Bis(π-cyclopentadienyl)vanadium

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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
Δfgas203.3 ± 9.8kJ/molReviewMartinho Simões 
Δfgas181.6 ± 5.8kJ/molReviewMartinho Simões 

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 as indicated in comments:
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfsolid144.7 ± 8.9kJ/molReviewMartinho SimõesMS
Δfsolid123. ± 4.kJ/molCC-SBChipperfield, Sneyd, et al., 1979Value corrected based on a set of ancillary data by J.A. Martinho Simões; The enthalpy of combustion is not reported in Chipperfield, Sneyd, et al., 1979; MS
Quantity Value Units Method Reference Comment
Δcsolid-6284.4 ± 8.4kJ/molCC-SBTel' noi, Rabinovich, et al., 1971Please also see Pedley and Rylance, 1977 and Tel'noi and Rabinovich, 1977.; MS
Quantity Value Units Method Reference Comment
solid,1 bar240.2J/mol*KN/ARabinovich, Nistratov, et al., 1978DH
solid,1 bar240.2J/mol*KN/ARabinovich, Nistratov, et al., 1975DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
203.3298.Calvarin, Berar, et al., 1980T = 100 to 300 K. Cp between 235 to 300 K given by equation.; DH
204.6298.15Rabinovich, Nistratov, et al., 1978T = 5 to 300 K.; DH
204.3298.15Rabinovich, Nistratov, et al., 1975T = 5 to 298.15 K.; DH

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:
AC - William E. Acree, Jr., James S. Chickos
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δsub58.6 ± 4.2kJ/molN/APilcher and Skinner, 1983See also Tel'noi, Rabinovich, et al., 1971.; AC
Δsub58.6 ± 4.2kJ/molCC-SBTel' noi, Rabinovich, et al., 1971MS

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
57.4330.5AStephenson and Malanowski, 1987Based on data from 323. to 338. K.; AC

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.196150. to 200.crystaline, IIcrystaline, IRabinovich, Nistratov, et al., 1978Lambda transition between 120 to 200 K.; DH
0.196130. to 200.crystaline, IIcrystaline, IRabinovich, Nistratov, et al., 1975Lambda transition.; DH
0.820120. to 235.crystaline, IIcrystaline, ICalvarin, Berar, et al., 1980Lambda transition between 120 to 235 K.; DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
1.21150. to 200.crystaline, IIcrystaline, IRabinovich, Nistratov, et al., 1978Lambda; DH
1.21130. to 200.crystaline, IIcrystaline, IRabinovich, Nistratov, et al., 1975Lambda; DH
4.64120. to 235.crystaline, IIcrystaline, ICalvarin, Berar, et al., 1980Lambda; DH

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]

Chipperfield, Sneyd, et al., 1979
Chipperfield, J.R.; Sneyd, J.C.R.; Webster, D.E., J. Organometal. Chem., 1979, 178, 177. [all data]

Tel' noi, Rabinovich, et al., 1971
Tel' noi, V.I.; Rabinovich, I.B.; Latyaeva, V.N.; Lineva, A.N., Dokl. Akad. Nauk SSSR, 1971, 197, 353. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]

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

Rabinovich, Nistratov, et al., 1978
Rabinovich, I.B.; Nistratov, V.P.; Sheiman, M.S.; Burchalova, G.V., Heat capacities of dicyclopentadienyl compounds of vanadium, chromium, manganese, cobalt, and nickel, J. Chem. Thermodynam., 1978, 10, 523-536. [all data]

Rabinovich, Nistratov, et al., 1975
Rabinovich, I.B.; Nistratov, V.P.; Sheiman, M.S.; Burchalova, G.V., Heat capacity and transitions in solid state. Dicyclopentadienyl compounds of transition elements,Quatrieme Conference International de Thermodynamique Chimique II, Thermophysiques (capacites thermiques) pp., 1975, 69-76, 136. [all data]

Calvarin, Berar, et al., 1980
Calvarin, G.; Berar, J.F.; Chhor, K.; Pommier, C., Etude de la transition de phase ordre-desordre du vanadocene V(C5H5)2, Mol. Cryst. Liq. Cryst., 1980, 59, 149-158. [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]

Tel'noi, Rabinovich, et al., 1971
Tel'noi, V.I.; Rabinovich, I.B.; Latyaeva, V.N.; Lineva, A.N., Dokl. Akad. Nauk SSSR, 1971, 197, 6, 1348. [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]


Notes

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