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Varying the Dimensionality of Cu(II)-Based Coordination Polymers Through Solvent Influence

Kühne, Irina A.; Carter, Anthony B.; Kostakis, George E.; Anson, Christopher E.; Powell, Annie K.

This work reports the synthesis and structure of a large porous zeotype network observed within compound (1) using {Cu$_{2}$(piv)$_{4}$} as the linking unit (piv = pivalate). The slow in situ formation of the hmt ligand (hexamethylenetetramine) appears to be key in generating a µ$_{4}$-bridging mode of the hmt-node. Attempts to improve the low yield of compound (1) using different solvent layer diffusion methods resulted in the µ$_{3}$-hmt complexes (2) and (3). Both compounds exhibit a 3D network of two intertwined chiral networks. Strong hydrogen bonding present in (3) leads to the formation of intertwined, DNA-like double-helix structures. The use of bulky solvents in the synthesis of compound (4) leads to the structure crystallizing solvent-free. The packing of (4) is dominated by energy minimization, which is achieved when the 1D-“cylinders” pack into the closest possible arrangement. This work highlights the potential for solvent controlled synthesis of extended copper-hmt systems.

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Verlagsausgabe §
DOI: 10.5445/IR/1000129045
Veröffentlicht am 27.01.2021
DOI: 10.3390/cryst10100893
Zitationen: 1
Web of Science
Zitationen: 1
Zitationen: 1
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Anorganische Chemie (AOC)
Institut für Nanotechnologie (INT)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2020
Sprache Englisch
Identifikator ISSN: 2073-4352
KITopen-ID: 1000129045
HGF-Programm 43.21.04 (POF III, LK 01) Molecular Engineering
Erschienen in Crystals
Verlag MDPI
Band 10
Heft 10
Seiten Art. Nr.: 893
Vorab online veröffentlicht am 02.10.2020
Schlagwörter MOF, Cu(II), paddle-wheel, coordination polymer, MTN, zeotype, helical structure
Nachgewiesen in Web of Science
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