Polyborate anions templated by cationic transition-metal complexes: [Co(diNOsar)]2[B3O3(OH)4]Cl5.4.75 H2O
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The transition metal complexes [Co(diNOsar)]3+, [Co(en)3]3+, and [Co(dien)2]3+ have been used to template unusual isolated polyborate anions by reaction of basic aqueous solutions containing the cations with B(OH)3 (1:10). The synthesis and characterization (thermal gravimetric analysis/differential scanning calorimetry, infrared spectroscopy, nuclear magnetic resonance, and single-crystal X-ray diffraction) of one such complex [Co(diNOsar)]2[B3O3(OH)4]Cl5.4.75H2O (1) is reported. Compound 1 is a rare example of a salt containing the isolated triborate(1-) anion, and its formation is engineered by the cation, which has extensive H-bond interactions with the anion in its secondary coordination sphere.
Keywords
- Triborate(1-), self-assembly, H-bonds, [Co(diNOsar)]3+, X-ray structure, oxidoborate
| Original language | English |
|---|---|
| Pages (from-to) | 572-575 |
| Journal | Phosphorus, Sulfur and Silicon and the Related Elements |
| Volume | 191 |
| Issue number | 4 |
| Early online date | 6 Feb 2016 |
| DOIs | |
| Publication status | Published - 1 Apr 2016 |
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