无机化学学报
無機化學學報
무궤화학학보
JOURNAL OF INORGANIC CHEMISTRY
2010年
1期
120-125
,共6页
镧系稀土配合物%合成%表征%晶体结构
鑭繫稀土配閤物%閤成%錶徵%晶體結構
란계희토배합물%합성%표정%정체결구
lanthanide rare earth complexes%synthesis%characterization%crystal structure
以乙酰丙酮(Hacac)、邻菲啉(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(NO_3)_2(phen)_2(CH_3COCHCOCH_3)(Ln=La,Ce,Pr,Nd,Sm).配合物的结构与性质由元素分析,IR,~1H NMR和TGA等表征.单晶Ce(NO_3)_2(phen)_2(CH_3COCHCOCH_3)·H_2O结构经由X射线衍射仪分析表明,晶体属单斜晶系,空间群P2_1/m,晶胞参数为a=1.110 17(8)nm,b=0.98401(7)nm,c=1.34453(10)nm,β=102.0530(10)°,V=1.43641(18)am3,De=1.715 g·cm~(-3),Z=2,F(000)=742.配合物呈单核结构.中心离子Ce(Ⅲ)配位数为10.
以乙酰丙酮(Hacac)、鄰菲啉(phen)、硝痠根為配體,8-羥基喹啉為痠度調節劑閤成齣一箇繫列的鑭繫輕稀土四元配閤物Ln(NO_3)_2(phen)_2(CH_3COCHCOCH_3)(Ln=La,Ce,Pr,Nd,Sm).配閤物的結構與性質由元素分析,IR,~1H NMR和TGA等錶徵.單晶Ce(NO_3)_2(phen)_2(CH_3COCHCOCH_3)·H_2O結構經由X射線衍射儀分析錶明,晶體屬單斜晶繫,空間群P2_1/m,晶胞參數為a=1.110 17(8)nm,b=0.98401(7)nm,c=1.34453(10)nm,β=102.0530(10)°,V=1.43641(18)am3,De=1.715 g·cm~(-3),Z=2,F(000)=742.配閤物呈單覈結構.中心離子Ce(Ⅲ)配位數為10.
이을선병동(Hacac)、린비람(phen)、초산근위배체,8-간기규람위산도조절제합성출일개계렬적란계경희토사원배합물Ln(NO_3)_2(phen)_2(CH_3COCHCOCH_3)(Ln=La,Ce,Pr,Nd,Sm).배합물적결구여성질유원소분석,IR,~1H NMR화TGA등표정.단정Ce(NO_3)_2(phen)_2(CH_3COCHCOCH_3)·H_2O결구경유X사선연사의분석표명,정체속단사정계,공간군P2_1/m,정포삼수위a=1.110 17(8)nm,b=0.98401(7)nm,c=1.34453(10)nm,β=102.0530(10)°,V=1.43641(18)am3,De=1.715 g·cm~(-3),Z=2,F(000)=742.배합물정단핵결구.중심리자Ce(Ⅲ)배위수위10.
A series of quaternary lanthanide complexes Ln(NO_3)_2(phen)_2(CH_3COCHCOCH_3) (Ln=La,Ce,Pr,Nd,Sm) were synthesized with acetyl acetone (Hacac),1,10-phenanthroline (phen) and nitrate radical as ligands and 8-hydroxyquinoline as the acidity conditionor.The structure and property of complexes were characterized by elemental analysis,IR,~1H NMR spectroscopy and TGA,and the single crystal structure of Ce (NO_3)_2(phen)_2space group P2_1/n,a=1.110 17(8) nm,b=0.984 01 (7) nm,c=1.344 53(10) nm,β=102.053 0(10)°,V=1.436 41(18) Ce(Ⅲ) is 10.CCDC:738798.
