Conclusions
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1.
A possible reason for the triaxial anisotropy in the g-factors of triphenylmethane-, 1,1,1-triphenylethane-, and phenoxybenzenecyclopentadienyliron is the steric interaction between the uncoordinated phenyl radical and the FeC5H5 fragment.
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2.
A relation was established between the nature of the anisotropy in the g-factor of the arenecyclopentadienyliron and the structure of the aromatic ligand.
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3.
It was discovered that the packing in the tetrahydrofuran crystal has an effect on the EPR spectrum of naphthalenecyclopentadienyliron.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 2009–2015, September, 1988.
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Solodovnikov, S.P., Vol'kenau, N.A., Shilovtseva, L.S. et al. EPR spectra of triphenylmethane-, 1,1,1-triphenylethane-, and phenoxybenzenecyclopentadienyliron and analysis of the dependence of the anisotropy of the g-factor on the nature of the aromatic ligand of the arenecyclopentadienyliron. Russ Chem Bull 37, 1797–1803 (1988). https://doi.org/10.1007/BF00962491
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DOI: https://doi.org/10.1007/BF00962491