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Self-assembly of nanoscale cuboctahedra by coordination chemistry.

Abstract：

:Self-assembled polyhedral structures are common in biology. The coats of many viruses, for example, have a structure based on icosahedral symmetry. The preparation of synthetic polyhedral molecular assemblies represents a challenging problem, but supramolecular chemistry has now advanced to the point where the task may be addressed. Macromolecular and supramolecular entities of predefined geometric shape and with well-defined internal environments are potentially important for inclusion phenomena, molecular recognition and catalysis. Here we report the use of self-assembly of molecular units driven by coordination to transition-metal ions to prepare a cuboctahedron from 20 tridentate and bidentate subunits in a single step. The cuboctahedron is an archimedean semiregular polyhedron that combines square and triangular faces. Our self-assembled polyhedral capsules, characterized by NMR and electrospray mass spectrometry, are around 5 nanometres in diameter.

journal_name

Nature

journal_title

Nature

authors

Olenyuk B,Whiteford JA,Fechtenkötter A,Stang PJ

doi

10.1038/19740

keywords:

subject

Has Abstract

pub_date

1999-04-29 00:00:00

pages

796-9

issue

6730

eissn

0028-0836

issn

1476-4687

journal_volume

398

pub_type

杂志文章

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