An Interdigitated Metalloporphyrin Framework: Two-Dimensional Tessellation, Framework Flexibility, and Selective Guest Accommodation

被引:33
作者
Choi, Eun-Young [1 ]
DeVries, Lucas D. [1 ]
Novotny, Richard W. [1 ]
Hu, Chunhua [2 ]
Choe, Wonyoung [1 ,3 ]
机构
[1] Univ Nebraska, Dept Chem, Lincoln, NE 68588 USA
[2] NYU, Dept Chem, New York, NY 10003 USA
[3] Univ Nebraska, Nebraska Ctr Mat & Nanosci, Lincoln, NE 68588 USA
关键词
METAL-ORGANIC FRAMEWORK; HYDROGEN STORAGE; COORDINATION FRAMEWORK; PORPHYRIN FRAMEWORK; BUILDING-BLOCKS; POROUS MATERIAL; GAS SORPTION; SOLID-STATE; DESIGN; ARCHITECTURES;
D O I
10.1021/cg900816h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A novel porphyrin-based metal-organic framework (MPF-3) Was synthesized by the solvothermal reaction of Zn(NO3)(2)center dot 6H(2)O and meso-tetra(3-pyridyl)porphine in N,N'-dimethylformamide (DMF). Its structure was characterized by single crystal X-ray diffraction and found to be it two-dimensional (2D) interdigitated framework in which DMF solvent molecules reside between the interdigitated layers. The observed 2D topology can be related to the Cairo pentagonal tessellation. X-ray powder diffraction reveals that MPF-3 undergoes a phase transformation when the solvent molecules arc removed by heating. Surprisingly, the original topologies are restored when the desolvated phase is immersed in DMF, thereby demonstrating the flexibility of the framework.
引用
收藏
页码:171 / 176
页数:6
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