Powder X-ray diffraction data for Figure S1. Datasets (a) and (b) were extracted from I. Imaz, M. Rubio-Martínez, W. J. Saletra, D. B. Amabilino, D. Maspoch, J. Am. Chem. Soc. 2009, 131, 18222 for reference, while dataset (c) was collected experimentally as part of the present study.