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Figure 1 The asymmetric unit of the title compound, with the symmetry-related atoms to complete the Sm coordination. Displacement ellipsoids are drawn at the 30% probability level. H atoms have been omitted for clarity. [Symmetry codes: (A) −x, 1-y, 1-z; (B) 2-x, 2-y, −z; (C) 1 + x, y, z; (D) 1-x, 2-y, −z.] |