ( • )

By formula: Br^- + CS₂ = (Br^- • CS₂)

(S₂⁺ • 2) +  = (S₂⁺ • 3)

By formula: (S₂⁺ • 2CS₂) + CS₂ = (S₂⁺ • 3CS₂)

(S₂^- • ) +  = (S₂^- • 2)

By formula: (S₂^- • CS₂) + CS₂ = (S₂^- • 2CS₂)

(CS₂⁺ • ) +  = (CS₂⁺ • 2)

By formula: (CS₂⁺ • CS₂) + CS₂ = (CS₂⁺ • 2CS₂)

 +  = ( • )

By formula: CH₃⁺ + CS₂ = (CH₃⁺ • CS₂)

(CS₂^- • 3) +  = (CS₂^- • 4)

By formula: (CS₂^- • 3CS₂) + CS₂ = (CS₂^- • 4CS₂)

(CS₂^- • 4) +  = (CS₂^- • 5)

By formula: (CS₂^- • 4CS₂) + CS₂ = (CS₂^- • 5CS₂)

(CS₂^- • 2) +  = (CS₂^- • 3)

By formula: (CS₂^- • 2CS₂) + CS₂ = (CS₂^- • 3CS₂)

(S₂⁺ • ) +  = (S₂⁺ • 2)

By formula: (S₂⁺ • CS₂) + CS₂ = (S₂⁺ • 2CS₂)

(CHS₂⁺ • ) +  = (CHS₂⁺ • 2)

By formula: (CHS₂⁺ • CS₂) + CS₂ = (CHS₂⁺ • 2CS₂)

S₂^- +  = (S₂^- • )

By formula: S₂^- + CS₂ = (S₂^- • CS₂)

C₆H₆⁺ +  = (C₆H₆⁺ • )

By formula: C₆H₆⁺ + CS₂ = (C₆H₆⁺ • CS₂)

(CS₂⁺ • 3) +  = (CS₂⁺ • 4)

By formula: (CS₂⁺ • 3CS₂) + CS₂ = (CS₂⁺ • 4CS₂)

( • ) +  = ( • 2)

By formula: (Fe⁺ • CS₂) + CS₂ = (Fe⁺ • 2CS₂)

CS⁺ +  = (CS⁺ • )

By formula: CS⁺ + CS₂ = (CS⁺ • CS₂)

 +  = ( • )

By formula: S⁺ + CS₂ = (S⁺ • CS₂)

=  + 

By formula: CH₂S₃ = CS₂ + H₂S

 +  = ( • )

By formula: Fe⁺ + CS₂ = (Fe⁺ • CS₂)

 +  = ( • )

By formula: V⁺ + CS₂ = (V⁺ • CS₂)

 +  = ( • )

By formula: Mo⁺ + CS₂ = (Mo⁺ • CS₂)

IR Spectrum

Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes

Data compiled by: Coblentz Society, Inc.

• GAS (100 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution
• LIQUID (NEAT); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS)
  4, 4 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas

Mass spectrum (electron ionization)

Go To: Top, Reaction thermochemistry data, IR Spectrum, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

For Zoom

1.) Enter the desired X axis range (e.g., 100, 200)

2.) Check here for automatic Y scaling

3.) Press here to zoom

Additional Data

References

Go To: Top, Reaction thermochemistry 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.

Hiraoka, Fujimaki, et al., 1993
Hiraoka, K.; Fujimaki, S.; Aruga, K.; Yamabe, S., Bond Strengths of the Gas-Phase Cluster Ions X-(CS2)n (X = F, Cl, Br and I), Chem. Phys. Lett., 1993, 208, 5-6, 491, https://doi.org/10.1016/0009-2614(93)87178-6 . [all data]

Larson and McMahon, 1985
Larson, J.W.; McMahon, T.B., Fluoride and chloride affinities of the main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ICR halide exchange equilibria, J. Am. Chem. Soc., 1985, 107, 766. [all data]

Hiraoka, Fujimaki, et al., 1994
Hiraoka, K.; Fujimaki, S.; Aruga, K., Frontier-controlled Structures of the Gas Phas Clusters A+/-(CS2)n, A+/- = S2+, CS2+, S2-, and CS2-, J. Phys. Chem. (1994), 1994, 98, 7, 1802-1809, https://doi.org/10.1021/j100058a014 . [all data]

Tsukuda, Hirose, et al., 1997
Tsukuda, T.; Hirose, T.; Nagata, T., Negative-ion photoelectron spectroscopy of (CS2)(n)(-): coexistence of electronic isomers, Chem. Phys. Lett., 1997, 279, 3-4, 179-184, https://doi.org/10.1016/S0009-2614(97)01021-X . [all data]

