New alkali earth metal-organic frameworks with a very high thermal stability: synthesis, crystal structure, and characterization of AE [NC5H3(CO2)(2)] (AE = Ba or Sr)
- Authors
- Kim, Min Kyung; Ok, Kang Min
- Issue Date
- 21-Jul-2011
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- CRYSTENGCOMM, v.13, no.14, pp 4599 - 4603
- Pages
- 5
- Journal Title
- CRYSTENGCOMM
- Volume
- 13
- Number
- 14
- Start Page
- 4599
- End Page
- 4603
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/21962
- DOI
- 10.1039/c0ce00937g
- ISSN
- 1466-8033
- Abstract
- Two new alkali earth metal-organic framework materials, AE[NC5H3(CO2)(2)] (AE = Ba or Sr), have been synthesized by solvothermal reactions using AE(OH)(2)center dot 8H(2)O, 2,6-pyridinedicarboxylic acid, N,N-dimethylformamide, and water at 180 degrees C. The crystal structures of the reported materials were determined by single-crystal X-ray diffraction. AE[NC5H3(CO2)(2)] exhibits unprecedented three-dimensional framework structures that are composed of diamond-like alkali earth metal ring channels and the pyridinedicarboxylate organic linkers. Interestingly, AE[NC5H3(CO2)(2)] reveals very high thermal stabilities as demonstrated from TGA and powder XRD. Further characterization including infrared spectra, elemental analyses, and gas adsorption experiments is reported.
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