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1.
通过水热法合成了2个新的配合物[Cu(cbba)2(im)2] (1)和{[Mn(cbba)2(bipy)(H2O)2]·bipy}n(2)(Hcbba=2-(4′-氯-苯甲酰基)苯甲酸,im=咪唑,bipy=4,4′-联吡啶)。并对其进行了元素分析、红外光谱、热重和X-射线单晶衍射测定。这2个配合物通过氢键或π-π相互作用形成了三维超分子网状结构。  相似文献   

2.
通过水热法合成了2个新的配合物[Mn(cbba)2L2].Hcbba(1)和[Pb(cbba)2(bipy)]n(2)(Hcbba=2-(4′-氯-苯甲酰基)苯甲酸,L=3-(2-吡啶基)吡唑,bipy=4,4′-联吡啶)。并对其进行了元素分析、红外光谱、热重和X-射线单晶衍射测定。  相似文献   

3.
通过水热法合成了2个配位聚合物[Mn(cbba)2(bimb)]n(1)和[Cd(cbba)2(mbix)]2n(2)(Hcbba=2-(4′-氯-苯甲酰基)苯甲酸,bimb=1,4-双(咪唑基-1-基)丁烷,mbix=1,3-双(咪唑基-1-基)苯)。并对其进行了元素分析、红外光谱、热重和X-射线单晶衍射测定。这两个配合物通过氢键或π-π相互作用形成了三维超分子网状结构。此外,还研究了配合物1的紫外光谱和配合物2的荧光性质。  相似文献   

4.
利用3,5-二氨基苯甲酸配体合成了2种新的配合物[Cd(diaba)(phen)2]NO3·H2O(1)和[Zn(diaba)(2,2′-bipy)2](2)(H2diaba=3,5-diaminobenzoic acid;phen=1,10-phenanthroline,2,2′-bipy=2,2′-bipyridine),并对其进行了元素分析、红外光谱和X射线单晶衍射测定。配合物1属于正交晶系,空间群为Fddd,a=1.425 81(7)nm,b=2.564 62(13)nm,c=3.092 47(17)nm。配合物2属于单斜晶系,空间群为C2/c,a=1.273 62 nm,b=1.592 78 nm,c=1.519 35 nm,β=107.334°。配合物1和2都为单核晶体。配合物1的结构单元由1个CdII、1个3,5-二氨基苯甲酸和2个phen构成。配合物2的结构单元由1个ZnII、1个3,5-二氨基苯甲酸和2个2,2′-bipy构成。两种配合物再通过氢键或π-π堆积形成三维超分子网络。研究了配合物的热稳定性和荧光性质。  相似文献   

5.
通过水热法合成了2个新的配合物[Zn(cbba)2(bipy)0.5]n(1)和[Co(cbba)2(bipy)(H2O)2]n(2)(Hcbba=2-(4′-氯-苯甲酰基)苯甲酸,bipy=4,4′-联吡啶)。并对其进行了元素分析、红外光谱、热重和X-射线单晶衍射测定。它们都呈现一维链状结构。  相似文献   

6.
用水热法合成了两种新的配合物[Cd2(e,e-trans-chdc)2(bipy)2(H2O)2].H2O(1)和[Mn2(e,a-cis-chdc)2(phen)2(H2O)2].2H2O(2)(chdc=1,2-环己二羧酸,bipy=2,2′-联吡啶和phen=1,10-邻菲咯啉),用X-射线单晶衍射分析确定了配合物的晶体结构。配合物1和2均为双核分子。配合物1中,2个镉髤离子由2个1,2-环己二羧酸根以e,e-trans配位方式桥联,每个镉髤离子与1个2,2′-联吡啶的2个氮原子、2个1,2-环己二羧酸根的4个氧原子及1个水分子中的氧原子配位,形成了单帽变形三棱柱构型。配合物2中,2个锰髤离子由2个1,2-环己二羧酸根以e,a-cis配位方式桥联,每个锰髤离子与1个1,10-邻菲咯啉的2个氮原子、2个1,2-环己二羧酸根的3个氧原子及1个水分子中的氧原子配位,形成了畸变的八面体构型。配合物1和2分子之间都存在π-π堆积和O-H…O、C-H…O弱作用,进而将双核分子连接成三维超分子网络结构。配合物的荧光均来自于配体的荧光。  相似文献   

7.
以吡啶-2,5-二羧酸(2,5-pyridinedicarboxylic acid,H_2L_1)、噻吩-2,5-二羧酸(Thiophene 2,5-dicarboxylic acid,H_2L_2)为主要配体,4,4′-联吡啶(4,4′-bipy)、菲咯啉(phen)为辅助配体,采用溶剂热法成功合成了3个过渡金属配合物:[Co_2(L_1)_2(bipy)(H_2O)_6]·bipy·H_2O (1)、[Cu(L_2)_2(bipy)_2]n(2)、[Ni_2(L_2)(phen)_2(H_2O)_4](3),并利用X射线单晶衍射法、红外光谱(IR)、荧光光谱(FL)和热重分析(TG/DTG)等测试手段对其进行了表征。单晶结构分析表明:配合物1、配合物2为P1空间群,配合物3为P2/n空间群;配合物1和配合物3为零维双核小分子结构,配合物2为二维层状结构。  相似文献   

