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Synthesis and X-ray structure study on new Au(I) polymer architectures based on multi-sulfur tentacles |
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| Authors: | Keiko Nunokawa Satoru Onaka Mitsuhiro Ito Tomoji Ozeki Katsuya Inoue |
| Institution: | a Department of Environmental Technology, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan b Department of Chemistry and Materials Science, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152-8551, Japan c Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan |
| Abstract: | Multi-thiolate ligands are used as a scaffold to construct a series of supramolecules, which cover the following entries; (1,3-S2-C6H4){AuP(C6H4-3-CF3)3}2]n (1), (1,4-S2-C6H4){AuP(C6H4-3-CF3)3}2]n (2), (1,4-S2-C6H4){AuP(C6H5)2(2-pyridine)}2 (3), (1,3,5-S3-C6H3){AuP(C6H5)2(2-pyridine)}3]n (4), and (1,3,5-S3-C6H3){AuP(C6H4-3-CF3)3}3]n (5). The molecular and crystal structures of these new derivatives have been elucidated by single crystal X-ray diffraction. Aurophilic interactions have been demonstrated for 1, 2, 4, and 5 to produce new supramolecular architectures. Nano-channels are formed by aurophilic and π-π interactions for 1, in which benzene molecules are trapped. An 8 (eight)-shaped loop is formed in solid state for 2. Infinite zigzag chains are constructed for 4 and 5. |
| Keywords: | Aurophilicity Multi-S ligands Supramolecules Dendrimers Helical structures |
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