Supplementary Data for "How Strong is the Hydrogen Bond in Hybrid Perovskites?

DFT optimised structures for the hybrid perovskites with the X organic cation and the Y anion: POSCAR-X-Y-D3 NMRdata.zip with NMR data for the four Zn formate perovskites and the X organic cation: X.dxThe authors acknowledge computing support from the UK national supercomputing service (Archer), via membership of the UK Materials Chemistry Consortium which is funded by EPSRC (EP/L000202), and from the University of Bath computing services (Balena)