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Gas-induced solid state transformation of an organic lattice: from nonporous to nanoporous

Journal Article · · Chemical Communications, 47(2):701-703
DOI:https://doi.org/10.1039/C0CC04260A· OSTI ID:1004799
A well-known organic host, tris-o-phenylenedioxycyclotriphosphazene, exists in two polymorphic guest-free forms: the thermodynamic nonporous high-density phase and the kinetic porous low-density phase. Simple pressurization of the high density phase with CO2 brings a solid-state transformation to the low density phase. As a consequence, the crystal volume expands significantly by 23% with conformational change of the host molecules from Cs symmetry to D3h symmetry.
Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (US)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-76RL01830
OSTI ID:
1004799
Report Number(s):
PNNL-SA-72646; KC0201050
Journal Information:
Chemical Communications, 47(2):701-703, Journal Name: Chemical Communications, 47(2):701-703 Journal Issue: 2 Vol. 47
Country of Publication:
United States
Language:
English

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