Carbon diselenide

• Formula: CSe₂
• Molecular weight: 169.93
• IUPAC Standard InChI: InChI=1S/CSe2/c2-1-3 Copy

  
• IUPAC Standard InChIKey: JNZSJDBNBJWXMZ-UHFFFAOYSA-N Copy
• CAS Registry Number: 506-80-9
• 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: CSe2; Carbon selenide; Carbon selenide (CSe2)
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Phase change data
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• 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.

Condensed phase thermochemistry data

Go To: Top, Gas phase ion energetics data, 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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Gas phase ion energetics data

Go To: Top, Condensed phase thermochemistry data, 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

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

Appearance energy determinations

References

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, Notes

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

Gattow and Drger, 1966
Gattow, G.; Drger, M., Das Kohlenstoffidselenid 2. Thermochimie des CSe₂, Z. anorg. allgem. Chem., 1966, 343, 232-243. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Drowart, Smets, et al., 1978
Drowart, J.; Smets, J.; Reynaert, J.C.; Coppens, P., Mass spectrometric study of the photoionization of inorganic gases vapours, Adv. Mass Spectrom., 1978, 7, 647. [all data]

Smoes and Drowart, 1977
Smoes, S.; Drowart, J., Determination of the atomization energies of the molecules CSe(g) and CSe₂(g) by the mass spectrometric Knudsen cell method, J. Chem. Soc. Faraday Trans. 2, 1977, 73, 1746. [all data]

Radler and Berkowitz, 1977
Radler, K.; Berkowitz, J., Photoionization mass spectrometric study of CSe₂, J. Chem. Phys., 1977, 66, 2176. [all data]

Greening and King, 1976
Greening, F.R.; King, G.W., Rydberg states of carbon diselenide, J. Mol. Spectrosc., 1976, 61, 459. [all data]

Cradock and Duncan, 1974
Cradock, S.; Duncan, W., The photoelectron spectrum of CSe₂, Mol. Phys., 1974, 27, 837. [all data]

Frost, Lee, et al., 1973
Frost, D.C.; Lee, S.T.; McDowell, C.A., Photoelectron spectra of OCSe, SCSe, and CSe₂, J. Chem. Phys., 1973, 59, 5484. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  AE	Appearance energy
  Cp,liquid	Constant pressure heat capacity of liquid
  S°liquid	Entropy of liquid 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.