One ligand capable of in situ reaction in a mixed-ligand system with two new different frameworks

Xiaofang Wang, Runwei Wang, Xiaofang Liu, Pinwen Zhu, Shilun Qiu

Research output: Contribution to journalArticlepeer-review

Abstract

The in situ ligand 2,3-pyrazinedicarboxylic acid (2,3-H2pzdc) mixed with 1,1′-(1,4-butanediyl)bis(benzimidazole) (bbbi) is used to form two coordination polymers ([Cd(2,3-pzdc)(bbbi)] (1) and [Cd2Cl3(2-pzc)(bbbi)2] (2)) under hydrothermal conditions. Complex 1 was obtained in the absence of in situ reaction and 2 was synthesized with 2,3-H2pzdc in situ generating 2-pyrazinecarboxylate (2-pzc−). The structural details reveal that 1 has a 3D framework with dia topology, and 2 is a 2D layer structure and develops a 3D supramolecular structure via strong π⋯π stacking interactions. The ligand effects were compared for the two frameworks. In addition, fluorescence properties and thermal stabilities of 1 and 2 in the solid were studied.
Original languageEnglish (US)
Pages (from-to)3971-3981
Number of pages11
JournalJournal of Coordination Chemistry
Volume70
Issue number24
DOIs
StatePublished - Dec 24 2017
Externally publishedYes

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