Toward the Self-Assembly of Metal-Organic Nanotubes Using Metal-Metal and π-Stacking Interactions: Bis(pyridylethynyl) Silver(I) Metallo-macrocycles and Coordination Polymers

被引:66
作者
Kilpin, Kelly J. [1 ]
Gower, Martin L. [1 ]
Telfer, Shane G. [2 ,3 ]
Jameson, Geoffrey B. [2 ]
Crowley, James D. [1 ]
机构
[1] Univ Otago, Dept Chem, Dunedin, New Zealand
[2] Massey Univ, Inst Fundamental Sci, Palmerston North, New Zealand
[3] MacDiarmid Inst Adv Mat & Nanotechnol, Wellington, New Zealand
关键词
MAGNUS GREEN SALT; SHAPE-PERSISTENT MACROCYCLES; RAY CRYSTAL-STRUCTURE; HOST-GUEST FORMATION; CENTER-DOT-PT; SUPRAMOLECULAR CHEMISTRY; MOLECULAR RECOGNITION; METALLOSUPRAMOLECULAR ASSEMBLIES; GOLD NANOPARTICLES; LIQUID-CRYSTALS;
D O I
10.1021/ic1020059
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Shape-persistent macrocycles and planar organometallic complexes are beginning to show considerable promise as building blocks for the self-assembly of a variety of supramolecular materials including nanofibers, nanowires, and liquid crystals. Here we report the synthesis and characterization of a family of planar di- and tri-silver(I) containing metallo-macrocycles designed to self-assemble into novel metal-organic nanotubes through a combination of pi-stacking and metal-metal interactions. The silver(I) complexes have been fully characterized by elemental analysis, high resolution electrospray ionization mass spectrometry (HR-ESI-MS), IR, H-1 and C-13 NMR spectroscopy, and the solution data are consistent with the formation of the metallo-macrocycles. Four of the complexes have been structurally characterized using X-ray crystallography. However, only the di-silver(I) complex formed with 1,3-bis(pyridin-3-ylethynyl)benzene is found to maintain its macrocyclic structure in the solid state. The di-silver(I) shape. persistent macrocycle assembles into a nanoporous chicken-wire like structure, and CIO4- anions and disordered H2O molecules fill the pores. The silver(I) complexes of 2,6-bis(pyridin-3-ylethynyl)pyridine and 1,4-di(3-pyridyl)buta-1,3-diyne ring-open and crystallize as non-porous coordination polymers.
引用
收藏
页码:1123 / 1134
页数:12
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