Die Kristallstruktur von Thiocyanato(2-dimethylaminoäthanolato)kupfer(II) / The Crystal Structure of Thiocyanato(2-dimethylaminoethanalato)copper(II)

W. Haase 1 , R. Mergehenn 1  and W. Krell 1
  • 1 Physikalische Chemie I der Technischen Hochschule Darmstadt

The crystal structure of the title compound has been determined from three-dimensional X-ray diffractometer data. Crystals are monoclinic, space group P21/c with 8 Cu(C4H10NO)SCN units in a cell of dimensions α = 11.951(4), b = 8.954(3), c = 16.805(6) Å, and β = 107.5(1)°. The structure was refined by least squares techniques to a final discrepancy factor of 0.041 based on 2234 observed independent reflexions.

The compound is polymeric with copper atoms alternately bridged by two oxygen atoms and two thiocyanato groups. The coordination geometry around each copper atom is distorted square pyramidal. The basal plane consists of the two bridging oxygen atoms (mean value Cu-O: 1.914(3) Å), the amino nitrogen atom (mean value Cu-N: 2.035(3) Å) and the nitrogen atom from the thiocyanato group (mean value Cu-N: 1.908(3) Å) while the axial coordination site is occupied by a sulfur atom from a thiocyanato group (mean value Cu-S: 2.979(2) Å) centrosymmetric to the first.

The magnetic susceptibility of the compound shows a broad maximum at 200 K

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Zeitschrift für Naturforschung B is an international scientific journal which publishes original papers, microreviews, and letters from all areas of inorganic chemistry, solid state chemistry, coordination chemistry, molecular chemistry, and organic chemistry.

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