化学研究
化學研究
화학연구
CHEMICAL RESEARCHES
2013年
3期
233-236
,共4页
伦会洁%肖昌玉%李舒%李备蓓%陈奇%李亚敏
倫會潔%肖昌玉%李舒%李備蓓%陳奇%李亞敏
륜회길%초창옥%리서%리비배%진기%리아민
铈(Ⅲ)%配合物%二维层状结构%水热合成%晶体结构
鈰(Ⅲ)%配閤物%二維層狀結構%水熱閤成%晶體結構
시(Ⅲ)%배합물%이유층상결구%수열합성%정체결구
Ce(Ⅲ)%coordination compound%two dimensional layered structure%hydrothermal synthesis%crystal structure
在水热条件下,以Ce(NO3)3·6H2 O和5-氨基间苯二甲酸为原料,合成了一种具有二维层状结构的铈配合物{[Ce(aip)(Haip)(H2O)2]·H2O}n(H2aip =5-aminoisophthalic acid).利用红外光谱和X射线单晶衍射分析表征了其结构.结果表明,标题配合物属于三斜晶系,P-1空间群,晶胞参数为:a =0.69770(8) nm ,b =1.9288(13) nm ,c =1.19626(14) nm ,α=90.209(2)°,β=97.388(2)°,γ=93.246(2)°,V =0.90307(18) nm3,Z =2,Dc=2.032 mg/m3,F(000)=544,R1=0.0245,wR2=0.0622.在该配合物中,中心金属离子Ce(Ⅲ)与氧相连形成九配位构型,并通过π?π堆积和氢键形成三维扩展结构.
在水熱條件下,以Ce(NO3)3·6H2 O和5-氨基間苯二甲痠為原料,閤成瞭一種具有二維層狀結構的鈰配閤物{[Ce(aip)(Haip)(H2O)2]·H2O}n(H2aip =5-aminoisophthalic acid).利用紅外光譜和X射線單晶衍射分析錶徵瞭其結構.結果錶明,標題配閤物屬于三斜晶繫,P-1空間群,晶胞參數為:a =0.69770(8) nm ,b =1.9288(13) nm ,c =1.19626(14) nm ,α=90.209(2)°,β=97.388(2)°,γ=93.246(2)°,V =0.90307(18) nm3,Z =2,Dc=2.032 mg/m3,F(000)=544,R1=0.0245,wR2=0.0622.在該配閤物中,中心金屬離子Ce(Ⅲ)與氧相連形成九配位構型,併通過π?π堆積和氫鍵形成三維擴展結構.
재수열조건하,이Ce(NO3)3·6H2 O화5-안기간분이갑산위원료,합성료일충구유이유층상결구적시배합물{[Ce(aip)(Haip)(H2O)2]·H2O}n(H2aip =5-aminoisophthalic acid).이용홍외광보화X사선단정연사분석표정료기결구.결과표명,표제배합물속우삼사정계,P-1공간군,정포삼수위:a =0.69770(8) nm ,b =1.9288(13) nm ,c =1.19626(14) nm ,α=90.209(2)°,β=97.388(2)°,γ=93.246(2)°,V =0.90307(18) nm3,Z =2,Dc=2.032 mg/m3,F(000)=544,R1=0.0245,wR2=0.0622.재해배합물중,중심금속리자Ce(Ⅲ)여양상련형성구배위구형,병통과π?π퇴적화경건형성삼유확전결구.
A cerium coordination compound ,{[Ce(aip)(Haip)(H2O)2]·H2O}n(H2aip = 5-aminoisophthalic acid) ,was synthesized under hydrothermal condition with Ce (NO3 )3 ·6H2 O and 5-aminoisophthalic acid as the starting materials .The structure of as-synthesized cerium coordination compound was analyzed by means of infrared spectrometry and single-crystal X-ray diffraction . Results show that the title compound belongs to triclinic crystal system of space group P-1 ,with lattice parameters being a = 0 .697 70(8) nm ,b = 1 .928 8(13) nm ,c= 1 .196 26(14) nm ,α= 90 .209(2)° ,β= 97 .388(2)° ,γ= 93 .246(2)° ,V = 0 .903 07(18) nm3 ,Z = 2 ,Dc= 2 .032 mg/m3 ,F(000) = 544 ,R1 = 0 .024 5 ,and w R2 = 0 .062 2 .In terms of the molecular structure of the title compound ,the metal center ion Ce(Ⅲ ) is nine coordinated with oxygen atoms and further linked into three dimensional structure by π?πstacking and hy-drogen-bonding interactions .