Synthesis,Characterization and Crystal Structure of Ln（CCl3COO）3·（phen）2·2H2O

Coordination compounds of lanthanide trichloroacetates with 1,10-phenanthroline weresynthesized and characterized as Ln（CCl3COO）3·（phen）2·2H2O（phen=1,10-phenanthroline,Ln=Tb～Lu）by chemical analysis,IR spectra,thermal analysis and crystal X-ray structural analysis.The crystal ofEr（CCl3COO）3·（phen）2·2H2O belongs to monoclinic system,with space group P21/c,a=1.6969（6）nm,b=1.3776（5）nm,c=1.7563（9）nm,β=114.79（9）°,V=3.727（1）nm3,Z=4.