Kanoo, Prakash ; Reddy, Sandeep Kumar ; Kumari, Gayatri ; Haldar, Ritesh ; Narayana, Chandrabhas ; Balasubramanian, Sundaram ; Maji, Tapas Kumar (2012) Unusual room temperature CO2 uptake in a fluoro-functionalized MOF: insight from Raman spectroscopy and theoretical studies Chemical Communications, 48 (68). pp. 8487-8489. ISSN 1359-7345
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Official URL: http://pubs.rsc.org/en/content/articlelanding/2012...
Related URL: http://dx.doi.org/10.1039/C2CC34276F
Abstract
We herein report an unusual CO2 adsorption behavior in a fluoro-functionalized MOF {[Zn(SiF6)(pyz)2]•2MeOH}n (1) with a 1D channel system, which is made up of pyrazine and SiF62− moieties. Surprisingly, desolvated 1 (1′) adsorbs higher amounts of CO2 at 298 K than at 195 K, which is in contrast to the usual trend. Combined Raman spectroscopic and theoretical studies reveal that slanted pyrazine rings in 1′ with an angle of 17.2° with respect to the (200) Zn(II)–Si plane at low temperature block the channel windows and thus reduce the uptake amount.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 113552 |
| Deposited On: | 23 Apr 2018 12:44 |
| Last Modified: | 23 Apr 2018 12:44 |
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