摘要
用1-苯基-3-甲基-4-苯甲酸基-5-吡唑啉酮(HPMBP)溶液与硝酸镧溶液合成了镧的PMBP络合物-La(PMBP)_3·2H_2O,用X-射线法测定了该络合物的晶体结构和分子结构,晶体属于单斜晶系,c面心格子,C2/c空间群,a=2.4744(5)nm,b=1.6325(7)nm,c=2.5871(4)nm,β=105.44(2)°,V=10.0731nm^3,Z=8,Dc=1.330g·cm^(-3),μ=9.25cm^(-1)。络合物中心离子La(Ⅲ)处于由8个氧原子所构成的四方反棱柱体中心。La-O平均健长为0.2492nm。
The title complex was synthesized, and its structure was determined by X -ray diffraction analysis, The crystal belongs to monoclinic system with α=2.4744(5) nm,6=1. 6325(7)nm, c=2. 5871 (4) nm, β= 105. 44(2)° , V=10. 0731nm3, Z = 8, DC = 1. 330gcm-3, μ=9. 25cm-1, and the space group is C2/c .La(III) lies on the centre of distorted square antiprism by 8 oxygen atoms .The average of La -O bond length is 0. 2492nm.
出处
《烟台师范学院学报（自然科学版）》
1991年第1期55-59,共5页
Yantai Teachers University journal(Natural Science Edition)
关键词
镧
HPMBP
络合物
晶体结构
lanthanum,1- phenyl - 3 - merthyl - 4 - benzoyl- 5 - pyszolone, crystal structure, molecular structure
