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Varying the dimensionality of Cu(II)-based coordination polymers through solvent influence
- 1.0538609 - FZÚ 2021 RIV CH eng J - Článek v odborném periodiku
Kühne, Irina 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. Roč. 10, č. 10 (2020), s. 1-14, č. článku 893. ISSN 2073-4352. E-ISSN 2073-4352
Institucionální podpora: RVO:68378271
Klíčová slova: MOF * Cu(II) * paddle-wheel * coordination polymer * MTN * zeotype * helical structure
Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.)
Impakt faktor: 2.589, rok: 2020
Způsob publikování: Open access
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.
Trvalý link: http://hdl.handle.net/11104/0316384
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