Fig. 3
From: A metal–organic framework for efficient water-based ultra-low-temperature-driven cooling

Preferential arrangement of the adsorbed water molecules within the channel of CAU-23. a The very first adsorbed water molecule interacting with two adjacent µ-OH sites forming strong hydrogen bonds. b Aggregation of hydrogen-bonded water molecules within the channel of CAU-23 plotted along the cross-section of the channel. c Top view of the water loaded channel