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Manganese Oxide Nanoparticle Synthesis by Thermal Decomposition of ManganeseII Acetylacetonate
Published on: June 18, 2020
Di-aqua-bis-(dl-α-lipoato-κ2 O,O')manganese(II)
Farkhod Raxmatovich Jumabaev1, Avez Tuymuradovich Sharipov1, Vazirakhon Khasanxoja Kizi Mannopova2
1Department of Inorganic, Physical and Colloidal Chemistry, Tashkent Pharmaceutical Institute, 45 Oybek St., Tashkent 100015, Uzbekistan.
Abstract:
The manganese(II) coordination compound, [Mn(C8H13S2O2)2(H2O)2], with two bidentate α-lipoate ligands and two coordinating water mol-ecules, has been structurally characterized. The cantral MnII atom lies on a crystallographic twofold rotation axis and adopts a distorted octa-hedral coordination environment, with carboxyl-ate groups chelating the metal in a κ2 O,O'-binding mode. One of the sulfur atoms within the 1,2-di-thiol-ane ring exhibits positional disorder over two sites, with refined occupancies of 0.92 and 0.08. The complex is isostructural with previously reported ZnII and CdII analogues, both of which also display positional disorder in the 1,2-di-thiol-ane ring. The mol-ecules are linked via inter-molecular O-H⋯O and C-H⋯S hydrogen bonds into a di-periodic supramolecular framework parallel to (100).
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