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Both complexes have been characterized by single-crystal X-ray diffraction analysis, elemental analysis, IR spectra, powder X-ray diffraction and thermogravimetric analysis. Complex (I) is a 3D framework constructed from trinuclear structural units and tcpb<jats:sup>3\u2212<\/jats:sup> ligands in a \u03bc<jats:sub>5<\/jats:sub>-coordination mode. The central Cd<jats:sup>II<\/jats:sup> atom of the trinuclear unit is located on a crystallographic inversion centre and adopts an octahedral geometry. The metal atoms are bridged by four <jats:italic>syn<\/jats:italic>\u2013<jats:italic>syn<\/jats:italic> carboxylate groups and two \u03bc<jats:sub>2<\/jats:sub>-water molecules to form trinuclear [Cd<jats:sub>3<\/jats:sub>(COO)<jats:sub>4<\/jats:sub>(\u03bc<jats:sub>2<\/jats:sub>-H<jats:sub>2<\/jats:sub>O)<jats:sub>2<\/jats:sub>] secondary building units (SBUs). These SBUs are incorporated into clusters by bridging carboxylate groups to produce pillars along the <jats:italic>c<\/jats:italic> axis. The one-dimensional inorganic pillars are connected by tcpb<jats:sup>3\u2212<\/jats:sup> linkers in a \u03bc<jats:sub>5<\/jats:sub>-coordination mode, thus forming a 3D network; its topology corresponds to the point symbol (4<jats:sup>2<\/jats:sup>.6<jats:sup>2<\/jats:sup>.8<jats:sup>2<\/jats:sup>)(4<jats:sup>4<\/jats:sup>.6<jats:sup>2<\/jats:sup>)<jats:sub>2<\/jats:sub>(4<jats:sup>5<\/jats:sup>.6<jats:sup>6<\/jats:sup>.8<jats:sup>4<\/jats:sup>)<jats:sub>2<\/jats:sub>. In contrast to (I), complex (II) is characterized by a 3D framework based on dinuclear cadmium SBUs, <jats:italic>i.e.<\/jats:italic> [Cd<jats:sub>2<\/jats:sub>(COO)<jats:sub>3<\/jats:sub>]. The two symmetry-independent Cd<jats:sup>II<\/jats:sup> ions display different coordinated geometries, namely octahedral [CdN<jats:sub>2<\/jats:sub>O<jats:sub>4<\/jats:sub>] and monocapped octahedral [CdO<jats:sub>7<\/jats:sub>]. The dinuclear SBUs are incorporated into clusters by bridging formate groups to produce pillars along the <jats:italic>c<\/jats:italic> axis. These pillars are further bridged either by tcpb<jats:sup>3\u2212<\/jats:sup> ligands into sheets or by 1,4-bis(imidazol-1-yl)benzene ligands into undulating layers, and finally these two-dimensional surfaces interweave, forming a 3D structure with the point symbol (4.6<jats:sup>2<\/jats:sup>)(4<jats:sup>7<\/jats:sup>.6<jats:sup>14<\/jats:sup>). Compound (II) exhibits reversible I<jats:sub>2<\/jats:sub> uptake of 56.8\u2005mg\u2005g<jats:sup>\u22121<\/jats:sup> with apparent changes in the visible colour and the UV\u2013Vis and fluorescence spectra, and therefore may be regarded as a potential reagent for the capture and release of I<jats:sub>2<\/jats:sub>.<\/jats:p>","DOI":"10.1107\/s2053229619004960","type":"journal-article","created":{"date-parts":[[2019,4,17]],"date-time":"2019-04-17T14:31:58Z","timestamp":1555511518000},"page":"575-583","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":7,"title":["Cadmium(II) three-dimensional coordination polymers constructed from 1,3,5-tris(4-carboxyphenoxy)benzene: synthesis, crystal structure, fluorescence and I<sub>2<\/sub> sorption characterization"],"prefix":"10.1107","volume":"75","author":[{"given":"Yuting","family":"Bai","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Meirong","family":"Han","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Enxi","family":"Wu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sisi","family":"Feng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6958-7450","authenticated-orcid":true,"given":"Miaoli","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2019,4,17]]},"reference":[{"key":"yf3170_bb1","doi-asserted-by":"crossref","first-page":"1555","DOI":"10.1002\/anie.199515551","volume":"34","author":"Bernstein","year":"1995","journal-title":"Angew. 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