Fig. 1
From: A metal–organic framework for efficient water-based ultra-low-temperature-driven cooling

Determination and details of the crystal structure of CAU-23. a SEM image of CAU-23. b Reconstructed 3D reciprocal lattice from cRED data of a nano-sized single-crystal (inset) of CAU-23. c The repetition of cis and trans corner-sharing AlO6 polyhedra forming the inorganic building unit of CAU-23. d The full structure of CAU-23 projected along [010]; water molecules are omitted for clarity