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Layered Hybrid iron Fluorides
oleh: Teng Li, Philip Lightfoot
Format: | Article |
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Diterbitkan: | MDPI AG 2022-10-01 |
Deskripsi
The first examples of layered hybrid iron fluorides are reported. In the reactions carried out, the chain compound (H<sub>2</sub><i>pipz</i>)FeF<sub>5</sub>·H<sub>2</sub>O always occurs as the major phase, with the layered compounds, (H<sub>2</sub><i>pipz</i>)<sub>3</sub>Fe<sub>4</sub>F1<sub>8</sub>·2H<sub>2</sub>O and (H<sub>2</sub><i>pipz</i>)<sub>2</sub>Fe<sub>3</sub>F<sub>13</sub>·H<sub>2</sub>O, being isolated from some reactions as major impurities. The latter two compounds feature two-dimensional sheets of corner-and edge-shared FeIIIF<sub>6</sub> octahedra, resulting in two distinct layer architectures. The compound (H<sub>2</sub><i>pipz</i>)FeF<sub>5</sub>·H<sub>2</sub>O, isolated as the major phase, crystallises with a one-dimensional structure exhibiting zig-zag [FeF<sub>5</sub>]<sub>∞</sub> chains. This work opens up the potential for a much wider family of layered hybrid transition-metal fluorides.