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Free keywords:
Scandium; Potassium; Phosphate; Channels
Abstract:
KSc(HPO4)(2) was obtained by hydrothermal synthesis. The crystal structure was determined from single-crystal X-ray data: orthorhombic. space group Pnma (No. 62), a = 14.5095(10). b = 5.4260(4). c = 8.4882(5) angstrom, V = 668.26(8) angstrom(3) and Z = 4. The crystal structure of KSc(HPO4)(2) represents a new structure type containing twelve- and four-membered rings forming channels along [010] built of alternating ScO6 octahedra and HPO42- groups. Potassium ions reside within the twelve membered ring channels.