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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Trikalitis, Pantelis N. Tasiopoulos, Anastasios J. Charalambopoulou, Georgia Kourtellaris, Andreas Steriotis, Theodore A. Tampaxis, Christos Spanopoulos, Ioannis Papaefstathiou, Giannis S. Moushi, Eleni E. |
| Copyright Year | 2016 |
| Abstract | A new Cu2+ complex that was isolated from the initial use of 5-((pyridin-4-ylmethylene)amino)isophthalic acid (PEIPH2) in 3d metal–organic framework (MOF) chemistry is reported. Complex {[Cu3(PEIP)2(5-NH2-mBDC)(DMF)]·7DMF}∞ denoted as Cu-PEIP·7DMF was isolated from the reaction of Cu(NO3)2·2.5H2O with PEIPH2 in N,N-dimethylformamide (DMF) at 100 °C and contains both the PEIP2− ligand and its 5-NH2-mBDC2− fragment. After the structure and properties of Cu-PEIP were known an analogous complex was prepared by a rational synthetic method that involved the reaction of Cu(NO3)2·2.5H2O, 5-((pyridin-4-ylmethyl)amino)isophthalic acid (PIPH2 – the reduced analogue of PEIPH2) and 5-NH2-mBDCH2 in DMF at 100 °C. Cu-PEIP comprises two paddle-wheel [Cu2(COO)4] units and exhibits a 3D-framework with a unique trinodal underlying network and point symbol (4.52)4(42·54·64·83·92)2(52·84). This network consists of pillared kgm-a layers containing a hexagonal shaped cavity with a relatively large diameter of ∼8–9 Å surrounded by six trigonal shaped ones with a smaller diameter of ∼4–5 Å and thus resembles the structure of HKUST-1. Gas sorption studies revealed that Cu-PEIP exhibits a 1785 m2 g−1 BET area as well as high CO2 sorption capacity (4.75 mmol g−1 at 273 K) and CO2/CH4 selectivity (8.5 at zero coverage and 273 K). |
| Starting Page | 1527 |
| Ending Page | 1535 |
| Page Count | 9 |
| File Format | HTM / HTML PDF |
| ISSN | 20521553 |
| Volume Number | 3 |
| Issue Number | 12 |
| Journal | Inorganic Chemistry Frontiers |
| DOI | 10.1039/c6qi00273k |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Subscribed |
| Subject Keyword | BET Carboxylic acid Organic chemistry Dimethylformamide Ligand Chief operating officer Sorption |
| Content Type | Text |
| Resource Type | Article |
| Subject | Inorganic Chemistry |
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