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Structural Diversity and Carbon Dioxide Sorption Selectivity of Zinc(II) Metal-Organic Frameworks Based on Bis(1,2,4-triazol-1-yl)methane and Terephthalic Acid.

ABSTRACT: A three-component reaction between the 1,4-benzenedicarboxylic (terephthalic) acid (H2bdc), 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 {[Zn3(DMF)(btrm)(bdc)3]·nDMF}∞ and {[Zn3(btrm)(bdc)3]·nDMF}∞ containing trinuclear {Zn3(bdc)3} secondary building units are joined by btrm auxiliary linkers into three-dimensional metal-organic frameworks. The coordination polymer {[Zn(bdc)(btrm)]∙nDMF}∞ consists of Zn2+ cations joined by bdc2- and btrm linkers into a two-fold interpenetrated network. Upon activation, MOF [Zn3(btrm)(bdc)3]∞ demonstrated CO2/N2 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.

SUBMITTER: Sukhikh TS 

PROVIDER: S-EPMC9571910 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature

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Structural Diversity and Carbon Dioxide Sorption Selectivity of Zinc(II) Metal-Organic Frameworks Based on Bis(1,2,4-triazol-1-yl)methane and Terephthalic Acid.

Sukhikh Taisiya S TS   Filatov Evgeny Yu EY   Ryadun Alexey A AA   Kovalenko Konstantin A KA   Potapov Andrei S AS  

Molecules (Basel, Switzerland) 20221001 19

A three-component reaction between the 1,4-benzenedicarboxylic (terephthalic) acid (H<sub>2</sub>bdc), 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<sub>3</sub>(DMF)(btrm)(bdc)<sub>3</sub>]·nDMF}<sub>∞</sub> and {[Zn<sub>3</sub>(btrm)(bdc)<sub>3</sub>]·nDMF}<sub>∞</sub> containing trinuclear {Zn<sub>3</sub>(bdc)<sub>3</sub>} secondary building unit  ...[more]

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