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- Title
Heterotrimetallic Mixed‐Valent Molecular Precursors Containing Periodic Table Neighbors: Assignment of Metal Positions and Oxidation States.
- Authors
Han, Haixiang; Carozza, Jesse C.; Colliton, Audra P.; Zhang, Yuxuan; Wei, Zheng; Filatov, Alexander S.; Chen, Yu‐Sheng; Alkan, Melisa; Rogachev, Andrey Yu.; Dikarev, Evgeny V.
- Abstract
A known trinuclear structure was used to design the heterobimetallic mixed‐valent, mixed‐ligand molecule [CoII(hfac)3−Na−CoIII(acac)3] (1). This was used as a template structure to develop heterotrimetallic molecules [CoII(hfac)3−Na−FeIII(acac)3] (2) and [NiII(hfac)3−Na−CoIII(acac)3] (3) via isovalent site‐specific substitution at either of the cobalt positions. Diffraction methods, synchrotron resonant diffraction, and multiple‐wavelength anomalous diffraction were applied beyond simple structural investigation to provide an unambiguous assignment of the positions and oxidation states for the periodic table neighbors in the heterometallic assemblies. Molecules of 2 and 3 are true heterotrimetallic rather than a statistical mixture of two heterobimetallic counterparts. Trinuclear platform 1 exhibits flexibility in accommodating a variety of di‐ and trivalent metals, which can be further utilized in the design of molecular precursors for the NaMM′O4 functional oxide materials.
- Subjects
OXIDATION states; METALS; CHEMICAL elements; TRANSITION metals; NEIGHBORS; COBALT
- Publication
Angewandte Chemie, 2020, Vol 132, Issue 24, p9711
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.202001083