Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 10 (October 2013)


metal-organic compounds



ng5341 scheme

Acta Cryst. (2013). E69, m534-m535    [ doi:10.1107/S1600536813023933 ]

[[mu]-3,3'-Bis(trihydroboryl)[3]ferrocenophane]bis(chloridozirconocene)

A. Reichert, H.-W. Lerner, M. Wagner and M. Bolte

Abstract: The title compound, [FeZr2(C5H5)4Cl2(C13H18B2)], is a heteronuclear complex that consists of a [3]ferrocenophane moiety substituted at each cyclopentadienyl (Cp) ring by a BH3 group; the BH3 group is bonded via two H atoms to the Zr atom of the zirconocene chloride moiety in a bidentate fashion. The two Cp rings of the [3]ferrocenophane moiety are aligned at a dihedral angle of 8.9 (4)° arising from the strain of the propane-1,3-diyl bridge linking the two Cp rings. [One methylene group is disordered over two positions with a site-occupation factor of 0.552 (18) for the major occupied site.] The dihedral angles between the Cp rings at the two Zr atoms are 50.0 (3) and 51.7 (3)°. The bonding Zr...H distances are in the range 1.89 (7)-2.14 (7) Å. As the two Cp rings of the ferrocene unit are connected by an ansa bridge, the two Zr atoms approach each other at 6.485 (1) Å. The crystal packing features C-H...Cl interactions.


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