洛阳师范学院学报
洛暘師範學院學報
락양사범학원학보
Journal of Luoyang Teachers College
2010年
2期
49~52
,共null页
娄新华 王志强 张皓 张志杰
婁新華 王誌彊 張皓 張誌傑
루신화 왕지강 장호 장지걸
钴配合物 4,6-二羟基嘧啶 晶体结构 荧光光谱
鈷配閤物 4,6-二羥基嘧啶 晶體結構 熒光光譜
고배합물 4,6-이간기밀정 정체결구 형광광보
cobalt complex; 4; 6-dihydroxypyrimidine; crystal structure; fluorescence spectra
制备了一个新的钴的[Co(C4H3N2CoO2)2(H2O)4](C4H4N2CoO2=4,6-二羟基嘧啶),通过X-射线衍射、热重分析和荧光光谱对配合物的结构和性质进行了测试和表征.晶体结构分析表明,该晶体属于单斜晶系,空间群C2/c,晶胞参数:a=13.528(3)A,b=7.2240(13)A,c=13.001(2)A;α=90°,β=109.448(2)°,γ=90°;V=1198.0(4)A3,μ=1.485mm^-1,Dc=1.958 Mg/m^3,F(000)=724,R=0.0302,wR=0.0894(I〉2σ(I)).在配合物的结构单元中,Co原子与两个4,6-二羟基嘧啶和四个水分子配位,形成略有畸变的拉伸八面体配合物.配合物的结构单元[Co(C4H3N2CoO2)2(H2O)4]之间进一步通过分子间氢键和π-π堆积作用相互交叉连接在一起形成三维超分子化合物.
製備瞭一箇新的鈷的[Co(C4H3N2CoO2)2(H2O)4](C4H4N2CoO2=4,6-二羥基嘧啶),通過X-射線衍射、熱重分析和熒光光譜對配閤物的結構和性質進行瞭測試和錶徵.晶體結構分析錶明,該晶體屬于單斜晶繫,空間群C2/c,晶胞參數:a=13.528(3)A,b=7.2240(13)A,c=13.001(2)A;α=90°,β=109.448(2)°,γ=90°;V=1198.0(4)A3,μ=1.485mm^-1,Dc=1.958 Mg/m^3,F(000)=724,R=0.0302,wR=0.0894(I〉2σ(I)).在配閤物的結構單元中,Co原子與兩箇4,6-二羥基嘧啶和四箇水分子配位,形成略有畸變的拉伸八麵體配閤物.配閤物的結構單元[Co(C4H3N2CoO2)2(H2O)4]之間進一步通過分子間氫鍵和π-π堆積作用相互交扠連接在一起形成三維超分子化閤物.
제비료일개신적고적[Co(C4H3N2CoO2)2(H2O)4](C4H4N2CoO2=4,6-이간기밀정),통과X-사선연사、열중분석화형광광보대배합물적결구화성질진행료측시화표정.정체결구분석표명,해정체속우단사정계,공간군C2/c,정포삼수:a=13.528(3)A,b=7.2240(13)A,c=13.001(2)A;α=90°,β=109.448(2)°,γ=90°;V=1198.0(4)A3,μ=1.485mm^-1,Dc=1.958 Mg/m^3,F(000)=724,R=0.0302,wR=0.0894(I〉2σ(I)).재배합물적결구단원중,Co원자여량개4,6-이간기밀정화사개수분자배위,형성략유기변적랍신팔면체배합물.배합물적결구단원[Co(C4H3N2CoO2)2(H2O)4]지간진일보통과분자간경건화π-π퇴적작용상호교차련접재일기형성삼유초분자화합물.
A new coordination compound [Co(C4H3N2CoO2)2(H2O)4](C4H3N2CoO2= 4,6-dihydroxypyrimidine) has been synthesized,characterized by elemental analysis,infrared spectra,Thermogravimetric analysis,fluorescence spectra,X-ray and diffraction method.Crystal structure data show that the crystal belongs to the monoclinic,space group C2/c,with a = 13.528(3)A,b= 7.2240(13) A,c= 13.001(2)A,α= 90°,β= 109.448(2)°,γ= 90°,V= 1198.0(4)A3,μ= 1.485mm-1,Dc = 1.958 Mg/m^3,F(000) = 724,R= 0.0302,wR = 0.0894(I 2σ(I)) for 3242 observed reflections,with I 2σ(I).In the complex,Co(II) atom is six-coordinated by two N atoms from two 4,6-dihydroxypyrimidine ligands and four O atoms from four water molecules.A three-dimensional supramolecular structure is formed through hydrogen-bonding and π-π packing interactions.