Gas Sorption in Porous Ionic Packings (PIPs) Based on the Closo-dodecaborate anion

Malherbe, Nicolas;et.al.
(2025) Gordon research Seminar and conference Metal-Hydroegn systems 2025 — Location: Les Diablerets, Switzerland (21.June.2025)

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Abstract
Porous ionic packings (PIPs) offer a novel strategy for designing functional porous materials using packed large spherical ions to create intrinsic, isolated voids within a crystal lattice. These materials exhibit accessible pores for small gases at moderate temperatures, despite the lack of pore interconnectivity. We demonstrate this concept with (NMe₄)₂B₁₂H₁₂, which adopts a face-centered cubic anti-CaF₂ structure. We speculate that the dynamic ion rotation facilitates gas diffusion, while polarized B–Hδ⁻ bonds enhance affinity to H2.
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Malherbe, N., & et al. (2025). Gas Sorption in Porous Ionic Packings (PIPs) Based on the Closo-dodecaborate anion. Gordon research Seminar and conference Metal-Hydroegn systems 2025, Les Diablerets, Switzerland. https://hdl.handle.net/2078.5/248224