Issue 3, 1980

An electron paramagnetic resonance study of tetracyclopentadienyltantalum(IV), [Ta(σ-C5H5)2(η-C5H5)2]

Abstract

X-Band e.s.r. spectra of magnetically dilute solutions of [Ta(σ-C5H5)2(η-C5H5)2] in CHCl3 have been recorded at 77 and at 298 K and are analysed in detail. The spin-Hamiltonian parameters are listed, and are equated to the atomic orbital coefficients in the molecular orbitals involved in bonding. The unpaired electron lies essentially in the 5dx2-y2 metal-ion orbital and it is extensively delocalised on to the cyclopentadienide rings. The σ and π electrons of the cyclopentadienide rings are almost completely delocalised.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1980, 426-428

An electron paramagnetic resonance study of tetracyclopentadienyltantalum(IV), [Ta(σ-C5H5)2(η-C5H5)2]

A. H. Al-Mowali, J. Chem. Soc., Dalton Trans., 1980, 426 DOI: 10.1039/DT9800000426

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