The title iron(II) complex, [Fe(C16H12NO2)2], crystallizes in the orthorhombic space group Pbca with the Fe2+ cation positioned on an inversion center. The cyclopentadienyl (Cp) rings adopt an anti conformation in contrast with other substituted ferrocenes in which the Cp rings appear in a nearly eclipsed conformation. The Cp and the aromatic rings are positioned out of the plane, with a twist angle of 70.20 (12)°, and the C(Cp) - C(CO) bond length is shorter than a typical C - C single bond, which suggests a partial double-bond character and delocalization with the Cp π system. The structure of the complex is compared to other functionalized ferrocenes synthesized in our laboratory.
CITATION STYLE
Pérez, W. I., Rheingold, A. L., & Meléndez, E. (2015). Crystal structure of bis[4-(1H-pyrrol-1-yl)phenyl] ferrocene-1,1′-dicarboxylate: A potential chemotherapeutic drug. Acta Crystallographica Section E: Crystallographic Communications, 71, 536–539. https://doi.org/10.1107/S2056989015007446
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