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2-Ferrocenyl-3-nitro-2H-chromene. 2013

S Paramasivam, and Jonnalagadda Naga Siva Rao, and P R Seshadri, and Raghavachary Raghunathan
Post Graduate and Research Department of Physics, Agurchand Manmull Jain College, Chennai 600 114, India.

In the title compound, [Fe(C5H5)(C14H10NO3)], the cyclo-penta-dienyl rings are in an eclipsed conformation and the pyran ring adopts a half-chair conformation. The mean plane of the pyran ring makes dihedral angles of 79.33 (1) and 80.73 (1)°, respectively, with the substituted and unsubstituted cyclo-penta-dienyl rings. In the crystal, pairs of C-H⋯O hydrogen bonds link the mol-ecules into inversion dimers with R 2 (2)(16) motifs.

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