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Citation: YIN Hua, LIU Shi-Xiong. Syntheses and Crystal Structures of Binuclear Manganese Complexes with Mixed Ligands[J]. Chinese Journal of Applied Chemistry, ;2004, 21(4): 369-373. shu

Syntheses and Crystal Structures of Binuclear Manganese Complexes with Mixed Ligands

YIN Hua ,
LIU Shi-Xiong ^,

1.
Central Laboratory, Fuzhou University, Fuzhou 350002

Corresponding author: LIU Shi-Xiong,
Received Date: 20 June 2003
Available Online: 27 November 2003
Fund Project: 福建省自然科学基金(E0110010) (E0110010)

Three binuclear Mn(Ⅲ) complexes[Mn₂(DSH) (acac)₂(EtOH)₂]·2H₂O(1),[Mn₂(DSH)-(acac)₂(H₂O)₂]·2H₂O(2) and[Mn₂(DSH)(acac)₂(py)₂] (3), where DSH(1, 2-disalicyloyl-hydrazine) is the ligand, have been synthesized and characterized by X-ray diffractometry and cyclic voltammetry. Complex 1 crystallizes in triclinic, space group P1, a=1.197 60(6)nm, b=1.208 04(7) nm, c=1.372 98(7) nm, α=89..737(2)°, β=65.900(4)°, γ=68.752(2)°and Z=2. Complex 2 crystallizes in monoclinic, space group P2₁/n,a=1.196 5(1)nm, b=0.823 17(7)nm, c=1.400 1(1)nm, β=101.035(4)°and Z=2. Complex 3 also crystallizes in monoclinic, space group P2₁/n, a=1.183 11(5)nm, b=0.886 93(5)nm, c=1.655 37(8)nm, β=100.581(4)°and Z=2. In all of the three title complexes, there are centrosymmetrical binuclear manganese complex molecules. Each ligand DSH^4- in these complexes bridges the two Mn atoms through its hydrazine N-N group. The manganese atoms in the three complexes have a distorted octahedral geometry.
- crystal structure,
- binuclear manganese complex,
- Schiff base,
- disalicyloylhydrazine
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