{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,13]],"date-time":"2025-10-13T20:05:44Z","timestamp":1760385944402,"version":"build-2065373602"},"reference-count":57,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2022,11,3]],"date-time":"2022-11-03T00:00:00Z","timestamp":1667433600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000923","name":"Australian Research Council","doi-asserted-by":"publisher","award":["DP190100798"],"award-info":[{"award-number":["DP190100798"]}],"id":[{"id":"10.13039\/501100000923","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Europium bis(tetraphenylborate) [Eu(thf)7][BPh4]2\u22c5thf containing a fully solvated [Eu(thf)7]2+ cation, was synthesized by protolysis of \u201cEuPh2\u201d (from Eu and HgPh2) with Et3NHBPh4, and the structure was determined by single-crystal X-ray diffraction. Efforts to characterize the putative \u201cPh2Ln\u201d (Ln = Eu, Yb) reagents led to the synthesis of a mixed-valence complex, [(thf)3YbII(\u03bc-Ph)3YbIII(Ph)2(thf)]\u22c52thf, 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.<\/jats:p>","DOI":"10.3390\/molecules27217547","type":"journal-article","created":{"date-parts":[[2022,11,4]],"date-time":"2022-11-04T04:00:51Z","timestamp":1667534451000},"page":"7547","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Reinvestigation of Reactions of HgPh2 with Eu and Yb Metal and the Synthesis of a Europium(II) Bis(tetraphenylborate)"],"prefix":"10.3390","volume":"27","author":[{"given":"Michal","family":"Wiecko","sequence":"first","affiliation":[{"name":"School of Chemistry, Monash University, Clayton, VIC 3800, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhifang","family":"Guo","sequence":"additional","affiliation":[{"name":"College of Science & Engineering, James Cook University, Townsville, QLD 4811, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6966-6121","authenticated-orcid":false,"given":"Glen B.","family":"Deacon","sequence":"additional","affiliation":[{"name":"School of Chemistry, Monash University, Clayton, VIC 3800, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0683-8918","authenticated-orcid":false,"given":"Peter C.","family":"Junk","sequence":"additional","affiliation":[{"name":"College of Science & Engineering, James Cook University, Townsville, QLD 4811, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,11,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"6040","DOI":"10.1021\/acs.chemrev.1c00842","article-title":"Rare Earth Starting Materials and Methodologies for Synthetic Chemistry","volume":"122","author":"Ortu","year":"2022","journal-title":"Chem. 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