期刊
SCIENCE
卷 333, 期 6041, 页码 436-440出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1204369
关键词
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资金
- National Science Foundation [DMR-0906576, CRIF/CHE-0840277]
- Materials Research Science and Engineering Center [DMR-0820341]
- Cariplo Foundation
- ESRF (Grenoble)
- New York University
- National Science Foundation/Department of Energy [NSF/CHE-0822838]
- U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [0822838] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0923251] Funding Source: National Science Foundation
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0840277] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0906576] Funding Source: National Science Foundation
Self-assembly of multiple components into well-defined and predictable structures remains one of the foremost challenges in chemistry. Here, we report on the rational design of a supramolecular cage assembled from 20 ions of three distinct species through 72 hydrogen bonds. The cage is constructed from two kinds of hexagonal molecular tiles, a tris(guanidinium) nitrate cluster and a hexa(4-sulfonatophenyl)benzene, joined at their edges through complementary and metrically matched N-H center dot center dot center dot O-S hydrogen bonds to form a truncated octahedron, one of the Archimedean polyhedra. The truncated octahedron, with an interior volume of 2200 cubic angstroms, serves as the composite building unit of a body-centered cubic zeolite-like framework, which exhibits an ability to encapsulate a wide range of differently charged species, including organic molecules, transition metal complexes, and ship-in-a-bottle nanoclusters not observed otherwise.
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