人工晶体学报
人工晶體學報
인공정체학보
2009年
6期
1544-1549
,共6页
杨凤云%韩春英%张丽丹%王磊%李金格
楊鳳雲%韓春英%張麗丹%王磊%李金格
양봉운%한춘영%장려단%왕뢰%리금격
配位聚合物%晶体结构%溶剂热合成
配位聚閤物%晶體結構%溶劑熱閤成
배위취합물%정체결구%용제열합성
coordination polymer%crystal structure%solvothermal synthesis
用溶剂热法合成了稀土-有机配位聚合物{[Ln(H_2O) _2(O_2CCH_2CH_2CO_2) _3]·H_2O}n (Ln=Eu(Ⅲ),Sm(Ⅲ)).采用红外光谱、X射线单晶衍射对其结构进行了表征.结果表明:两个晶体同属于单斜晶系,空间群为C2/c,含铕配位聚合物1的晶体结构参数为:a= 2.000(04) nm,b=0 .7780(02) nm,c=1.387(03) nm,α=90 °,β=121.58(3) °,γ= 90 °,V=1.838(66) nm~3,Z=4,F(000)=1344, M_r= 706.18, D_c= 2.551 Mg/m~3, μ=6.839 mm~(-1), R_1=0.0357, ωR_2=0.1012;含钐配位聚合物2的晶体结构参数为:a = 2.0072(02)nm,b = 0.7822(26)nm,c= 1.3901(61) nm,α = 90°,β = 121.5840°,γ = 90 °,V=1.8593(3) nm~3,Z=4,F(000)=1336,M_r= 70296,D_c= 2.511 Mg/m~3,μ= 6.333 mm~(-1),R_1=0.0210,ωR_2=0.0498.同时研究了它们的固体荧光性能.
用溶劑熱法閤成瞭稀土-有機配位聚閤物{[Ln(H_2O) _2(O_2CCH_2CH_2CO_2) _3]·H_2O}n (Ln=Eu(Ⅲ),Sm(Ⅲ)).採用紅外光譜、X射線單晶衍射對其結構進行瞭錶徵.結果錶明:兩箇晶體同屬于單斜晶繫,空間群為C2/c,含銪配位聚閤物1的晶體結構參數為:a= 2.000(04) nm,b=0 .7780(02) nm,c=1.387(03) nm,α=90 °,β=121.58(3) °,γ= 90 °,V=1.838(66) nm~3,Z=4,F(000)=1344, M_r= 706.18, D_c= 2.551 Mg/m~3, μ=6.839 mm~(-1), R_1=0.0357, ωR_2=0.1012;含釤配位聚閤物2的晶體結構參數為:a = 2.0072(02)nm,b = 0.7822(26)nm,c= 1.3901(61) nm,α = 90°,β = 121.5840°,γ = 90 °,V=1.8593(3) nm~3,Z=4,F(000)=1336,M_r= 70296,D_c= 2.511 Mg/m~3,μ= 6.333 mm~(-1),R_1=0.0210,ωR_2=0.0498.同時研究瞭它們的固體熒光性能.
용용제열법합성료희토-유궤배위취합물{[Ln(H_2O) _2(O_2CCH_2CH_2CO_2) _3]·H_2O}n (Ln=Eu(Ⅲ),Sm(Ⅲ)).채용홍외광보、X사선단정연사대기결구진행료표정.결과표명:량개정체동속우단사정계,공간군위C2/c,함유배위취합물1적정체결구삼수위:a= 2.000(04) nm,b=0 .7780(02) nm,c=1.387(03) nm,α=90 °,β=121.58(3) °,γ= 90 °,V=1.838(66) nm~3,Z=4,F(000)=1344, M_r= 706.18, D_c= 2.551 Mg/m~3, μ=6.839 mm~(-1), R_1=0.0357, ωR_2=0.1012;함삼배위취합물2적정체결구삼수위:a = 2.0072(02)nm,b = 0.7822(26)nm,c= 1.3901(61) nm,α = 90°,β = 121.5840°,γ = 90 °,V=1.8593(3) nm~3,Z=4,F(000)=1336,M_r= 70296,D_c= 2.511 Mg/m~3,μ= 6.333 mm~(-1),R_1=0.0210,ωR_2=0.0498.동시연구료타문적고체형광성능.
The lanthanid-organic coordination polymers of {[Ln(H_2O) _2(O_2CCH_2CH_2CO_2) _3]·H_2O}_n (Ln= Eu(Ⅲ),Sm(Ⅲ)) were synthesized by solvent-thermal methld.The crystal structures were characterized by X-ray diffraction method and FT-IR spectrophotometer.The result indicate that both coordination polymers belong to monoclinic, space group C2/c, with cell parameters of Eu coordination polymer 1:a= 2.000(04) nm,b=0.7780(02) nm,c=1.387(03) nm,α=90 °,β=121.58(3) °,γ=90 °,V=1.838(66) nm~3,Z=4,F(000)=1344,M_r= 706.18, D_c= 2.551 Mg/m~3, μ=6.839 mm~(-1), R_1=0.0357, ωR_2=0.1012;with cell parameters of Sm coordination polymer 2 is a =2.0072(02) nm,b=0.7822(26) nm,c=1.3901(61) nm,α=90°,β =121.5840 °,γ=90 °,V=1.8593(3) nm~3,Z=4,F(000)=1336, M_r= 70296, D_c=2.511 Mg/m~3,μ=6.333 mm~(-1), R_1=0.0210,ωR_2=0.0498. Fluorescence properties had been observed in F-4500 FL spectrophotometer.