Synthesis and X-Ray Crystal Structure of Hetero-nuclear Gadolinium and Yttrium Complex with Glycine Gd_(4/3)Y_(2/3)(Gly)_6(H_2O)_4(ClO_4)_6·5H_2O

摘要

The title complex was synthesized in an aqueous solution and its crystal structure was determined by X-ray diffraction. The crystal belongs to triclinic with a space group Pi and the cell parameters are: a=1.1523(2)nm, b=1.4086(2)nm, e=1.5573(3)nm, α=96.78(1), β= 102.72(1)°, γ=105.63(1)% V=2.3319(6)nm~3, Z=2, D_(cale)=2.105g/cm~3. In the crystal, the coordination numbers for RE(1) and RE(2) ions are 8 and 9 respectively, and the statistic occupation ratio for Gd(IIl) and Y(III) are 2/3 and 1/3.