(a) Reconstructed RED data from SU-77 used for structure solution, showing an orthorhombic unit cell. (b) Rietveld refinement of SU-77 against synchrotron PXRD, showing a monoclinic unit cell. (c) Structural model of as-synthesized SU-77, viewed along the  direction. Reprinted (adapted) with permission from Fang et al. (2014). Copyright (2014) the American Chemical Society.