Synthese und Kristallstruktur des cyclischen Hydrazido-Komplexes {Fe2Cl4[(NSiMe3)(CPh)]2N2} / Synthesis and Crystal Structure of the Cyclic Hydrazido Complex {Fe2Cl4[(NSiMe3)(CPh)]2N2}
Open Access
- 1 April 1989
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 44 (4) , 495-498
- https://doi.org/10.1515/znb-1989-0420
Abstract
The title compound has been prepared by the reaction of FeCl3 with N, N, N′-tris(trimethylsilyl) benzamidine in CH2Cl2 solution as dark red, moisture-sensitive crystals. The complex was characterized by its IR spectrum as well as by an X-ray structure determination. Crystal data: space group P21/n, Z = 2 (1178 observed independent reflexions, R = 0.089). Lattice dimensions (20 °C): a = 1240.2(2), b = 645.7(3), c = 1779.7(3) pm, β = 91.31(2)°. The compound forms centrosymmetric molecules, in which the iron atoms are members of two fused planar heterocycles with the NN group as the com m on edge. The NN bond length (142.5(9) pm) is very close to the NN bond length of hydrazine.Keywords
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