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Figure 1 Displacement ellipsoid plot of [–Si(C12H9)2OSi(CH3)2O–]2 with ellipsoids drawn at the 50% probability level. The parallel displaced π-π stacking interaction is indicated by a dashed line between the ring centroids. Hydrogen atoms are omitted for clarity. Symmetry operation i: 1 − x, 1 − y, 1 − z. |