Assembly of strongly phosphorescent hetero-bimetallic and -trimetallic [2]catenane structures based on a coinage metal alkynyl system† †Electronic supplementary information (ESI) available: Experimental details. CCDC 1499658 (1), 1499630 (2), 1499654 (3), 1554172 (4), 1554173 (5), 1554171 (6), and 1554174 (7). For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c7sc03529b

نویسندگان

  • Xiao-Yong Chang
  • Guang-Tao Xu
  • Bei Cao
  • Juan-Yu Wang
  • Jie-Sheng Huang
  • Chi-Ming Che
چکیده

Homo-metallic metal alkynyl complexes exhibit interesting catenane structures, but their hetero-metallic catenane counterparts are under-developed. In this work, we report rare examples of bimetallic Au–Cu (DtbpC^C ligand; Dtbp 1⁄4 3,5-di-tert-butylphenyl), Au–Ag (BuC^C ligand), and Au–Cu, Au–Ag (C6FluoC^C ligand; C6-Fluo 1⁄4 9,9-dihexyl-9H-fluoren-2-yl) complexes as well as a trimetallic Au–Ag–Cu (C6-FluoC^C ligand) complex, which feature [2]catenane structures. The formation of the [2]catenane structure is significantly affected by the coinage metal ion(s) and change of the structure of the alkynyl ligand. These hetero-metallic [2]catenane structures are strongly luminescent with tunable emission lmax from 503 to 595 nm and F values up to 0.83.

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منابع مشابه

Mixed valence mono- and hetero-metallic grid catenanes† †Electronic supplementary information (ESI) available: Details of the CSD database search, additional crystallographic information on 3–6 with relevant tables, EDS analysis and EDS plots. CCDC 1054509–1054512. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c5sc01851j Click here for additional data file. Click here for additional data file.

Here, we report on the multicomponent self-assembly and single crystal X-ray diffraction study of a series of three interlocked mixed valence monoand hetero-metallic [2]-catenanes made of [2 2] metallo-grids. They show unique structural features and highlight the essential roles of both the Cu(II)/Cu(I) pair and of the conformationally adaptable organic ligands for achieving catenation of grids.

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Persistent four-coordinate iron-centered radical stabilized by π-donation† †Electronic supplementary information (ESI) available: Experimental, crystallographic, computational details, and crystal data for 2, 4, 5 and 8. CCDC 1057111–1057113 and 1425703. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c5sc02601f Click here for additional data file. Click here for additional data file.

Institute for Materials Chemistry and Kasugakoen, Kasuga, Fukuoka 816-8580, Ja Department of Chemistry, Graduate Schoo Sendai 980-8578, Japan Institute for Materials Chemistry and En Fukuoka 819-0395, Japan CREST, Japan Science and Technology Fukuoka 816-8580, Japan † Electronic supplementary informati crystallographic, computational details, a 1057111–1057113 and 1425703. For ESI other electro...

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عنوان ژورنال:

دوره 8  شماره 

صفحات  -

تاریخ انتشار 2017