Bis(π-cyclopentadienyl)vanadium

• Formula: C₁₀H₁₀V
• Molecular weight: 181.1279
• IUPAC Standard InChI: InChI=1S/2C5H5.V/c2*1-2-4-5-3-1;/h2*1-5H; Copy

  
• IUPAC Standard InChIKey: GLOUOHCQKJMDFZ-UHFFFAOYSA-N Copy
• CAS Registry Number: 1277-47-0
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Vanadium, bis(η⁵-Cyclopentadienyl); Vanadocene
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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Phase change data

Go To: Top, Gas phase ion energetics 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:
AC - William E. Acree, Jr., James S. Chickos
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of sublimation

Enthalpy of phase transition

Entropy of phase transition

Gas phase ion energetics data

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 as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

References

Go To: Top, Phase change data, Gas phase ion energetics data, 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]

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]

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]

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]

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]

Ryan, Eyler, et al., 1992
Ryan, M.F.; Eyler, J.R.; Richardson, D.E., Adiabatic ionization energies, bond disruption enthalpies, and solvation free energies for gas-phase metallocenes and metallocenium ions, J. Am. Chem. Soc., 1992, 114, 8611. [all data]

Muller and D'Or, 1967
Muller, J.; D'Or, L., Massenspektrometrische Untersuchungen an Dicyclopentadienylkomplexen von Ubergangsmetallen, J.Organometal. Chem., 1967, 10, 313. [all data]

Cauletti, Green, et al., 1980
Cauletti, C.; Green, J.C.; Kelly, M.R.; Powell, P.; Van Tilborg, J., Photoelectron spectra of metallocenes, J. Electron Spectrosc. Relat. Phenom., 1980, 19, 327. [all data]

Evans, Green, et al., 1974
Evans, S.; Green, M.L.H.; Jewitt, B.; King, G.H.; Orchard, A.F., Electronic structures of metal complexes containing the π-cyclopentadienyl and related ligands Part 2. He I photoelectron spectra of the open-shell metallocenes, J. Chem. Soc. Faraday Trans. 2, 1974, 70, 356. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  AE	Appearance energy
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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