8.
采用水热法合成了3种新的配合物[Zn(2,2'-oba)(bipy)_2]·2H_2O(1)、[Pb(2,2'-oba)(phen)]_n(2)和{[Pb(2,2'-oba)(bimbp)]·H_2O}_n(3)(2,2'-H_2oba=2,2'-氧基双(苯甲酸),bipy=2,2'-联吡啶,phen=1,10-菲咯啉,bimbp=4,4'-双(咪唑基)联苯),并用X射线单晶衍射、热重分析、红外光谱和元素分析等手段对其进行了表征。配合物1是一个零维结构,通过芳香环π-π堆积作用和强的分子间O-H…O氢键扩展为二维超分子结构。配合物2展现为一维链状结构,通过芳香环π-π堆积作用扩展为二维层状结构。配合物3呈现了一维双链结构,通过强的分子间O-H…O氢键产生了一个二维超分子结构。此外,对配合物1~3的固态荧光性质进行了研究。根据配合物1的晶体结构,利用TDDFT方法对配合物1的光致发光性能进行了理论计算,计算结果与实验数据吻合较好。  相似文献   

9.
通过水热法,以大茴香酸(Hmba=methoxybenzoic acid)、2,2′-联吡啶(bipy)为配体,合成了2个配合物:[Zn(mba)(bipy)(HCOO)]n(1)和[Cu(mba)(bipy)2]·2Hmba(2),对其进行了红外光谱、热重分析、单晶X射线衍射和荧光光谱等分析。配合物1属单斜晶系,空间群为P2/c,Zn(Ⅱ)离子处在五配位的变形三角双锥环境中。每个HCOO-桥联2个相邻Zn(Ⅱ)离子,形成一维链,然后通过氢键作用和芳环间的π-π堆积延伸一维链为三维网络超分子结构。配合物2属三斜晶系,空间群为P1,Cu(Ⅱ)离子与配位原子构成五配位的变形三角双锥结构。其配合物单元通过芳环间的π-π堆积作用连接为一维超分子链,一维链通过氢键、芳环间的π-π堆积和C-H…π相互作用拓展为三维超分子结构。荧光光谱研究表明,配合物1在327 nm(λmax)处具有强的荧光发射。  相似文献   

10.
本文首次报道了2个钯(Ⅱ)的配合物[Pd(bipy)(4-CH3Bzval-N,O)](1)和[Pd(phen)(4-CH3Bzval-N,O)](2)(bipy=2,2′-联吡啶,phen=1,10-菲咯啉,4-CH3Bzval-N,O=N-(4-甲基苯甲酰)-L-缬氨酸双阴离子)的合成及晶体结构,利用MTT法和SRB法研究了配合物的体外抗肿瘤活性。配合物2属单斜晶系P21/n空间群,其中a=1.162 92(8)nm,b=1.074 03(7)nm,c=1.821 14(12)nm,V=2.232 8(3)nm3,Z=4。结果显示:2个配合物对HL-60,BGC-823,Bel-7402和KB 4种人的肿瘤细胞表现出一定的活性和选择性,但其活性均小于顺铂。  相似文献   

11.
A new metal-organic complex Mn2(cbba)4(phen)2 (Hcbba = 2-(4'-chlorine-benzoyl)- benzoic acid, phen = 1,10-phenanthroline) 1 has been hydrotherrnally synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analyses and IR spectroscopy. The compound crystallizes in orthorhombic, space group Pbcn with α = 12.154(5), b = 18.166(7), c = 31.197(13) A, V = 6887(5) A^3, C80H48Cl4Mn2N4O12, Mr= 1508.90, Dc = 1.455 g/cm^3, μ(MoKα) = 0.591 mm^-1, F(000) = 3080, Z = 4, the final R = 0.0408 and wR = 0.0873 for 4033 observed reflections (I 〉 2σ(I)). In the crystal structure, the manganese atom is six-coordinated with four carboxylate oxygen atoms from three different cbba ligands and two nitrogen atoms from phen ligands, showing a distorted octahedral geometry. Furthermore, it exhibits a 3D supramolecular network through π-π interactions.  相似文献   

