Crystal and molecular structure of di-µ-iodo-bis-[(o-dimethylaminophenyl)dimethylarsine-As,N]-dicopper(I)
- 1 January 1971
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 2331-2333
- https://doi.org/10.1039/j19710002331
Abstract
Di-µ-iodo-bis-[(o-dimethylaminophenyl)dimethylarsine-As,N]-dicopper(I) crystallizes in the orthorhombic system, space group Pbca, with Z= 4 in a unit cell of dimensions a= 11·34(3), b= 13·69(1), and c= 17·60(1)Å. Diffraction data were used and the structure solved by the heavy-atom method and refined by least-squares methods to R 8·5%. The molecules are dimeric; each of the copper atoms in the dimer is surrounded by four ligand atoms in an approximately tetrahedral arrangement and there are two iodine bridges between each pair of copper atoms. The packing of the molecule makes the Cu Cu distance (2·727 Å) unusually short. Some distortion in the molecule is discussed in terms of the steric requirements of the ligand.Keywords
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