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Figure 1 A view of the structure of (I), showing the coordination environment for Sr and Ni atoms; displacement ellipsoids were drawn at the 30% probability level [Symmetry codes: (i) −x + 1, −y + 1, −z + 1; (ii) x, −y + , z + ; (iii) −x + 2, −y + 1, −z + 1; (iv) x, −y + , z − ]. |
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