Unprecedented Topological Complexity in a Metal-Organic Framework Constructed from Simple Building Units

Journal of the American Chemical Society
A Ken IngeNorbert Stock

Abstract

A bismuth-based metal-organic framework (MOF), [Bi(BTC)(H2O)]·2H2O·MeOH denoted CAU-17, was synthesized and found to have an exceptionally complicated structure with helical Bi-O rods cross-linked by 1,3,5-benzenetricarboxylate (BTC(3-)) ligands. Five crystallographically independent 1D channels including two hexagonal channels, two rectangular channels, and one triangular channel have accessible diameters of 9.6, 9.6, 3.6, 3.6, and 3.4 Å, respectively. The structure is further complicated by twinning. Rod-incorporated MOF structures typically have underlying nets with only one unique node and three or four unique edges. In contrast, topological analysis of CAU-17 revealed unprecedented complexity for a MOF structure with 54 unique nodes and 135 edges. The complexity originates from the rod packing and the rods themselves, which are related to aperiodic helices.

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Citations

Sep 15, 2016·Chemical Reviews·Alexander SchoedelOmar M Yaghi
Jun 27, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·M KöppenN Stock
Oct 7, 2016·Chemical Communications : Chem Comm·Qiong XiaoDan Li
Jul 27, 2018·Angewandte Chemie·Huan OuyangDongjiang Yang
Jan 13, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·G E GomezG J A A Soler-Illia
Sep 8, 2020·Journal of the American Chemical Society·Erik Svensson GrapeA Ken Inge
Oct 5, 2018·Inorganic Chemistry·Thais GranchaEmilio Pardo
Dec 10, 2016·Journal of the American Chemical Society·Omar M Yaghi
Jan 16, 2020·ACS Applied Materials & Interfaces·Claudia Orellana-TavraDavid Fairen-Jimenez
Dec 14, 2021·ACS Applied Materials & Interfaces·Aylin AykanatKatherine A Mirica

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