Abstract
Hydrothermal reaction of zinc salt with 1,2,4,5-benzenetetracarboxylic acid (H 4 btec) and 2,4,5-tri(4-pyridyl)-imidazole (Htpim) in the presence of NaOH affords a new entangled metal–organic polymer [Zn 2 (btec)(Htpim) 2 ]·2H 2 O ( 1 ). Compound 1 displays a new (2D → 3D) polythreaded network that is obtained for the first time from the self-assembly from 2D bilayer frameworks with dangling lateral arms, in which each large rectangular cavity of one bilayer is threaded by two dangling lateral arms of two adjacent bilayers coming from two opposite directions. The photoluminescence of 1 is also discussed. A new (2D → 3D) polythreaded network, that is obtained for the first time from the self-assembly from 2D bilayer frameworks with dangling lateral arms, is reported, which also defines a trinodal (3,4,6)-connected 3D self-threading network if H-bonds are taken into account. ► Compound 1 represents the first (2D → 3D) polythreaded array assembled by infinite sidearm-containing 2D bilayer frameworks. ► Compound 1 also defines a trinodal (3,4,6)-connected 3D self-threading network if H-bonds are taken into account. ► Compound 1 displays good fluorescent property.
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