We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Precise Molecular Fission and Fusion: Quantitative Self-Assembly and Chemistry of a Metallo-Cuboctahedron.
- Authors
Xie, Ting-Zheng; Guo, Kai; Guo, Zaihong; Gao, Wen-Yang; Wojtas, Lukasz; Ning, Guo-Hong; Huang, Mingjun; Lu, Xiaocun; Li, Jing-Yi; Liao, Sheng-Yun; Chen, Yu-Sheng; Moorefield, Charles N.; Saunders, Mary Jane; Cheng, Stephen Z. D.; Wesdemiotis, Chrys; Newkome, George R.
- Abstract
Inspiration for molecular design and construction can be derived from mathematically based structures. In the quest for new materials, the adaptation of new building blocks can lead to unexpected results. Towards these ends, the quantitative single-step self-assembly of a shape-persistent, Archimedean-based building block, which generates the largest molecular sphere (a cuboctahedron) that has been unequivocally characterized by synchrotron X-ray analysis, is described. The unique properties of this new construct give rise to a dilution-based transformation into two identical spheres (octahedra) each possessing one half of the molecular weight of the parent structure; concentration of this octahedron reconstitutes the original cuboctahedron. These chemical phenomena are reminiscent of biological fission and fusion processes. The large 6 nm cage structure was further analyzed by 1D and 2D NMR spectroscopy, mass spectrometry, and collision cross-section analysis. New routes to molecular encapsulation can be envisioned.
- Subjects
MOLECULAR self-assembly; NUCLEAR magnetic resonance spectroscopy; POLYHEDRA; OCTAHEDRAL molecules; SUPRAMOLECULAR chemistry; COORDINATE covalent bond
- Publication
Angewandte Chemie, 2015, Vol 127, Issue 32, p9356
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201503609