Coordination polymers and metal–organic frameworks based on poly(pyrazole)-containing ligands

•CPs and MOFs built up with poly(pyrazole)- and poly(pyrazolate)-based ligands and transition metals.•Thermal behaviour, structural aspects and functional properties of poly(pyrazolyl)-based CPs and MOFs.•Copper, zinc, cobalt, nickel, cadmium, silver and iron CPs and MOFs possessing functional properties of economic, technological and/or environmental interest.

In the past two decades, the vast classes of coordination polymers (CPs) and metal–organic frameworks (MOFs) have received deep attention in both the academic and industrial realms, as they can possess different functional properties of economic, technological and/or environmental interest, such as luminescence, electric conductivity, magnetism, catalytic activity, gas storage or separation, drug delivery – to mention only a few.Within this vast landscape, this review proposes a survey on those transition metal containing CPs and MOFs built up with poly(pyrazole)- and poly(pyrazolate)-based ligands, in which up to three N-donor heterocyclic rings are organized on rigid or flexible cores. The overview has been restricted to the most recurrent transition metals, namely copper, zinc, cobalt, nickel, cadmium, silver and iron. For each material, mentioning of the synthetic method(s) yielding to its isolation is complemented by a description of its thermal behaviour, of the main structural aspects and, whenever investigated, of its functional properties.

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