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Synthesis, Crystal Structures and Magnetic Properties of Trinuclear ${Ni_{2}$Ln} $(Ln^{III}$ = Dy, Ho) and ${Ni_{2}$Y} Complexes with Schiff Base Ligands
| Content Provider | MDPI |
|---|---|
| Author | Dermitzaki, Despina Panagiotopoulou, Angeliki Pissas, Michael Sanakis, Yiannis Psycharis, Vassilis Raptopoulou, Catherine P. |
| Copyright Year | 2022 |
| Description | The reaction of the Schiff base ligand $o-OH-C_{6}H_{4}-CH=N-C(CH_{2}OH)_{3}$, $H_{4}$L, with $Ni(O_{2}CMe)_{2}∙4H_{2}$O and lanthanide nitrate salts in a 4:2:1 ratio lead to the formation of the trinuclear complexes $[Ni_{2}Ln(H_{3}L)_{4}(O_{2}CMe)_{2}](NO_{3}$) (Ln = Dy (1), Ho (2), and Y (3)) which crystallize in the non-centrosymmetric space group $Pna2_{1}$. The complex cation consists of the three metal ions in an almost linear arrangement. The ${Ni_{2}$Ln} moieties are bridged through two deprotonated $O_{phenolato}$ groups from two different ligands. Each terminal $Ni^{II}$ ion is bound to two ligands through their $O_{phenolato}$, the $N_{imino}$ atoms and one of the protonated $O_{alkoxo}$ groups in a distorted octahedral. The central lanthanide ion is coordinated to four $O_{phenolato}$ oxygen from the four ligands, and four $O_{carboxylato}$ atoms from two acetates which are bound in the bidentate chelate mode, and the coordination polyhedron is biaugmented trigonal prism, which probably results in a non-centrosymmetric arrangement of the complexes in the lattice. The magnetic properties of 1–3 were studied and showed that 1 exhibits field induced slow magnetic relaxation. |
| Starting Page | 95 |
| e-ISSN | 20734352 |
| DOI | 10.3390/cryst12010095 |
| Journal | Crystals |
| Issue Number | 1 |
| Volume Number | 12 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-01-11 |
| Access Restriction | Open |
| Subject Keyword | Crystals Inorganic Chemistry Heterotrinuclear Complexes Nickel Lanthanides Schiff Base Magnetic Properties Crystal Structure |
| Content Type | Text |
| Resource Type | Article |
