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≈ 1.8 Å diameter
- It is microporous due to its hexagonal helical pores (with 6.10 Å. channel diameter from the center of the oxygen atoms leaving a space of ≈ 3 Å minimum diameter) and will re-adsorb molecular H 2 (≈ 1.8 Å diameter) if exposed to it.
People also ask
Can Ice XVII be maintained at ambient pressure?
What is Ice XVII?
How to prepare structurally pure ice XVII?
How to obtain large quantities of cubic Ice Ice with high structural purity?
What is the difference between Ice XVII and ice Ih?
What are the lattice parameters of H2O ice Ih?
Dec 31, 2016 · In order to characterize the adsorption capacity of this new material, we have calculated both gravimetric and volumetric capacities. The adsorption properties of ice XVII can be compared with those of materials with highly porous structure, able to realize hydrogen physisorption.
- Leonardo del Rosso, Milva Celli, Lorenzo Ulivi
- 2017
Nov 7, 2016 · Here, the authors report a new porous ice phase, termed ice XVII, which is metastable at ambient pressure and is able to adsorb and release hydrogen reversibly.
- Leonardo del Rosso, Milva Celli, Lorenzo Ulivi
- 2016
Feb 8, 2017 · The comparison of ice XVII with materials with a similar mechanism of hydrogen adsorption like metal-organic frameworks shows interesting performances of ice XVII in terms of hydrogen content,...
In this study, published in Journal of Chemical Physics, researchers from the Consiglio Nazionale delle Ricerche and ISIS used ice XVII made with D 2 O as a porous matrix to host molecular hydrogen, nitrogen and oxygen at near ambient pressure (0.5-3 bar) and low temperature (20-90 K).
In this work, we investigate quantitatively the adsorption properties of this simple material by means of spectroscopic and volumetric data, deriving its gravimetric and volumetric capacities as...
Feb 3, 2020 · Cubic ice Ic is formed by heating a powder of D 2 O ice XVII obtained from annealing of pristine C 0 hydrate samples under dynamic vacuum. Neutron diffraction experiments performed on two...
Nov 7, 2016 · By trapping guest molecules, solid water shows peculiar structures in addition to the known fifteen forms of ice at different conditions. Here, the authors report a new porous ice phase, termed ice XVII, which is metastable at ambient pressure and is able to adsorb and release hydrogen reversibly.
