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Reversible interpenetration in a metal-organic framework triggered by ligand removal and addition |
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| Authors: | Sang Beom Choi Hiroyasu Furukawa Hye Jin Nam Duk-Young Jung Young Ho Jhon Allan Walton David Book Michael O'Keeffe Omar M Yaghi Jaheon Kim |
| Affiliation: | Department of Chemistry, Soongsil University, Seoul 156-743 (Korea). |
| Abstract: | Caging cages: Crystals of a metal-organic framework, MOF-123 [Zn(7) O(2) (NBD)(5) (DMF)(2) ] have a three-dimensional porous structure in which DMF ligands (see picture, pink) protrude into small channels. Removal of these ligands triggers the transformation of this MOF to the doubly interpenetrating form, MOF-246 [Zn(7) O(2) (NBD)(5) ]. Moreover, addition of DMF into MOF-246 triggers reverse transformation to give MOF-123. NBD=2-nitrobenzene-1,4-dicarboxylate. |
| Keywords: | interpenetration metal–organic frameworks porosity structural transformation zinc |
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