Coordination Polymers
Based on the Trinuclear Triangular
Secondary Building Unit [Cu<sub>3</sub>(μ<sub>3</sub>‑OH)(μ-pz)<sub>3</sub>]<sup>2+</sup> (pz = pyrazolate) and Succinate Anion
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Abstract
Reaction conditions (solvent, temperature, pressure)
and reagents
ratios control the formation of different products from the reactions
involving Cu<sup>II</sup>, pyrazole (Hpz), and succinate ion (Suc).
Three different coordination polymers (CPs) (one of which porous)
based on the trinuclear triangular Cu<sub>3</sub>(μ<sub>3</sub>-OH)(μ-pz)<sub>3</sub> secondary building unit (SBU), as well
as a 1D CP based on the Cu(Hpz)<sub>2</sub> SBU were obtained. Moreover,
a 3D supramolecular network, formed through quite strong H-bonding
interactions involving the mononuclear Cu(HSuc)<sub>2</sub>(Hpz)<sub>4</sub> complex, was also synthesized when an excess of H<sub>2</sub>Suc was added
