2.4.1. X-ray Analysis

Powder X-ray diffraction patterns (XRPD) of powders were registered with a Philips X'Pert PRO MPD diffractometer (Malvern Panalytical, Royston, United Kingdom) operating at 40 kV and 40 mA, with a step size 0.03◦ 2theta and step scan 40 s, using Cu Kα radiation and an X'Celerator detector (Malvern Panalytical, Royston, United Kingdom).
