Abstract
A mononuclear complex [Cu(HL·S) 2 (NO 3 ) 2 ] (1) and a one- dimensional coordination polymer [Cu(HL·S)Cl 2 ] n (2) [HL·S = 4-(pyridin-2-ylmethyl)tetrahydro-2H-thiopyran-4-ol] showcase the structure-directing role of the counterions in their formation reaction: monodentate ligation of NO 3 – and Cl – induces an octahedral (with two HL·S per Cu in 1) or trigonal-bipyramidal (with one HL·S per Cu in 2) Cu II coordination environment. In contrast to 1 exhibiting no coordinative metal–sulfur bonds in the crystal lattice (space group P2 1 /c), 2 (P2 1 /c) features intermolecular Cu–S contacts of 2.3188(7) Å. The coordination compounds are thermally stable up to ca. 160 °C. Whereas 1 demonstrates the spin-like behavior of an isolated central Cu II ion, compound 2 exhibits weak antiferromagnetic intra-chain coupling with J ≈ –2.1 cm –1 between neighboring Cu II ions.
| Original language | English |
|---|---|
| Pages (from-to) | 409-415 |
| Number of pages | 7 |
| Journal | Zeitschrift fur Anorganische und Allgemeine Chemie |
| Volume | 645 |
| Issue number | 4 |
| DOIs | |
| State | Published - Feb 28 2019 |
Keywords
- Crystal structure
- Magnetochemistry
- Pyridyl-alcohol
- Sulfur
- Thio–copper bond
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