M4O(IO3)3(I3O7F3)BF4 (M = Pb, Sr): Promising Nonlinear Optical Materials Featuring the Unprecedented Windmill-Shaped [I3O7F3]2– Polyfluoroiodate Anion

The first examples of metal trifluoroiodates, namely, M4O(IO3)3(I3O7F3)BF4 (M = Pb, Sr), have been synthesized. Both compounds feature an interesting windmill-shaped [I3O7F3]2– trimer polyfluoroiod...