From Tetrahedral Tetraphosphonic Acids E[p‐C6H4P(O)(OH)2]4 (E=C, Si) to Porous Cu‐ and Zn‐MOFs with Large Surface Areas

This study describes the porous MOFs Cu2H4STPPA⋅2 H2O (1⋅2 H2O), Zn2H4STPPA (2) and Zn2H4MTPPA (3) obtained using the tetrahedral linkers tetraphenylmethane tetrakis‐4‐phosphonic acid (H8MTTPA) and tetraphenylsilane tetrakis‐4‐phosphonic acid (H8STPPA) under solvothermal conditions. X‐ray structures...

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Bibliographic Details
Published in:ChemistrySelect (Weinheim) 2017-04, Vol.2 (10), p.3035-3038
Main Authors: Schütrumpf, Alexandra, Bulut, Aysun, Hermer, Nele, Zorlu, Yunus, Kirpi, Erdoğan, Stock, Norbert, Yazaydın, A. Özgür, Yücesan, Gündoğ, Beckmann, Jens
Format: Article
Language:English
Subjects:
Ligand Design
Metal Organic Solids
MOF
Organophosphonates
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Summary:This study describes the porous MOFs Cu2H4STPPA⋅2 H2O (1⋅2 H2O), Zn2H4STPPA (2) and Zn2H4MTPPA (3) obtained using the tetrahedral linkers tetraphenylmethane tetrakis‐4‐phosphonic acid (H8MTTPA) and tetraphenylsilane tetrakis‐4‐phosphonic acid (H8STPPA) under solvothermal conditions. X‐ray structures reveal 3D frameworks with large assessable voids. The percentage void volumes and the specific BET surface areas of 1 (48.7 %, 794 m2/g), 2 (48.1 %, 565 m2/g) and 3 (51.3 %, 927 m2/g) predicted by molecular simulations are among the highest reported for MOFs derived from phosphonic acids. The percentage void volumes and the specific BET surface areas of the MOFs Cu2H4STPPA (1, 48.7 %, 794 m2/g), Zn2H4STPPA (2, 48.1 %, 565 m2/g) and Zn2H4MTPPA (3, 51.3 %, 927 m2/g) obtained from the tetraphenylmethane tetrakis‐4‐phosphonic acid (H8MTTPA) and tetraphenylsilane tetrakis‐4‐phosphonic acid (H8STPPA) under solvothermal conditions are amongst the highest reported for MOFs derived from phosphonic acids
ISSN:2365-6549
2365-6549
DOI:10.1002/slct.201700573