A Metal–Organic Framework with Optimized Open Metal Sites and Pore Spaces for High Methane Storage at Room Temperature

Holey MOF! Open copper sites and optimal pore spaces in UTSA-20 (see picture), a MOF based on the novel trinodal (3,3,4) net, has made UTSA-20 into the material with the highest methane storage density (0.22 g cm−3) in micropores, and one of the few porous MOFs with storage volume capacity (195 cm3 cm−3) surpassing the DOE methane target of 180 cm3 cm−3 at room temperature and 35 bar. Detailed facts of importance to specialist readers are published as "Supporting Information". Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.