Schematic view of the crystal packing down the c axis. Schematic view of the crystal packing down the a axis. Schematic view of the crystal packing down the b axis. An oblique view of the crystal, showing the interpenetrating nets formed by the anions. The interpenetrating layers are best seen in an oblique view. Select the (110) and (1 -1 0) planes to show them most clearly.

View down the c axis of the title compound, showing the potassium ions (coloured lilac) situated centrally within columns, where they are octahedrally coordinated.