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Updated: Jun 1, 2026

Manganese Oxide Nanoparticle Synthesis by Thermal Decomposition of Manganese(II) Acetylacetonate
Published on: June 18, 2020
Diaqua-bis(2-bromo-benzoato-κO)bis-(N,N-diethyl-nicotinamide-κN)manganese(II)
Abstract:
The title Mn(II) complex, [Mn(C(7)H(4)BrO(2))(2)(C(10)H(14)N(2)O)(2)(H(2)O)(2)], is centrosymmetric. The mol-ecule contains two 2-bromo-benzoate (BB) and two diethyl-nicotinamide (DENA) ligands and two water mol-ecules, all ligands being monodentate. The four O atoms in the equatorial plane around the Mn atom form a slightly distorted square-planar arrangement, while the distorted octa-hedral coordination is completed by the two N atoms of the DENA ligands in the axial positions. The dihedral angle between the carboxyl group and the adjacent benzene ring is 79.95 (11)°, while the pyridine and benzene rings are oriented at a dihedral angle of 45.66 (6)°. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into infinite chains.
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