具有强绿色荧光发射效应的2，2′-二硝基4，4′-联苯酸铀(Ⅵ)配聚物

A very complex 3D Uranium(Ⅵ) metal-organic framework was obtained by the hydrothermal treatment of UO₂(NO₃)₂·6H₂O with (R，S)-2，2′-dinitro-biphenyl- 4，4′-dicarboxylic acid (BTNCA) (L) in water at 180 ℃ in Pyrex tubes. The crystal belongs to monoclinic system with space group P2₁/c， and a=0.545 90(3) nm， b=3.676 01(18) nm， c=2.659 81(13) nm， β=91.4060(10)°， V=5.335 9(5) nm³， Z=4. CCDC: 659615.     

6,6''''-二硝基-2,2''''-联苯酸铀(Ⅵ)配聚物

Uranium(Ⅵ) complex {[UO2((R,S)-1,1'-biphenyl-6,6'-dinitro-2,2'-dicarboxylate)(H2O)](H2O)} was obtained by the hydrothermal treatment of UO2(NO3)2·6H2O with (R,S)-6,6'-dinitro-biphenyl-2,2'-dicarboxylic acid(BSNCA) (L) in water at 180 ℃ in Pyrex tube. The crystal belongs to triclinic system, space group P-1, with a=0.903 45(14) nm, b=1.02443(16) nm, c=1.058 95(16) nm, α=90.411(3)°,β=112.934(3)°, γ=92.554(3)°. CCDC: 659613.     

具有强绿色荧光发射效应的2,2''-二硝基4,4''-联苯酸铀(Ⅵ)配聚物

A very complex 3D Uranium(Ⅵ) metal-organic framework was obtained by the hydrothermal treatment tubes. The crystal belongs to monoclinic system with space group P21/c, and a=0.545 90(3) nm, b=3.676 01 (18) nm,c=2.659 81(13) nm,β=91.4060(10)°, V=5.335 9(5) nm3, Z=4. CCDC: 659615.     

一种含阻转异构体的二羧酸铀(Ⅵ)有机-金属配合物

Uranium(Ⅵ) complex [UO₂((R，S)-1，1′-binaphthylene-2，2′-dicarboxylate)(H₂O)] was obtained by the hydrothermal treatment of UO₂(NO₃)₂·6H₂O with (R，S)-1，1′-binaphthylene-2，2′-dicarboxylic acid(BCA) (L) in water at 180 ℃ in Pyrex tube. The crystal belongs to monoclinic system， space group C2/c， with a=1.640 3(3) nm， b=1.196 7(2) nm， c=1.066 3(17) nm， β=104.412(4)°， V=2.027 2(6) nm³， Z=4. CCDC: 659617.     

具有绿色荧光发射效应的氟喹诺酮-铀(Ⅵ)配合物

A uranium(Ⅵ) complex [UO₂(1-ethyl-6,8-difluoro-7-(3-methyl-piperazinium-1-yl)-4-oxo-1,4-dihydro-quin-oline-3-carboxylate)(NO₃)₂] was obtained by the hydrothermal treatment of UO₂(NO₃)₂·6H₂O with lomefloxacin-HCl in water at 80 ℃ in Pyrex tube. The crystal belongs to monoclinic system, space group P2₁/c, with a=1.430(3) nm, b=1.032 1(18) nm, c=1.729(3) nm, β=106.67(3)°, V=2.458(6) nm³, Z=4. This complex is a good green fluorescent material in solid state at room temperature. CCDC: 660959.     

硝酸双-(1，10-二氮杂菲)苯乙酸锌(Ⅱ)配合物的合成和晶体结构

合成了标题化合物晶体。经X射线单晶结构分析确定该化合物晶体的化学结构式为［Zn(phen)₂PAC］NO₃·2HPAC(phen=1,10-二氮杂菲，HPAC=苯乙酸)。结构中Zn(Ⅱ)与一个苯乙酸和二个1，10-二氮杂菲形成不规则八面体配合物，苯乙酸为双齿配位。     

一种铀(Ⅵ)配合物的水热合成、结构与性质

UO₂(EPC)₂ (EPC=5-ethyl-3-pyridinecarboxylate) was synthesized by the hydrothermal reaction of UO₂(NO₃)₂ ·6H₂O with imazethapyr [2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl)-5-ethyl-3-pyridine-carboxylic acid] at 120 ℃, which 2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl group was removed under this condition to result in the formation of 5-ethyl-3-pyridinecarboxylate ligand (EPC). The structure and fluorescent property of the synthesized complex is also reported. CCDC: 645641.     

具有二维网格结构的5-(4-硝基苯基)四唑-锌(Ⅱ)配合物

A zinc(Ⅱ) complex [(5-(4-nitrophenyl)tetrazolato)₂Zn]_n was obtained by the hydrothermal treatment of ZnBr₂ and NaN₃ with 4-nitrobenzonitril in water at 120 ℃ in Pyrex tube. The crystal belongs to orthorhombic system with space group Pbcn, and a=1.040 7(5) nm, b=1.382 1(7) nm, c=2.435 1(13) nm, V=3.503(3) nm³, Z=8. This complex is a good blue fluorescent material in solid state at room temperature. CCDC: 684226.     

