Reinvestigation of Reactions of HgPh<inf>2</inf> with Eu and Yb Metal and the Synthesis of a Europium(II) Bis(tetraphenylborate) †
Wiecko, Michal, Guo, Zhifang, Deacon, Glen B., and Junk, Peter C. (2022) Reinvestigation of Reactions of HgPh<inf>2</inf> with Eu and Yb Metal and the Synthesis of a Europium(II) Bis(tetraphenylborate) †. Molecules, 27 (21). 7547.
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Abstract
Europium bis(tetraphenylborate) [Eu(thf)7][BPh4]2⋅thf containing a fully solvated [Eu(thf)7]2+ cation, was synthesized by protolysis of “EuPh2” (from Eu and HgPh2) with Et3NHBPh4, and the structure was determined by single-crystal X-ray diffraction. Efforts to characterize the putative “Ph2Ln” (Ln = Eu, Yb) reagents led to the synthesis of a mixed-valence complex, [(thf)3YbII(μ-Ph)3YbIII(Ph)2(thf)]⋅2thf, resulting from the reaction of Yb metal with HgPh2 at a low temperature. This mixed-valence YbII/YbIII compound was studied by 171Yb-NMR spectroscopy and single-crystal X-ray diffraction, and the oxidation states of the Yb atoms were assigned.
| Item ID: | 77612 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1420-3049 |
| Keywords: | europium, lanthanoid organyls, mercury organyls, tetraphenylborate anion, ytterbium |
| Copyright Information: | © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
| Funders: | Australian Research Council (ARC) |
| Projects and Grants: | ARC funding (DP190100798) |
| Date Deposited: | 21 Feb 2023 21:51 |
| FoR Codes: | 34 CHEMICAL SCIENCES > 3402 Inorganic chemistry > 340203 F-block chemistry @ 100% |
| SEO Codes: | 28 EXPANDING KNOWLEDGE > 2801 Expanding knowledge > 280105 Expanding knowledge in the chemical sciences @ 100% |
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