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Article

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

1
Institut für Anorganische Chemie, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany
2
FZU-Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 8, 182 21 Prague, Czech Republic
3
Department of Chemistry, School of Life Sciences, University of Sussex, Sussex BN1 9QJ, UK
4
Institute of Nanotechnology, Karlsruhe Institute of Technology, Herrmann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
*
Author to whom correspondence should be addressed.
Crystals 2020, 10(10), 893; https://doi.org/10.3390/cryst10100893
Received: 8 September 2020 / Revised: 25 September 2020 / Accepted: 29 September 2020 / Published: 2 October 2020
(This article belongs to the Special Issue Crystal Structure and Thermal Studies of Coordination Compounds)
This work reports the synthesis and structure of a large porous zeotype network observed within compound (1) using {Cu2(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 µ4-bridging mode of the hmt-node. Attempts to improve the low yield of compound (1) using different solvent layer diffusion methods resulted in the µ3-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. View Full-Text
Keywords: MOF; Cu(II); paddle-wheel; coordination polymer; MTN; zeotype; helical structure MOF; Cu(II); paddle-wheel; coordination polymer; MTN; zeotype; helical structure
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MDPI and ACS Style

Kühne, I.A.; Carter, A.B.; Kostakis, G.E.; Anson, C.E.; Powell, A.K. Varying the Dimensionality of Cu(II)-Based Coordination Polymers Through Solvent Influence. Crystals 2020, 10, 893. https://doi.org/10.3390/cryst10100893

AMA Style

Kühne IA, Carter AB, Kostakis GE, Anson CE, Powell AK. Varying the Dimensionality of Cu(II)-Based Coordination Polymers Through Solvent Influence. Crystals. 2020; 10(10):893. https://doi.org/10.3390/cryst10100893

Chicago/Turabian Style

Kühne, Irina A., Anthony B. Carter, George E. Kostakis, Christopher E. Anson, and Annie K. Powell 2020. "Varying the Dimensionality of Cu(II)-Based Coordination Polymers Through Solvent Influence" Crystals 10, no. 10: 893. https://doi.org/10.3390/cryst10100893

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