JOURNAL of the Tunisian Chemical Society

The title compound K₂CoP₂O₇ has been prepared as single crystals by a solid state reaction at 680°C. It was characterized by powder X-ray diffraction, scan electronic microscopy, infrared and UV-visible spectroscopies. The structure determined by single crystal X-ray diffraction, is isomorphous with Na₂CoP₂O₇. The cell is tetragonal P4₂/mnm, a = 7.926(Å) ; c = 11.350(Å) and Z = 4. The framework is a layered structure. The Na cations are located between layers and insure the cohesion of the structure.

A. Guesmi, A. Driss

diphosphate, potassium, cobalt(lI), layer framework

Pages 1675-1683