Poly[diaqua(μ‐4,4′‐bipyridine)tetrakis(μ‐ferrocenecarboxylato)bis(ferrocenecarboxylato)trimanganese(II)] |
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Authors: | Wen‐Jie Lu Yi‐Min Zhu Kai‐Long Zhong |
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Abstract: | The title compound, Mn3Fe6(C5H5)6(C6H4O2)6(C10H8N2)(H2O)2]n, consists of two crystallographically unique MnII centers. One is situated on an inversion center and is octahedrally coordinated by two N atoms from two bridging 4,4′‐bipyridine (4,4′‐bipy) ligands and four O atoms, two from different bridging ferrocenecarboxylate (μ2‐FcCOO?; Fc is ferrocene) units and two from aqua ligands. The two halves of each 4,4′‐bipy ligand are related by a center of symmetry. The second MnII center is in a strongly distorted tetragonal–pyramidal geometry, coordinated by five O atoms, three from three μ2‐FcCOO? units and two from a fourth, chelating, η2‐FcCOO? unit. The FcCOO? units function as bridging ligands to adjacent MnII centers, leading to the formation of linear ?Mn1Mn2Mn2Mn1? chains. Adjacent chains are further bridged by 4,4′‐bipy ligands, resulting in a two‐dimensional layered polymer. |
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