Citation: WU Ai-Zhi, WANG Tao, ZHU Chen-Chen. Synthesis and Crystal Structures of Two Di-Cu(Ⅱ) Complexes Based on an Asymmetric Dinucleating Ligand[J]. Chinese Journal of Structural Chemistry, ;2014, 33(4): 612-618. shu

Synthesis and Crystal Structures of Two Di-Cu(Ⅱ) Complexes Based on an Asymmetric Dinucleating Ligand

1.
School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou 510006, China

Corresponding author: WU Ai-Zhi,
Received Date: 18 September 2013
Available Online: 16 December 2013

Two new dicopper(Ⅱ) complexes [Cu₂L(OAc)₂](ClO₄)·H₂O (1) and [Cu₂L(BPP)₂]-(ClO₄) (2) using an asymmetric dinucleating ligand HL and auxiliary ligands such as acetate (OAc) and bisphenyl phosphate (BPP) have been synthesized and characterized by elemental analysis, IR and single-crystal X-ray diffraction. Complex 1 crystallizes as blue single crystals that belong to the triclinic crystal system and P1 space group, while complex 2 crystallizes in a monoclinic P2₁/c space group. Single-crystal X-ray diffraction analysis reveals that the two copper ions in complexes 1 and 2 reside within the adjacent ligand compartments and are bridged by the endogenous phenoxo-O from ligand L and the introduction of two desired exogenous carboxylates or phosphates in the bidentate μ-1,3-bridged mode. The coordination geometries of Cu(1) and Cu(2) are both distorted square pyramids.
- crystal structure,
- dicopper(Ⅱ) complexes,
- carboxylate and phosphodiester bridges
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