A three-component reaction between the 1,4-benzenedicarboxylic (terephthalic) acid (Hbdc), bis(1,2,4-triazol-1-yl)methane (btrm) and zinc nitrate was studied, and three new coordination polymers were isolated by a careful selection of the reaction conditions. Coordination polymers {[Zn(DMF)(btrm)(bdc)]·nDMF} and {[Zn(btrm)(bdc)]·nDMF} containing trinuclear {Zn(bdc)} secondary building units are joined by btrm auxiliary linkers into three-dimensional metal-organic frameworks. The coordination polymer {[Zn(bdc)(btrm)]∙nDMF} consists of Zn cations joined by bdc and btrm linkers into a two-fold interpenetrated network. Upon activation, MOF [Zn(btrm)(bdc)] demonstrated CO/N adsorption selectivity with an ideal adsorbed solution theory (IAST) factor of 21. All three MOF demonstrated photoluminescence with a maximum near 435-440 nm upon excitation at 330 nm.
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| http://dx.doi.org/10.3390/molecules27196481 | DOI Listing |
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