Bis(η5-cyclopentadienyl)tungsten dihydride


Gas phase thermochemistry data

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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
Δfgas334.5 ± 3.3kJ/molReviewMartinho Simões 
Δfgas310.3 ± 8.7kJ/molReviewMartinho SimõesThe enthalpy of formation relies on -63.1 ± 7.2 kJ/mol for the enthalpy of formation of W(Cp)2(Cl)2(cr)

Condensed phase thermochemistry data

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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
Δfsolid250.4 ± 2.9kJ/molReviewMartinho Simões 
Δfsolid226.2 ± 8.6kJ/molReviewMartinho SimõesThe enthalpy of formation relies on -63.1 ± 7.2 kJ/mol for the enthalpy of formation of W(Cp)2(Cl)2(cr)
Quantity Value Units Method Reference Comment
Δcsolid-6743.4 ± 2.5kJ/molCC-SBTel'noi, Rabinovich, et al., 1976Please also see Tel'noi and Rabinovich, 1977.

Phase change data

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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
Δsub84.1 ± 1.6kJ/molCC-SBDias, Diogo, et al., 1990Another value for the enthalpy of sublimation has been reported: 96.2 ± 2.1 kJ/mol Tel'noi, Rabinovich, et al., 1976; MS
Δsub96.2 ± 2.1kJ/molN/APilcher and Skinner, 1983See also Calado, Dias, et al., 1979 and Tel'noi, Rabinovich, et al., 1976.; AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
84.6 ± 1.6313. to 323.MEDias, Diogo, et al., 1990, 2AC

References

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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]

Tel'noi, Rabinovich, et al., 1976
Tel'noi, V.I.; Rabinovich, I.B.; Kir'yanov, K.V.; Smirnov, A.S., Dokl. Akad. Nauk SSSR, 1976, 231, 733. [all data]

Tel'noi and Rabinovich, 1977
Tel'noi, V.I.; Rabinovich, I.B., Russ. Chem. Rev., 1977, 46, 689. [all data]

Dias, Diogo, et al., 1990
Dias, A.R.; Diogo, H.P.; Minas da Piedade, M.E.; Martinho Simões, J.A.; Carson, A.S.; Jamea, E.H., J. Organometal. Chem., 1990, 391, 361. [all data]

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]

Calado, Dias, et al., 1979
Calado, J.C.G.; Dias, A.R.; Simo~es, J.A. Martinho; da Silva, M.A.V. Ribeiro, Bond-enthalpy contributions in M(η-C5H5)2L2 complexes (M = Mo, W;L = H, CH3, Cl), Journal of Organometallic Chemistry, 1979, 174, 1, 77-80, https://doi.org/10.1016/S0022-328X(00)96164-3 . [all data]

Dias, Diogo, et al., 1990, 2
Dias, A.R.; Diogo, H.P.; Minas da Piedade, M.E.; Simoes, J.A.M.; Carson, A.S.; Jamea, E.H., Standard enthalpies of formation of gaseous dicyclopentadienylmolybdenum and -tungsten dihydrides, J. Organomet. Chem., 1990, 391, 361-366. [all data]


Notes

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