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Figure 3 Fraction of the structure of Nd2W2O9 with atomic numbering scheme (projection approximately along the a-axis). Coordination polyhedra are indicated as a guide for the eye. Atoms are drawn as 50% probability ellipsoids. (Symmetry codes: (iii) −x + 1, −y + 1, −z; (vii) x, −y + , z + ; (ix) −x, −y + 1, −z; (x) −x + 1, y − , −z + ; (xi) −x, y − , −z + ; (xiv) x, −y + , z − ; (xv) x, y, z + 1; (xvi) −x, −y + 1, −z + 1). |