A Tri-μ-O-S-O coordinative manganese dimer: [Mn2(SO4)2(phen)4]oCH3OH (phen= 1,10-phenanthroline) (1) was yielded by the reaction of 1,10-phenanthroline and MnSO4~H20 in a mixed solvent of methanol and aceton...A Tri-μ-O-S-O coordinative manganese dimer: [Mn2(SO4)2(phen)4]oCH3OH (phen= 1,10-phenanthroline) (1) was yielded by the reaction of 1,10-phenanthroline and MnSO4~H20 in a mixed solvent of methanol and acetonitrile under room temperature and was structurally characterized. Single crystal analysis shows that complex 1 has poly- meric structure based on binuclear Mn(II) units bridged by O-S-O groups of two SO2 anion. The UV spectrum of the complex clarifies that each metal-organic building unit parallels with each other through the π-π interactions of face-to-face separations of two 1,10-phen planes among the complex, forming a layered structure. And the elec- tronic paramagnetic resonance (EPR) signal clearly indicates that those manganese atoms in complex 1 are in +2 oxidation states.展开更多
基金Project supported by the National Natural Science Foundation of China (No. 20871085) and the Natural Science Foundation of Beijing (No 2092009).
文摘A Tri-μ-O-S-O coordinative manganese dimer: [Mn2(SO4)2(phen)4]oCH3OH (phen= 1,10-phenanthroline) (1) was yielded by the reaction of 1,10-phenanthroline and MnSO4~H20 in a mixed solvent of methanol and acetonitrile under room temperature and was structurally characterized. Single crystal analysis shows that complex 1 has poly- meric structure based on binuclear Mn(II) units bridged by O-S-O groups of two SO2 anion. The UV spectrum of the complex clarifies that each metal-organic building unit parallels with each other through the π-π interactions of face-to-face separations of two 1,10-phen planes among the complex, forming a layered structure. And the elec- tronic paramagnetic resonance (EPR) signal clearly indicates that those manganese atoms in complex 1 are in +2 oxidation states.