Trinodal Self-Penetrating Nets from Reactions of 1,4-Bis(alkoxy)-2,5-bis(3,2’:6’,3’’-terpyridin-4’-yl)benzene Ligands with Cobalt(II) Thiocyanate
Giacomo Manfroni, Alessandro Prescimone, Stuart R. Batten and 4 more
Crystals · 2019
doi:10.3390/cryst9100529 (opens in a new tab)
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Abstract
The tetratopic ligands 1,4-bis(2-ethylbutoxy)-2,5-bis(3,2’:6’,3’’-terpyridin-4’-yl)benzene (<b>1</b>) and 1,4-bis(3-methylbutoxy)-2,5-bis(3,2’:6’,3’’-terpyridin-4’-yl)benzene (<b>2</b>) have been prepared and characterized by <sup>1</sup>H and <sup>13</sup>C{<sup>1</sup>H} NMR, IR, and absorption spectroscopies and mass spectrometry. Reactions of <b>1</b> and <b>2</b> with cobalt(II) thiocyanate under conditions of crystal growth at room temperature result in the formation of [{Co(<b>1</b>)(NCS)<sub>2</sub>}·MeOH·3CHCl<sub>3</sub>]<i><sub>n</sub></i> and [{Co(<b>2</b>)(NCS)<sub>2</sub>}·0.8MeOH·1.8CHCl<sub>3</sub>]<i><sub>n</sub></i>. Single-crystal X-ray diffraction reveals that each crystal lattice consists of a trinodal self-penetrating (6<sup>2</sup>.8<sup>4</sup>)(6<sup>4</sup>.8<sup>2</sup>)(6<sup>5</sup>.8)<sub>2</sub> net. The nodes are defined by two independent cobalt centres and the centroids of two crystallographically independent ligands which are topologically equivalent.
Abstract licence: CC BY
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