Abstract
The structure of the trichlorocuprate of naphtho-15-crown-5 complexed potassium has been determined by X-ray analysis. The crystal contains the complex cations [K(naphtho-15-crown-5)2]+, the anion [Cu2Cl6]2− and water molecules. The full composition of the compound in the solid state is represented by the formula [K(naphtho-15-crown-5)2]2[Cu2Cl6]·nH2O), wheren≌3. The sandwich type cations are similar to those found previously for potassium complexes with benzo-15-crown-5. The coordination number of potassium is equal to 10; the coordination polyhedron is a 15-crown-5. The coordination number of potassium is equal to 10; the coordination polyhedron is a pentagonal antiprism. The water molecules are disordered and occupy six symmetrically independent positions with a probability of ∼0.5 in the crystal. The lack of close contacts between water molecules and the remaining components enabled the treatment of the complex as a clathrate.
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Supplementary Data relating to this article has been deposited with the British Library as Supplementary Publication No. 82154 (20 pages).
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Biernat, J.F., Cygan, A., Luboch, E. et al. The X-ray structure of the trichlorocuprate of naphtho-15-crown-5 complexed potassium. J Incl Phenom Macrocycl Chem 15, 369–383 (1993). https://doi.org/10.1007/BF00708754
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DOI: https://doi.org/10.1007/BF00708754