Libration of phenyl groups detected by VT-SSNMR: Comparison with X-ray crystallography

This work was supported by Ministerio de Economia, Industria y Competitividad of Spain (CTQ2014‐56833‐R and CTQ2015‐63997‐C2‐2‐P) and Comunidad Autonoma de Madrid (Project FOTOCARBON, ref. S2013/ MIT2841). Carla I. Nieto is indebted to UNED for a predoctoral contract “FPI Grupos de Investigacion.”