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Figure 1 The expanded asymmetric unit of Al0.5Nb1.5(PO4)3 showing the coordination environments of the P and Al/Nb atoms. The displacement ellipsoids are drawn at the 50% probability level·[Symmetry codes: (i) x, y, z; (ii) −x + y, −x, z; (iii) −y, x-y, z; (iv) 0.66667 − x, 0.33333 − x + y, 0.83333 − z; (v) 0.66667 − y, 0.33333 − x, −0.16667 + z; (vi) − + x, + x-y, −0.16667 + z; (vii) −0.33333 − x + y, − + y, −0.16667 + z.] |