Crystal structure and molecular packing of an asymmetric giant amphiphile constructed by one C60 and two POSSs |
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| Authors: | Ming-Champ Lin Chih-Hao Hsu Hao-Jan Sun Chien-Lung Wang Wen-Bin Zhang Yiwen Li Hsin-Lung Chen Stephen Z.D. Cheng |
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| Affiliation: | 1. Department of Polymer Science, College of Polymer Science and Polymer Engineering, The University of Akron, Akron, OH 44325-3909, USA;2. Department of Chemical Engineering and Frontier Center of Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsin-Chu 30013, Taiwan;3. Department of Applied Chemistry, National Chiao Tung University, 1001 Ta Hsueh Road, Hsin-Chu 30010, Taiwan;4. Department of Polymer Science and Engineering, College of Chemistry and Molecular Engineering, Center for Soft Matter Science and Engineering, Peking University, Beijing 100871, China |
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| Abstract: | Based on our recent understanding and development of functionalized molecular nanoparticles (MNPs) as building blocks for constructing various giant molecules, we report our efforts on design and synthesis of an asymmetric giant amphiphile, diBPOSS–C60, composed of one [60]fullerene (C60) covalently linked with two isobutyl-functionalized polyhedral oligomeric silsesquioxane (BPOSS) MNPs. Its crystal structure and molecular packing were investigated. The compositional asymmetry between C60 and BPOSS led to a “sandwich-layered” molecular packing scheme, where a single layer of C60 is sandwiched between double BPOSS layers: a so-called “one-and-half-layered” structure. Within these layers, the molecules further organized into crystalline arrays. Interestingly, this compound can be viewed as size amplification of a class of atomically thin, two-dimensional layered transition metal dichalcogenides with the “one-and-half-layered” structure. |
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| Keywords: | Polyhedral oligomeric silsesquioxane Fullerene Amphiphile |
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