A novel Cu (Ⅱ) complex of 1-phenyl-3-methyl-4-acyl-5-pyrazolone was synthesized and crystallogra- phically characterized. The single-crystal structure of the complex reveals that the crystal belongs triclinic, space ...A novel Cu (Ⅱ) complex of 1-phenyl-3-methyl-4-acyl-5-pyrazolone was synthesized and crystallogra- phically characterized. The single-crystal structure of the complex reveals that the crystal belongs triclinic, space group P1 with cell parameters a=0.938 7(4) nm, b=1.124 4(5) nm, c=1.222 3(5) nm, α=99.538(7)°, β=104.049(8)°, γ=113.806(6)°, and Z=2, V=1.093 3(8) nm3. Cu(Ⅱ) ion is coordinated by two 1-phenyl-3-methyl-4-acyl-5-pyrazolone ligands, and one methanol molecule giving a coordination number of five, the coordination polyhedron around Cu(Ⅱ) ion can be described as a square pyramid. Two complex units link to each other through the hydrogen-bonding interactions to form a dimer. Meanwhile, a staircase-like layer structure was built up by offset face-to-face π…π stacking interactions and weak interactions between the dimers.展开更多
Using4-[(1-naphthylamino)phenylmethylene]-5-methyl-2-phenyl-2H-pyrazol-3(4H)one(L),its Co (Ⅱ) complex was synthesized and characterized by IR and UV in which the ligand as a-1valence bidentate with Co (Ⅱ) form2∶1co...Using4-[(1-naphthylamino)phenylmethylene]-5-methyl-2-phenyl-2H-pyrazol-3(4H)one(L),its Co (Ⅱ) complex was synthesized and characterized by IR and UV in which the ligand as a-1valence bidentate with Co (Ⅱ) form2∶1complex.X-ray structure analysis indicates that the Co (Ⅱ) ion is coordinated with oxygen atoms of pyrazolinon,nitrogen atoms of imine and oxygen atoms of DMF molecules to form a distorted six-coordination octahedron.π - π reciprocity and aromatic stack interaction are observed.There are no intra-and inter-hydrogen bond in the crys-tal and the complexes are held together by electronic and Van der Waals forces.展开更多
文摘A novel Cu (Ⅱ) complex of 1-phenyl-3-methyl-4-acyl-5-pyrazolone was synthesized and crystallogra- phically characterized. The single-crystal structure of the complex reveals that the crystal belongs triclinic, space group P1 with cell parameters a=0.938 7(4) nm, b=1.124 4(5) nm, c=1.222 3(5) nm, α=99.538(7)°, β=104.049(8)°, γ=113.806(6)°, and Z=2, V=1.093 3(8) nm3. Cu(Ⅱ) ion is coordinated by two 1-phenyl-3-methyl-4-acyl-5-pyrazolone ligands, and one methanol molecule giving a coordination number of five, the coordination polyhedron around Cu(Ⅱ) ion can be described as a square pyramid. Two complex units link to each other through the hydrogen-bonding interactions to form a dimer. Meanwhile, a staircase-like layer structure was built up by offset face-to-face π…π stacking interactions and weak interactions between the dimers.
文摘Using4-[(1-naphthylamino)phenylmethylene]-5-methyl-2-phenyl-2H-pyrazol-3(4H)one(L),its Co (Ⅱ) complex was synthesized and characterized by IR and UV in which the ligand as a-1valence bidentate with Co (Ⅱ) form2∶1complex.X-ray structure analysis indicates that the Co (Ⅱ) ion is coordinated with oxygen atoms of pyrazolinon,nitrogen atoms of imine and oxygen atoms of DMF molecules to form a distorted six-coordination octahedron.π - π reciprocity and aromatic stack interaction are observed.There are no intra-and inter-hydrogen bond in the crys-tal and the complexes are held together by electronic and Van der Waals forces.
