Chromium, bis(η6-benzene)-

• Formula: C₁₂H₁₂Cr
• Molecular weight: 208.2198
• IUPAC Standard InChI: InChI=1S/2C6H6.Cr/c2*1-2-4-6-5-3-1;/h2*1-6H; Copy

  
• IUPAC Standard InChIKey: HVURSIGIEONDKB-UHFFFAOYSA-N Copy
• CAS Registry Number: 1271-54-1
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Chromium, bis(benzene)-; Bis(benzene)chromium; Dibenzenechromium; bis(η⁶-Benzene) chromium; Bis(benzene)chromium(0)
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Gas phase ion energetics data
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
• Options:
  • Switch to SI units

Phase change data

Go To: Top, 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:
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of sublimation

Temperature of phase transition

Mass spectrum (electron ionization)

Go To: Top, Phase change 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: 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, Phase change data, 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.

Pilcher and Skinner, 1983
Pilcher, G.; Skinner, H.A., Thermochemistry of organometallic compounds, 1983, 43-90, https://doi.org/10.1002/9780470771686.ch2 . [all data]

Connor, Skinner, et al., 1973
Connor, J.A.; Skinner, H.A.; Virmani, Y., Microcalorimetric studies. Thermal decomposition and iodination of bis(benzene)chromium, bis(benzene)-chromium iodide, and some (arene)chromium tricarbonyls, J. Chem. Soc., Faraday Trans. 1, 1973, 69, 0, 1218, https://doi.org/10.1039/f19736901218 . [all data]

Fischer and Schreiner, 1958
Fischer, Ernst Otto; Schreiner, Siegfried, Über Aromatenkomplexe von Metallen, XX. Verbrennungswärme und Bildungswärme von Di-benzol-chrom, Chem. Ber., 1958, 91, 10, 2213-2215, https://doi.org/10.1002/cber.19580911029 . [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]

Andrews, Westrum, et al., 1969
Andrews, J.T.S.; Westrum, E.F., Jr.; Bjerrum, N., Heat capacity and vapor pressure of crystalline bis(benzene)chromium. Third-law entropy comparison and thermodynamic evidence concerning the structure of bis(benzene)chromium, J. Organometal. Chem., 1969, 17, 293-302. [all data]

Notes

Go To: Top, Phase change data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  Ttrs	Temperature of phase transition
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation 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.