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Figure 3 Fragment of the crystal structure of (I) showing the coordination of the Cr3+ cation. The CaO8 polyhedra are displayed with grey shading, PO4 tetrahedra with purple shading and Cr atom as green circle. |
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Figure 3 Fragment of the crystal structure of (I) showing the coordination of the Cr3+ cation. The CaO8 polyhedra are displayed with grey shading, PO4 tetrahedra with purple shading and Cr atom as green circle. |