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- Title
Two types of protons in ferrocene.
- Authors
Nefedov, V. A.
- Abstract
Two absorption bands of ferrocene, the in-plane bending C-H vibrations (β) at 1002 cm and out-of-plane C-H vibration (γ) at 816 cm, are accompanied with high-frequency satellites β (1055) and γ (837 cm). In the spectrum of 1,1′-dideuteroferrocene, only the high-frequency bands suffer an isotopic shift, from 1055 to 859 cm, and from 837 to 668 cm. Only additional incorporation of deuterium into 1,1′-dideuteroferrocene results also in an isotopic shift of the basic bands: 1002 to 771 and 816 to 632 cm. Therefore, one of the five carbon atoms of cyclopentadienyl ring of ferrocene differs from the other in the static state. It is assumed that just this carbon atom is bonded with the iron atom by the σ-bond.
- Subjects
FERROCENE; PROTON spectra; ATOMIC spectra; DEUTERIUM; X-ray diffraction; CHEMICAL bonds; ACYLATION
- Publication
Russian Journal of General Chemistry, 2011, Vol 81, Issue 3, p517
- ISSN
1070-3632
- Publication type
Article
- DOI
10.1134/S1070363211030121