期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 135, 期 43, 页码 15986-15989出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja407135k
关键词
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资金
- EU (Advanced ERC Grant SPINMOL)
- EU (FP7 Project HINTS)
- Spanish MINECO [CSD2007-00010, MAT2007-61584, MAT2011-22785, CTQ2011-26507]
- FEDER
- Severo Ochoa [SEB-2012-0267]
- Generalitat Valenciana (Prometeo and ISIC Programs)
- VLC/Campus Program
- MINECO
- [MAT2012-38567-C02-01]
We present a spin-crossover Fe-II coordination polymer with no permanent channels that selectively sorbs CO2 over N-2. The one-dimensional chains display internal voids of similar to 9 angstrom diameter, each being capable to accept one molecule of CO2 at 1 bar and 273 K. X-ray diffraction provides direct structural evidence of the location of the gas molecules and reveals the formation of O=C=O(delta(-))center dot center dot center dot pi interactions. This physisorption modifies the spin transition, producing a 9 K increase in T-1/2.
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