Synthesis and Crystal Structure of Erbium Nitrate Complex with 6,6'-Bis(diphenylphosphine oxide methyl)-2,2'-bipyridine-1,1'-dioxide

Abstract

Abstract: The erbium nitrate complex with 6,6'-bis(diphenylphosphine oxide methyl)-2,2'-bipyridine-1,1'-dioxide was synthesized and characterized by IRspectra and molar conductance.The crystal and molecular structures of the complex were determined by single crystal X-ray diffraction technique with a four circle diffractometer to give final R and R_w values of 0.0541 and 0.0490.The crystal of the complex is monoclinic with a space group C₂/c.The unit cell parameters are:α=1.9830(4)nm,b=2.3135(4)nm,c=1. 8600(3)nm;β=96.18(2)°,z=4,V=8.484(3)nm³,D_c=1.33g/cm³. The Er³⁺ ion is chelated by four P=Oand four N-O groups from the two organic ligands. All the coordinated water molecules are replaced by the organic ligands.

Key words: 6,6'-Bis(diphenylphosphine oxide methyl)-2,2'-bipyridine-1,1'-dioxide, Erbium nitrate complex, Crystal structure

TrendMD:

FENG Yin-Chang, TANG Yu, TANG Ning, GAN Xin-Min, TAN Min-Yu, YU Kai-Bei. Synthesis and Crystal Structure of Erbium Nitrate Complex with 6,6'-Bis(diphenylphosphine oxide methyl)-2,2'-bipyridine-1,1'-dioxide[J]. Chem. J. Chinese Universities, 1996, 17(11): 1678.

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