Matches in SemOpenAlex for { <https://semopenalex.org/work/W4309096957> ?p ?o ?g. }
- W4309096957 endingPage "18898" @default.
- W4309096957 startingPage "18883" @default.
- W4309096957 abstract "The half-sandwich complex [Cp′Fe{N(dipp)(SiMe3)}] (Fe-dipp; Cp′ = 1,2,4-tri-tert-butylcyclopentadienyl and dipp = 2,6-diisopropylphenyl) and the mixed metallocene [Cp′Fe{(η5-C6H3iPr2)═N(SiMe3)}] (Fe-chd) formed in the reaction between [{Cp′Fe(μ-I)}2] and [Li{N(dipp)(SiMe3)}]2 were characterized by NMR spectroscopy and X-ray diffraction analysis. Fe-dipp complements the series of low-coordinate, quasi-linear iron amido half-sandwich complexes [Cp′Fe{N(tBu)(SiMe3)}] (Fe-tBu) and [Cp′Fe{N(SiMe3)2}] (Fe-tms) reported earlier, and all three compounds were characterized in the solid state by zero-field 57Fe Mössbauer spectroscopy and magnetic susceptibility measurements, confirming their S = 2 electronic ground state. Moreover, the Mössbauer absorption spectra reveal slow paramagnetic relaxation at low temperatures with large internal magnetic hyperfine fields of Bhf = 96.4 T (Fe-dipp, 20 K), Bhf = 101.3 T (Fe-tBu, 15 K), and Bhf = 96.9 T (Fe-tms, 20 K). The magnetic measurements further confirm that the presence of significant axial zero-field splitting and slow relaxation of magnetization is detected, which is revealed even in the absence of a static magnetic field in the case of Fe-tBu. Supplementary ab initio and density functional theory calculations were performed and support the experimental data." @default.
- W4309096957 created "2022-11-21" @default.
- W4309096957 creator A5010213141 @default.
- W4309096957 creator A5012572573 @default.
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- W4309096957 creator A5040624971 @default.
- W4309096957 creator A5085641769 @default.
- W4309096957 creator A5087583813 @default.
- W4309096957 date "2022-11-15" @default.
- W4309096957 modified "2023-10-16" @default.
- W4309096957 title "Low-Coordinate Iron(II) Amido Half-Sandwich Complexes with Large Internal Magnetic Hyperfine Fields" @default.
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