期刊
CRYSTAL GROWTH & DESIGN
卷 9, 期 3, 页码 1444-1451出版社
AMER CHEMICAL SOC
DOI: 10.1021/cg800869u
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资金
- Research Grants Council of the Hong Kong Special Administrative Region, China [9041212]
- CityU [103407]
- NSF [0087210]
- Ohio Board of Regents [CAP-491]
From searching the Cambridge Structural Database (CSD), we noticed an exceptionally widespread distribution of the interatomic distances (from 2.39 to 3.52 angstrom) between thioether S atoms and Ag(I) ions, in comparison with the cases in other common ligands such as nitriles and pyridyls. The variable bonding distances point to a highly flexible and reversible nature of thioether-Ag(I) interaction, which might help crystallize large and complex organic molecules into ordered coordination networks under mild conditions. We provide a number of new structures for illustration. In 1, two Ag(I) ions are coordinated by three 1,2,3-tris(methylthio)phenyl groups (i.e., 9 S atoms) to form a three-bladed paddlewheel block as a node for an enlarged honeycomb sheet. In 2, a porphyrin molecule with four 1,2,3-tris(phenylthio)phenyl groups coordinates to Ag(I) atoms to form a parallelogram net, featuring free-standing phenylthio groups in the channel. In 3, a starburst molecule with six 4-methylthiophenyl groups attached to the triphenylene core is crystallized with AgOTf (triflate) to form a complex three-dimensional net, with a supramolecular topology featuring a combination of edge-sharing octahedra (the rutile chain) and vertex-sharing octahedra (the ReO3 chain).
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