Bowen and Eaton, 1988
Bowen, K.H.; Eaton, J.G., Photodetachment Spectroscopy of Negative Cluster Ions, in The Structure of Small Molecules and Ions, Ed. R. Naaman, Z. Vager, Plenum NY, 1988, 1988, p.147-169. [all data]

Hiraoka, Fujimaki, et al., 1994, 2
Hiraoka, K.; Fujimaki, S.; Aruga, K.; Yamabe, S., Frontier-Controlled Structures of the Gas-Phase A+-(CS2)n Clusters ,A+- = S2+, CS2+, S2-, and CS2-, J. Phys. Chem., 1994, 98, 7, 1802, https://doi.org/10.1021/j100058a014 . [all data]

Ono, Linn, et al., 1981
Ono, Y.; Linn, S.H.; Prest, H.F.; Gress, M.E.; Ng, C.Y., A Study of the High Rydberg State and Ion - Molecule Reactions of Carbon Disulfide Using the Molecular Beam Photoionization Method, J. Chem. Phys., 1981, 74, 2, 1125, https://doi.org/10.1063/1.441219 . [all data]

Meot-Ner (Mautner) and Field, 1977
Meot-Ner (Mautner), M.; Field, F.H., Proton Affinity and Ion - Molecule Clustering in CO2 and CS2. Applications in Martian Ionospheric Chemistry, J. Chem. Phys., 1977, 66, 10, 4527, https://doi.org/10.1063/1.433706 . [all data]

Ono, Linn, et al., 1980
Ono, Y.; Linn, S.H.; Prest, H.F.; Gress, M.E.; Ng, C.Y., Molecular beam photoionization study of carbon disulfide, carbon disulfide dimer and clusters, J. Chem. Phys., 1980, 73, 2523. [all data]

Hiraoka, Fujimaki, et al., 1993, 2
Hiraoka, K.; Fujimaki, S.; Aruga, K., Proton-Held Dimer and Trimer of Carbon Disulfide, Chem. Phys. Lett., 1993, 202, 1-2, 167, https://doi.org/10.1016/0009-2614(93)85367-W . [all data]

McMahon, Heinis, et al., 1988
McMahon, T.; Heinis, T.; Nicol, G.; Hovey, J.K.; Kebarle, P., Methyl Cation Affinities, J. Am. Chem. Soc., 1988, 110, 23, 7591, https://doi.org/10.1021/ja00231a002 . [all data]

Foster, Williamson, et al., 1974
Foster, M.S.; Williamson, A.D.; Beauchamp, J.L., Photoionization mass spectrometry of trans-azomethane, Int. J. Mass Spectrom. Ion Phys., 1974, 15, 429. [all data]

Meot-Ner (Mautner), Hamlet, et al., 1978
Meot-Ner (Mautner), M.; Hamlet, P.; Hunter, E.P.; Field, F.H., Bonding Energies in Association Ions of Aromatic Molecules. Correlations with Ionization Energies, J. Am. Chem. Soc., 1978, 100, 17, 5466, https://doi.org/10.1021/ja00485a034 . [all data]

Rodgers and Armentrout, 2000
Rodgers, M.T.; Armentrout, P.B., Noncovalent Metal-Ligand Bond Energies as Studied by Threshold Collision-Induced Dissociation, Mass Spectrom. Rev., 2000, 19, 4, 215, https://doi.org/10.1002/1098-2787(200007)19:4<215::AID-MAS2>3.0.CO;2-X . [all data]

Gress, Linn, et al., 1980
Gress, M.E.; Linn, S.H.; Ono, Y.; Prest, H.F.; Ng, C.Y., A Study of the Chemiionization Process CS2*(n) + CS2 ---> CS3+ + CS + e- Using the Molecular Beam Photoionization Method, J. Chem. Phys., 1980, 72, 7, 4242, https://doi.org/10.1063/1.439656 . [all data]

Gattow and Krebes, 1963
Gattow, V.G.; Krebes, B., Das kohlenstoffsulfid-di-(hydrogensulfid) SC(SH)₂ und das system H₂S-CS₂. 2. Thermochemie des SC(SH)₂, Z. Anorg. Allg. Chem., 1963, 322, 113. [all data]

Schroeder, Kretzschmar, et al., 2003
Schroeder, D.; Kretzschmar, I.; Schwarz; Armentrout, P.B., Structure, Thermochemistry, and Reactivityof MSn+ Cations (M=V,Mo; n=1-3) in the Gas Phase, Int. J. Mass Spectrom., 2003, 228, 2-3, 439, https://doi.org/10.1016/S1387-3806(03)00137-4 . [all data]

Notes

Go To: Top, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• 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.
• Customer support for NIST Standard Reference Data products.

© 2026 by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved.

Copyright for NIST Standard Reference Data is governed by the Standard Reference Data Act.