10393. Vanadocene

Nomenclature

CAS number: 1277-47-0
Bis(cyclopentadienyl)vanadium; dicyclopentadienylvanadium; Cp2V; η5-(C5H5)2V.
C10H10V; mol wt 181.13.
C 66.31%, H 5.56%, V 28.12%.

Description and references

Electronically and coordinatively unsaturated metallocene of the early transition metals. Prepn: E. O. Fischer, W. Hafner, Z. Naturforsch. 96, 503 (1954). Improved prepn: C. Floriani, V. Mange, Inorg. Synth. 28, 263 (1990) DOI. Crystal structure: R. D. Rogers et al., J. Cryst. Mol. Struct. 11, 183 (1981) DOI; M. Y. Antipin, R. Boese, Acta Crystallogr. B52, 314 (1996) DOI. Magnetism properties: E. Knig et al., J. Organomet. Chem. 187, 61 (1980) DOI. Thermal behavior: L. Poirier et al., J. Anal. Appl. Pyrolysis 36, 121 (1996) DOI. NMR studies: H. Eicher et al., J. Chem. Phys. 86, 1829 (1987) DOI. Review of chemistry: R. Choukroun, C. Lorber, Eur. J. Inorg. Chem. 2005, 4683-4692 DOI.

Chemical structure

Properties

Violet crystals, mp 167-168°. d 1.37. Flammable. Irritant. Reacts exothermically with oxygen and water. Sublimes at 120-140° under vacuum (≈101 torr).

Use

Organometallic reagent.