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Complexes <jats:bold>1<\/jats:bold> and <jats:bold>2<\/jats:bold> both contain the `diamond core' motif found previously in a number of iron, copper, and manganese high-valent bis-oxo compounds. The flexibility in the propyl linker in the ligand scaffold of <jats:bold>2<\/jats:bold>, as compared to that of the ethyl linker in <jats:bold>1<\/jats:bold>, results in more elongated Mn\u2014N bonds, as one would expect. The Mn\u2014Mn distances and Mn\u2014O bond lengths support an Mn<jats:sup>IV<\/jats:sup> oxidation state assignment for the Mn ions in both <jats:bold>1<\/jats:bold> and <jats:bold>2<\/jats:bold>. The angles around the Mn centers are consistent with the local pseudo-octahedral geometry.<\/jats:p>","DOI":"10.1107\/s2056989020004557","type":"journal-article","created":{"date-parts":[[2020,6,9]],"date-time":"2020-06-09T08:55:58Z","timestamp":1591692958000},"page":"1042-1046","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Comparison of two Mn<sup>IV<\/sup>Mn<sup>IV<\/sup>-bis-\u03bc-oxo complexes {[Mn<sup>IV<\/sup>(N<sub>4<\/sub>(6-Me-DPEN))]<sub>2<\/sub>(\u03bc-O)<sub>2<\/sub>}<sup>2+<\/sup> and {[Mn<sup>IV<\/sup>(N<sub>4<\/sub>(6-Me-DPPN))]<sub>2<\/sub>(\u03bc-O)<sub>2<\/sub>}<sup>2+<\/sup>"],"prefix":"10.1107","volume":"76","author":[{"given":"Michael K.","family":"Coggins","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexandra N.","family":"Downing","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Werner","family":"Kaminsky","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julie A.","family":"Kovacs","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2020,6,9]]},"reference":[{"key":"cq2034_bb3","unstructured":"Bruker (2007). 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