Controlled interpenetration of 44 networks: syntheses and structures of two Cu3‐cluster coordination polymers
The reaction of copper nitrate and triethanolamine with benzene‐1,4‐dicarboxylic acid (bdcH2) or 4,4′‐[1,4‐phenylenebis(oxy)]dibenzoic acid (podaH2) leads to the formation of poly[bis(μ4‐benzene‐1,4‐dicarboxylato‐κ4O1:O1′:O4:O4)bis{μ2‐[bis(2‐hydroxyethyl)amino]ethanolato‐κ4N,O,O′,O′′:κO}tricopper(II...
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Veröffentlicht in: | Acta crystallographica. Section C, Crystal structure communications Crystal structure communications, 2018-11, Vol.74 (11), p.1540-1546 |
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Zusammenfassung: | The reaction of copper nitrate and triethanolamine with benzene‐1,4‐dicarboxylic acid (bdcH2) or 4,4′‐[1,4‐phenylenebis(oxy)]dibenzoic acid (podaH2) leads to the formation of poly[bis(μ4‐benzene‐1,4‐dicarboxylato‐κ4O1:O1′:O4:O4)bis{μ2‐[bis(2‐hydroxyethyl)amino]ethanolato‐κ4N,O,O′,O′′:κO}tricopper(II)], [Cu3(C8H4O4)2(C6H14NO3)2] or [Cu3(μ4‐bdc)2(teaH2)2] (I), and poly[bis{μ4‐4,4′‐[1,4‐phenylenebis(oxy)]dibenzoato‐κ4O:O′:O′′:O′′}bis{μ2‐[bis(2‐hydroxyethyl)amino]ethanolato‐κ4N,O,O′,O′′:κO}tricopper(II)], [Cu3(C20H12O6)2(C6H14NO3)2] or [Cu3(μ4‐poda)2(teaH2)2], (II). The two representative compounds contain a well‐established Cu3 cluster supporting a given 44 network. The ligand length is the underlying factor that controls the degree of interpenetration. Controlled interpenetration can be facile to realise by elongating protocols. Compound I shows a non‐interpenetrating 44 network, whereas II features a threefold interpenetrating network. Furthermore, similar hydrogen‐bond interactions extend the different interpenetrating 44 networks into three‐dimensional supramolecular topologies. Variable‐temperature magnetic studies showed a ferromagnetic coupling behaviour in the two complexes.
This work explores the controlled interpenetration of 44 networks in two Cu3‐cluster coordination polymers. |
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ISSN: | 2053-2296 0108-2701 2053-2296 1600-5759 |
DOI: | 10.1107/S2053229618014262 |