Macrocyclic polyfunctional Lewis bases. XIII: Structure of the trichlorocuprate of benzo-15-crown-5 complexed potassium期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Macrocyclic polyfunctional Lewis bases. XIII: Structure of the trichlorocuprate of benzo-15-crown-5 complexed potassium

Authors:	Angelo Mugnoli Zbigniew Dauter Elzbieta Luboch Andrzej Cygan Jan F. Biernat

Affiliation:	(1) Istituto di Chimica Fisica, Universita di Genova, 16132 Genova, Italy;(2) Institute of Organic and Food Chemistry and Technology, Technical University, 80-952 Gdask, Poland;(3) Institute of Inorganic Chemistry and Technology, Technical University, 80-952 Gdask, Poland

Abstract:	The structure of the trichlorocuprate of benzo-15-crown-5 complexed potassium was determined from diffractometer data by direct and refined by least squares toR(F)=0.049. The complex of the formula [(C₁₄H₂₀O₅)₂K]₂Cu₂Cl₆ is triclinic. It consists of two sandwich-like crown-ether-complexed potassium cations and the Cu₂Cl₆^2– anion lying in the corner of the unit cell. The sandwich complexes do not exhibit any elements of symmetry. The anion has a flatter structure in comparison to dimers of chlorocuprates of crown-complexed sodium and large organic cations.

Keywords:	Potassium benzo-15-crown-5 chlorocuprate anion X-ray diffraction analysis
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