cMOF Evidence Base
Porosity — Control of crystalline proton-conducting pathways by water-induced transformations of hydrogen-bonding networks in a metal-organic framework

Measurement evidence

Porosity

Control of crystalline proton-conducting pathways by water-induced transformations of hydrogen-bonding networks in a metal-organic framework · Sadakiyo M., Yamada T., Honda K. et al. · Journal of the American Chemical Society · 2014 · 7701-7707

2 measurement groups · 5 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

nitrogen gas adsorption/desorption isotherm

Gas sorption and porosity

dehydrated 1 for sorption measurements · Powder

N2 adsorption/desorption at 77 K; sample 1 after dehydration

Temperature
77
Atmosphere
nitrogen
Geometry
powder adsorption sample
Context
pristine anhydrate MOF
Measurement source
S2 · Supporting Information · Figure S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
approximate nitrogen uptake near 100 kPaabout 2 cm3 g-1 at ~100 kPa from Figure S1—visual estimateFigure Axis
Approximate		S2 · Supporting Information · Figure S1
nitrogen adsorptionno significant adsorption of nitrogen gas observed——Text
Qualitative		7703 · Structural Analysis · Figure S1

water vapour adsorption/desorption isotherms using BELSORP18-PLUS

Gas sorption and porosity

dehydrated 1 for sorption measurements · Powder

sample dehydrated at 80 °C overnight under vacuum; water vapour adsorption/desorption at 25 °C; P/P0 maps to RH

Temperature
298
Atmosphere
water vapour
Geometry
powder adsorption sample
Context
pristine MOF undergoing hydration transformation
Measurement source
7703 · Structural Analysis · Figure 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
humidity-controlled hydration phase regionsanhydrate under vacuum; dihydrate from 5% to 95% RH; trihydrate over 96% RH——Text
Range		7703 · Structural Analysis · Figure 3
water uptake at 52% RH2.0 molecules per formula unit at 52% RH——Text
Rounded Reported		7703 · Structural Analysis · Figure 3
water uptake at 96% RH2.9 molecules per formula unit at 96% RH——Text
Rounded Reported		7703 · Structural Analysis · Figure 3