Porosity — Bi-porous metal-organic framework with hydrophilic and hydrophobic channels: Selective gas sorption and reversible iodine uptake studies

Measurement evidence

Porosity

Bi-porous metal-organic framework with hydrophilic and hydrophobic channels: Selective gas sorption and reversible iodine uptake studies · Chaudhari A.K., Mukherjee S., Nagarkar S.S. et al. · CrystEngComm · 2013 · 9465-9471

3 measurement groups · 13 results

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

Low-pressure volumetric gas sorption, BelSorpmax

guest-free activated compound 1' · Pellet

CO2, CH4, N2 and H2 adsorption at 273 K; CO2 heat of sorption calculated from 273 K and 298 K data.

Temperature
273
Atmosphere
CO2, CH4, N2, H2
Geometry
activated powder
Context
guest-free activated pristine framework
Measurement source
p007; p037-p038 · Gas adsorption details; Gas Sorption Data · Fig. S6; Fig. S9; gas sorption data table
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
CH4 adsorption uptake at 273 K near 100 kPa3.442 at P = 100.43SI Table
Exact Reported
p037 · Gas Sorption Data · Gas sorption data table
CO2 adsorption uptake at 273 K near 100 kPaMarked as a best value within this paper12.853 at P = 100.52SI Table
Exact Reported
p037 · Gas Sorption Data · Gas sorption data table
low-loading isosteric heat of CO2 adsorptionMarked as a best value within this paperabout 25 kJ mol-1Text
Approximate
p004 / 9468 · Results and discussion · Fig. S9
N2 adsorption uptake at 273 K near 100 kPa1.3187 at P = 100.57SI Table
Exact Reported
p038 · Gas Sorption Data · Gas sorption data table

Low-pressure volumetric gas sorption, BelSorpmax

guest-free activated compound 1' · Pellet

CO2 at 195 K; CH4 at 195 K; N2 and H2 at 77 K; gases 99.999% purity; sample degassed under vacuum before measurement.

Temperature
195; 77
Atmosphere
gas sorption atmospheres CO2, CH4, N2, H2
Geometry
activated powder
Context
guest-free activated pristine framework
Measurement source
p007-p008; p036 · Gas adsorption details; Gas Sorption Data · Fig. S7; gas sorption data table
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
CH4 adsorption uptake at 195 K near 100 kPa12.181 at P = 100.07SI Table
Exact Reported
p036 · Gas Sorption Data · Gas sorption data table
CO2 adsorption uptake at 195 K near 95 kPaMarked as a best value within this paper59.352 at P = 95.18SI Table
Exact Reported
p036 · Gas Sorption Data · Gas sorption data table
H2 adsorption uptake at 77 K near 100 kPa17.771 at P = 100.15SI Table
Exact Reported
p037 · Gas Sorption Data · Gas sorption data table
N2 adsorption uptake at 77 K near 96 kPa6.1573 at P = 95.668SI Table
Exact Reported
p036 · Gas Sorption Data · Gas sorption data table
effective pore diameter from H-K plotMarked as a best value within this paper0.6 nm6 AngstromText
Rounded Reported
p004 / 9468 · Results and discussion · Fig. 4 inset; Fig. S8

Crystallographic pore analysis and PLATON/SQUEEZE void analysis

as-synthesised compound 1 · Single Crystal

Channel dimensions reported from crystallographic model; void volumes reported from PLATON analysis and CIF SQUEEZE output.

Context
pristine framework as synthesised
Measurement source
p003 / 9467 · Results and discussion · Fig. 2; Fig. S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
hydrophilic channel dimensions7.448 x 7.676Text
Exact Reported
p003 / 9467 · Results and discussion · Fig. 2; Fig. S3
hydrophobic channel dimensions2.33 x 1.926Text
Exact Reported
p003 / 9467 · Results and discussion · Fig. 2; Fig. S3
PLATON free void fraction reported in main text36.9%Text
Approximate
p003 / 9467 · Results and discussion
CIF SQUEEZE total potential solvent area volumeMarked as a best value within this paper1025.8 Angstrom^3 [27.3% of cell volume]SI Table
Exact Reported
CIF lines 1080-1110 · PLATON SQUEEZE details · _platon_squeeze_details