Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 135, Issue 44, Pages 16336-16339Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja409033p
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Funding
- BASF SE (Ludwigshafen, Germany)
- Swedish Research Council (VR)
- Swedish Governmental Agency for Innovation Systems (VINNOVA)
- Knut & Alice Wallenberg Foundation
- Wenner-Gren Foundation
- U.S. Department of Energy (DOE) [DE-FG36-08GO18141]
- DOE ARPA-E [DE-AR0000251]
- [3DEM-NATUR]
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The crystal structure of a new covalent organic framework, termed COF-320, is determined by single-crystal 3D electron diffraction using the rotation electron diffraction (RED) method for data collection. The COF crystals are prepared by an imine condensation of tetra-(4-anilyl)methane and 4,4'-biphenyldialdehyde in 1,4-dioxane at 120 degrees C to produce a highly porous 9-fold interwoven diamond net. COF-320 exhibits permanent porosity with a Langmuir surface area of 2400 m(2)/g and a methane total uptake of 15.0 wt % (176 cm(3)/cm(3)) at 25 degrees C and 80 bar. The successful determination of the structure of COF-320 directly from single-crystal samples is an important advance in the development of COF chemistry.
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