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Bis(«pi»-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
Deltafgas203.3 ± 9.8kJ/molReviewMartinho Simões 
Deltafgas181.6 ± 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
Deltafsolid144.7 ± 8.9kJ/molReviewMartinho SimõesMS
Deltafsolid123. ± 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
Deltacsolid-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
Deltasub58.6 ± 4.2kJ/molN/APilcher and Skinner, 1983See also Tel'noi, Rabinovich, et al., 1971.; AC
Deltasub58.6 ± 4.2kJ/molCC-SBTel' noi, Rabinovich, et al., 1971MS

Enthalpy of sublimation

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

Enthalpy of phase transition

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

Entropy of phase transition

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

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Chemical Concepts
NIST MS number 163327

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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.

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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