Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Chromium,pentacarbonyl(1H-pyrazole-N2)-(oc-6-22)-


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, 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: José A. Martinho Simões

Quantity Value Units Method Reference Comment
Deltafgas-614.1 ± 6.8kJ/molReviewMartinho SimõesThe enthalpy of formation relies on -908.4 ± 2.6 kJ/mol for the enthalpy of formation of Cr(CO)6(g)

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, 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: José A. Martinho Simões

Quantity Value Units Method Reference Comment
Deltafsolid-702.5 ± 6.6kJ/molReviewMartinho SimõesThe enthalpy of formation relies on -908.4 ± 2.6 kJ/mol for the enthalpy of formation of Cr(CO)6(g)

Phase change data

Go To: Top, Gas phase thermochemistry data, 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 compiled as indicated in comments:
MS - José A. Martinho Simões
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Deltasub88.4 ± 1.8kJ/molDSCDaamen, Ernsting, et al., 1979MS

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
88.4 ± 1.8287.MEDaamen, Ernsting, et al., 1979, 2Based on data from 270. - 303. K.; AC

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes

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

Martinho Simões
Martinho Simões, J.A., Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]

Daamen, Ernsting, et al., 1979
Daamen, H.; Ernsting, J.M.; Oskam, A., Thermochim. Acta, 1979, 33, 217. [all data]

Daamen, Ernsting, et al., 1979, 2
Daamen, H.; Ernsting, J.M.; Oskam, A., Vapour pressure measurements on M(CO)5L (M = Cr, Mo, W; L = piperidine, pyridine, pyrazine, pyrazole, thiazole), Thermochimica Acta, 1979, 33, 217-223, https://doi.org/10.1016/0040-6031(79)87044-6 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References