Chemistry: Gas adsorption sites in a large-pore metal-organic framework

Jesse L.C. Rowsell, Elinor C. Spencer, Juergen Eckert, Judith A.K. Howard, Omar M. Yaghi

Research output: Contribution to journalArticlepeer-review

831 Scopus citations


The primary adsorption sites for Ar and N2 within metal-organic framework-5, a cubic structure composed of Zn4O(CO2) 6 units and phenylene links defining large pores 12 and 15 angstroms in diameter, have been identified by single-crystal x-ray diffraction. Refinement of data collected between 293 and 30 kelvin revealed a total of eight symmetry-independent adsorption sites. Five of these are sites on the zinc oxide unit and the organic link; the remaining three sites form a second layer in the pores. The structural integrity and high symmetry of the framework are retained throughout, with negligible changes resulting from gas adsorption.

Original languageEnglish
Pages (from-to)1350-1354
Number of pages5
Issue number5739
StatePublished - Aug 26 2005


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