Structural Variability and Gas Adsorption Properties of Coordination Polymers Constructed with Aromatic Multicarboxylic and Bidentate Ligands

Publisher: John Wiley & Sons Inc

E-ISSN: 1521-3749|641|10|1706-1710

ISSN: 0044-2313

Source: ZAAC-JOURNAL OF INORGANIC AND GENERAL CHEMISTRY (ELECTRONIC), Vol.641, Iss.10, 2015-08, pp. : 1706-1710

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Abstract

AbstractThe self‐assembly reactions of transition metal ions and 1,3,5‐benzenetricarboxylic acid (H3btc) in the presence of auxiliary aromatic bidentate ligands 1,10‐phenanthroline (1,10‐phen) or 4,4′‐bipyridine‐N,N′‐dioxide (4,4′‐bpdo) have isolated four coordination polymers [Co18(btc)10(H2O)6(OH)6(1,10‐phen)6]·14H2O·3DMF (1) and [M3(btc)2(H2O)4(4,4′‐bpdo)]·2H2O·2DMF [M = Co (2), Mn (3), Ni (4)]. Single‐crystal X‐ray diffraction analysis revealed that the M3 clusters in the structure of 1–4 are connected by hydroxyl group oxygen atoms (or oxygen atoms from 4,4′‐bpdo ligands) and carboxyl groups to generate a three‐dimensional framework. The network of final assemblies can be adjusted by varying the type of auxiliary ligands (1,10‐phen, 4,4′‐bpdo). In addition, the gas adsorption properties of 2 are also investigated.

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