Synthesis and structure of Zr(iv)- and Ce(iv)-based CAU-24 with 1,2,4,5-tetrakis(4-carboxyphenyl)benzene†,10.1039/C6DT03852B

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Synthesis and structure of Zr(iv)- and Ce(iv)-based CAU-24 with 1,2,4,5-tetrakis(4-carboxyphenyl)benzene†

M. Lammert,H. Reinsch,C. A. Murray,M. T. Wharmby,H. Terraschke,N. Stock

Dalton Transactions Pub Date : 11/08/2016 00:00:00 , DOI:10.1039/C6DT03852B

Abstract

Two new MOFs denoted as M-CAU-24 (M = Zr, Ce) based on 1,2,4,5-tetrakis(4-carboxyphenyl)benzene (H₄TCPB) were obtained under mild reaction conditions within 15 min. The MOFs with composition [M₆(μ₃-O)₄(μ₃-OH)₄(OH)₄(H₂O)₄(TCPB)₂] crystallise in the scu topology, a connectivity hitherto unreported for Zr-MOFs with tetracarboxylate linker molecules. Zr-CAU-24 exhibits UV/blue ligand-based luminescence.