Abstract
In the polymeric title complex, [MnBr2(C10H8N2)] n , the MnII ion, situated on a twofold axis of symmetry, is six-coordinated in a distorted octa-hedral coordination geometry defined by two N atoms from the chelating 2,2'-bi-pyridine ligand and four bridging Br- anions. The crystal reveals a one-dimensional Br-bridged chain along the c-axis direction with a zigzag topology. In the crystals, contacts between chains include π-π inter-actions between pyridyl rings [inter-centroid separation = 4.082 (1) Å].
Highlights
To a solution of [MnBr2(bipy)2] (0.2713 g, 0.515 mmol) in 2methoxyethanol (30 ml) was added MnBr2Á4H2O (0.1491 g, 0.520 mmol), followed by reflux for 2 h
The Mn ions are bridged by four bromido ligands to form a zigzag chain structure along the c-axis direction so the asymmetric unit of the polymer contains one half of the repeat unit, i.e. MnBr2(bipy); the MnII cation is situated on a twofold axis of symmetry
The distance between adjacent Mn atoms is relatively short with the separation being 3.9656 (3) A
Summary
In the polymeric title complex, [MnBr2(C10H8N2)]n, the MnII ion, situated on a twofold axis of symmetry, is six-coordinated in a distorted octahedral coordination geometry defined by two N atoms from the chelating 2,20bipyridine ligand and four bridging BrÀ anions. The crystal reveals a onedimensional Br-bridged chain along the c-axis direction with a zigzag topology. Contacts between chains include – interactions between pyridyl rings [inter-centroid separation = 4.082 (1) A ]
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