以乙酰丙酮(Hacac)、邻菲咯啉(phen)、硝酸根为配体,8-羟基喹啉为酸度调节剂合成出一个系列的镧系轻稀土四元配合物Ln(NO3)2(phen)2(CH3COCHCOCH3)(Ln=La,Ce,Pr,Nd,Sm)。配合物的结构与性质由元素分析,IR,1HNMR和TGA等表征。单晶Ce(NO3)2(phen)2(CH3COCHCOCH3)·H2O结构经由X射线衍射仪分析表明,晶体属单斜晶系,空间群P21/n,晶胞参数为a=1.11017(8)nm,b=0.98401(7)nm,c=1.34453(10)nm,β=102.0530(10)°,V=1.43641(18)nm3,Dc=1.715g·cm-3,Z=2,F(000)=742。配合物呈单核结构,中心离子Ce髥配位数为10。 A series of Ln (NO3) 2 (phen) 2 complexes were synthesized by using acetylacetone (Hacac), phenanthroline and nitrate as ligands and 8-hydroxyquinoline as acidity regulator ) 2 (CH3COCHCOCH3) (Ln = La, Ce, Pr, Nd, Sm). The structure and properties of the complex are characterized by elemental analysis, IR, 1HNMR and TGA. The crystal structure of monocrystal Ce (NO3) 2 (phen) 2 (CH3COCHCOCH3) · H2O by X-ray diffractometer shows that the crystal belongs to the monoclinic space group P21 / n with unit cell parameters of a = 1.11017 (8) nm, b = 0.98401 (7) nm, c = 1.34453 (10) nm, β = 102.0530 (10) °, V = 1.43641 (18) nm3, Dc = 1.715 g · cm-3, 742. Complex was single-core structure, the central ion Ce 髥 coordination number of 10.