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View of PW12@HKUST‐1 orthogonally to the (0 0 1) planes (A and B identify two kinds of pores). Wireframe and polyhedral models, respectively, represent the Cu‐BTC framework of HKUST‐1 and the Keggin‐type polyanion. The blue, red, and grey units in the wireframe model represent Cu, O, and C, alternately. Adapted with permission from ref. [184]. Copyright 2009 American Chemical Society.
