Polarized Mössbauer absorption studies on single crystals of bis(η-cyclo-pentadienyl)iron
- 1 January 1976
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 13,p. 1237-1242
- https://doi.org/10.1039/dt9760001237
Abstract
The orientation of the electric-field gradient (e.f.g.) tensor at the iron nucleus in [Fe(η-C5H5)2](ferrocene) has been determined by polarized Mössbauer measurements. The tensor is axially symmetric with the principal axis along the molecular axis. The molecules gradually rotate by ca. 20° in the vicinity of the λ transition at 164 K. A possible packing arrangement in the low-temperature phase has been devised which accounts for many of the observed properties.Keywords
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