Studies on Coordination Compounds with Picolinaldehyde N-Oxide Derivatives as Ligands (Ⅰ)--syntheses and Crystal Structures of Cupric Complexes with Bis-Schiff Bases from Picolinaldehyde N-Oxide and Diamines

Abstract

Abstract: Cupric complexes of bis-Schiff bases prepared by condensation of pico-linaldehyde N-Oxide(pio) with ethylene diamine(en) and trimethylene diamine(tn), [Cu(Pioen)H₂O](ClO₄)₂and CCu(Piotn) (H₂O)₂](ClO₄)₂, were synthesised and their crystal structures were determined. The main crystallographic data are as follows. CCu(Pioen)H₂CO(ClO₄)₂, ortborhombic system, space group P2₁2₁2₁, a=7.9534(19)Å, b=9.6768(48)Å, c=26.1037(189)Å, Z=4 , R=0. 0771; CCu(Piotn) (H₂O)₂](ClO₄)₂, ortborhombic system, space group P_nam,a=7.1360 (24)Å, 6=13.7887(42)Å.c=22.2556(81)Å,Z=4, R=0.0491. The intensity data were collected on R3m/Efour-circle diffractometer with Mo Ka radiation. The structures were solved by Patterson method and refined by full matrix least-square method.

Key words: Crystal structure, Coordination compound, Derivatives of picolinalde- hyde N-Oxide

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Zang Yan, Lu Qin, Yin Zhanfeng, Zeng Cheng, Dai Anbang, Zhou Zhongyuan. Studies on Coordination Compounds with Picolinaldehyde N-Oxide Derivatives as Ligands (Ⅰ)--syntheses and Crystal Structures of Cupric Complexes with Bis-Schiff Bases from Picolinaldehyde N-Oxide and Diamines[J]. Chem. J. Chinese Universities, 1989, 10(1): 1.

References

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