Abstract
The synthesis of diaqua(1,10-phenanthroline-N,N′)(thiosulfato-O,S)manganese(ll) [Mn(phen)(S2O3)(H2O)2] was investigated. Its structure was determined by single crystal X-ray diffraction from 2418 reflections (I > 3 σ(I)) to a final value of R = 0.047 and Rw = 0.054. Crystal data are as follows : space group P21; a = 10.356(3), b = 7.097(3), c = 20.316(2) Å, β = 94.29(2)°, V = 1489.1(8) , Å3, Z = 2. There are two independent title compounds in the asymetric unit. Each manganese atom has a distorted octahedral Mn(SO)N2O2 geometry with the S and O atoms (from two neighbouring thiosulfate ligands) mutually trans, two N atoms from the 1,10-phenanthroline ligand and two water oxygen. The thiosulfate group behaves as a bridging ligand, connecting, through sulfur and oxygen, Mn atoms related by the binary b translation, thus forming infinite chains running parallel to this axis. Infrared and electronic spectra are reported.
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