Self‐Assembly of a Au 16 Ring via Metal–Metal Bonding Interactions

Metal–metal bonding interactions have been employed as an efficient strategy to generate a number of unique gold(I) metallo‐macrocycles with fascinating functions. The self‐assembly, crystal structure and emission property of novel nest‐like tetramer 1 4 , namely, {[Au 4 (μ‐dppm) 2 (μ‐dctp 2− )](BF...

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Bibliographic Details
Published in:Chemistry, an Asian journal an Asian journal, 2015-05, Vol.10 (5), p.1146-1149
Main Authors: Wang, Ya‐Qing, Jiang, Xuan‐Feng, Li, Hao, Yu, Shu‐Yan
Format: Article
Language:English
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Summary:Metal–metal bonding interactions have been employed as an efficient strategy to generate a number of unique gold(I) metallo‐macrocycles with fascinating functions. The self‐assembly, crystal structure and emission property of novel nest‐like tetramer 1 4 , namely, {[Au 4 (μ‐dppm) 2 (μ‐dctp 2− )](BF 4 ) 2 } 4 ⋅ (CH 3 CN) 2 (dppm=bis(diphenylphosphino)methane, dctp 2− = N , N ′‐bis(dicarbodithioate)‐2,11‐diaza[3.3]paracyclophane) is reported. The complex has been characterized by single‐crystal X‐ray diffraction analysis, 1 H NMR spectroscopy, 13 C NMR spectroscopy, and CSI‐MS spectrometry. The aggregate demonstrates the sixteen gold(I) atoms are arranged in a ring with a circumference of 50.011(68) Å generated by Au I ⋅⋅⋅Au I attractions. UV/visible and luminescence spectroscopy revealed that this Au I ⋅⋅⋅Au I bonded metallo‐macrocycle exhibited yellow phosphorescence.
ISSN:1861-4728
1861-471X
DOI:10.1002/asia.201403448