Crystal and molecular structure of tris(hexamethyldisilylamido)iron(III)

Abstract

The crystal structure of the title compound has been determined by single-crystal X-ray diffraction methods from diffractometer data by Patterson and Fourier methods and refined by least squares to R 0·094 for 1051 independent observed intensities. The crystals are trigonal, space group P1c with a= 16·112 and c= 8·556 Å, Z= 2. The molecule has D₃ symmetry, with an angle of 49·2° between the FeN₃and NSi₂ planes. The Fe–N bond, at 1·917(4)Å is somewhat shorter than values found in other compounds. Bond lengths and angles involving the other atoms are normal.