Table 2. Steps of DUT-67-Zr and -Hf Pore Filling by Water As Obtained from Water Adsorption Isotherms and an In Situ Humidity Experiment During PALS Measurements.

	Octahedral cages	Middle cuboctahedral cages	Large cuboctahedral cages
DUT-67-Zr
RH-PALS	0.26	0.34	0.43
p/p0 – water adsorption	0.30	0.37	0.45
DUT-67-Hf
RH-PALS	0.35	0.09–0.50	0.50
p/p0 – water adsorption	0.25	0.35	0.45