12.
A new metal-organic complex Zn2(cbba)4(phen)2 (Hcbba = 2-(4′-chlorine-ben-zoyl)benzoic acid, phen = 1,10-phenanthroline) 1 has been hydrothermally synthesized and structurally characterized by elemental analysis, IR, fluorescence spectrum and single-crystal X-ray diffraction. The compound crystallizes in orthorhombic, space group Pbcn with a = 12.0821(11), b = 18.3140(17), c = 30.961(3), V = 6850.7(11)3, C80H48Cl4N4O12Zn2, Mr = 1529.76, Dc = 1.483 g/cm3, μ(MoKα) = 0.925 mm?1, F(000) = 3120, Z = 4, the final R = 0.0559 and wR = 0.1146 for 3963 observed reflections (I > 2σ(I)). In the crystal structure, the zinc atom is five-coordinated with three carboxylate oxygen atoms from three different cbba ligands and two nitrogen atoms from the phen ligand, showing a distorted square-pyramidal geometry. Furthermore, it exhibits a 3D supramolecular network through π-π interactions and shows yellow photoluminescent property at room temperature.  相似文献   

13.
<正>0 Introduction The rational design and synthesis of metal-directed supramolecular frameworks have received much attention in coordination chemistry because of their interesting molecular topologies and tremendous potential applications in host-guest chemistry  相似文献   

14.
A new metal-organic complex Co2(cbba)4(phen)2(μ2-OH2)(H2cbba=2-(4'-chlorine-benzoyl)benzoic acid,phen=1,10-phenanthroline) 1 has been hydrothermally synthesized and struc-turally characterized by single-crystal X-ray diffraction,elemental analyses,TG and IR spectroscopy.The compound crystallizes in triclinic,space group P1 with a=10.7659(7),b=17.1856(11),c=19.2022(13),α=83.8120(10),β=84.9930(10),γ=87.2070(10)°,V=3515.8(4)3,C80H50Cl4Co2N4O13,Mr=1534.90,Dc=1.450 g/cm3,μ(MoKα)=0.693 mm-1,F(000)=1568,Z=2,the final R=0.0490 and wR=0.1092 for 8216 observed reflections(Ⅰ > 2σ(Ⅰ)).In the crystal structure,the cobalt atom is six-coordinated with three carboxylate oxygen atoms from three different cbba ligands,one oxygen atom from coordinated water molecule and two nitrogen atoms from phen ligand,showing a distorted octahedral geometry.Furthermore,it exhibits a 3D supramolecular network through π-π and hydrogen bonding interactions.  相似文献   

15.
A metal-organic coordination polymer formulated as [Ni(cbba) 2 (bipy)(H 2 O) 2 ] n 1 (H 2 cbba=2-(4-chlorine-benzoyl)benzoic acid,bipy=4,4-bipyridine) has been hydrothermally synthesized and structurally characterized by elemental analysis,IR spectrum,TG and single-crystal X-ray diffraction.The title compound crystallizes in the triclinic system,space group P1 with a=5.4550(4),b=11.4099(8),c=15.3135(11),α=68.7680(10),β=81.3470(10),γ=79.3450(10)o,V=869.48(11) 3,C 38 H 28 Cl 2 N 2 NiO 8,M r=770.23,D c=1.471 g/cm 3,μ(MoKα)=0.768 mm 1,F(000)=396,Z=1,the final R=0.0456 and wR=0.1171 for 2477 observed reflections (I > 2σ(Ⅰ)).It exhibits a one-dimensional chain-like structure.  相似文献   

16.
《Polyhedron》1988,7(5):349-352
The synthesis and characterization are described for compounds abbreviated (a) 1–5: [Pd(phen)(OO)], where OO = the dianion from 1,2-ethanediol (1), (+)-1,2-propanediol (2), (±)-2,3-butanediol (3), (−)-1,2-butanediol (4), catechol (5); (b) the sulphur analogue (6) [Pd(phen)(SCH2CH2S)], from ethane-1,2-dithiol; (c) the platinum analogue (7) [Pt(phen)(OCH2CH2O)]; (d) the 2,2′-bipyridyl analogue (8), [Pd(bipy)(OCH2CH2O)] (phen = 1,10-phenanthroline and bipy = 2,2′-bipyridyl).  相似文献   

17.
Ternary copper(II) complexes involving polypyridyl ligands in the coordination sphere of composition [Cu(tpy)(phen)](ClO4)2 (1), [Cu(tpy)(bipy)](ClO4)2 (2), [Cu(tptz)(phen)](ClO4)2 (3) and [Cu(tptz)(bipy)](BF4)2 (4) where tpy = 2,2':6',2'-terpyridine, tptz = 2,4,6-tri(2-pyridyl)-1,3,5-triazine, phen = 1,10-phenanthroline and bipy = 2,2'-bipyridine have been synthesized and characterized by elemental analysis, magnetic susceptibility, X-band e.p.r. spectroscopy and electronic spectroscopy. Single crystal X-ray of (1) has revealed the presence of a distorted square pyramidal geometry in the complex. Magnetic susceptibility measurements at room temperature were in the range of 1.77-1.81 BM. SOD and antimicrobial activities of these complexes were also measured. Crystal data of (1): P-1, a = 9.3010(7) A, b = 9.7900(6) A, c = 16.4620(6) A, Vc = 1342.73(14) A3, Z = 4. The bond distance of CuN in square base is 2+/-0.04 A.  相似文献   

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