2-(1H-1,2,4-三氮唑)乙酸Cu(Ⅱ)配合物的水热合成、晶体结构及性质

A copper(Ⅱ) complex [CuL2] [L=2-(1H-1,2,4-triazol-1-yl)acetic acid] has been synthesized by means of hydrothermal method, and characterized by elemental analysis, IR spectra and X-ray diffraction. Crystal data for this complex: monoclinic, space group P21/n, a=0.481 3(2) nm, b=1.151 1(6) nm, c=0.993 9(5) nm, β=100.528(8)°, V=0.541 4(5) nm3, Z=2, F(000)=318, Dc=1.937 g·cm-3, Final GooF=1.109, R1=0.027 6, wR2=0.075 6. The crystal structure shows the copper(Ⅱ) atom is six-coordinated by two triazole nitrogen atom and four carboxylate group oxygen atom from four distinct L- ligand, thereby forming a 2D network structure. The cyclic voltammetric behavior of the complex was described.     

配合物[Cu2(m-MBA)4(2，2′-bipy)2(H2O)]·H2O的水热合成、晶体结构及电化学分析

A copper(Ⅱ) complex [Cu₂(m-MBA)₄(2，2′-bipy)₂(H₂O)]·H₂O with m-methylbenzoic acid (m-MBA), 2,2′-bipyridine (2,2′-bipy) and water molecule has been synthesized by means of hydrothermal way and characterized. Crystal data for this complex: monoclinic, space group C2/c, a=2.591 8(5) nm, b=1.414 2(3) nm, c=1.790 8(4) nm, β=131.80(3)°, V=4.893 3(17) nm³, D_c=1.379 g·cm^-3, Z=4, F(000)=2 104 , Final GooF=1.034, R₁=0.065 6, wR₂=0.197 6. The crystal structure shows that two neighboring copper(Ⅱ) ions are linked together by two bridging-chelating m-methylbenzoic acid groups, one bridging water molecule, forming a cage structure and the Cu(Ⅱ)-Cu(Ⅱ) bond distance is 0.366 7 nm. Each copper(Ⅱ) ion is coordinated with two nitrogen atoms of one 2,2′-bipyridine molecule and four oxygen atoms from three m-methylbenzoic acid molecules and one water molecule, repectiveley, forming a distorted octahedral coordination geometry. The cyclic voltammetric behavior of the Complex was also investigated. CCDC: 648619.     

铀(Ⅵ)与不对称希夫碱配合物的合成和热分解反应动力学

邻苯二胺与5－氯－2－羟基二苯酮、邻香草醛作用合成了一种不对称希夫碱配体C₂₇H₂₁N₂O₃Cl（H₂L）。在正丁醇和甲醇体系中硝酸铀酰与该配体反应合成了一种固体希夫碱配合物[UO₂(HL)(NO₃)(H₂O)]·H₂O。通过元素分析、IR、UV、¹H NMR、TG-DTG及摩尔电导率分析等手段对合成的配合物进行了表征,用非等温热重法研究了铀(Ⅵ)配合物的热分解反应动力学,推断出第三步热分解的动力学方程为：d α /d t = A · e^{- E/RT} ·3/2[(1- α )^-1/3-1]^-1,得到了动力学参数E和A。并计算出了活化熵△S^¹和活化吉布斯自由能△G^¹。     

邻-(4-甲基苯甲酰基)-苯甲酸双核镉(Ⅱ)配合物的水热合成、晶体结构及热稳定性

<正>羧酸因其具有多样的配位方式、羧基氧原子易参与形成氢键以及本身能减缓抗衡离子效应的负电性而被广泛应用于配合物的合成中[1-4]。目前,研究主要集中于苯甲酸及其衍生物构筑的配合物,而其     

铜(Ⅱ)与2，2′-联吡啶胺(dpa)和3-苯丙酸(HPPr)混配配合物的合成、晶体结构及表征

The new titled complex ［Cu(dpa)(PPr)₂］·2H₂O was prepared and characterized by elementary analyses, IR, molar conductance and differential thermal analyses. The crystal structure was determined by X-ray diffraction. The crystal belongs to triclinic, space group P1, with the crystal cell parameters: a=10.451(2) nm, b=11.126(1) nm, c=11.795(1) nm, α=90.57(1)°, β=90.34(1)°, γ=87.89(1)°, V=1370.6(4) nm³, Z=2, D_c=1.369 g/cm³, R=0.037, R_W=0.038. Four carboxyl oxygen atoms from two PPr^- and two nitrogen atoms from dpa coordinate with Cu(Ⅱ) respectively to form an elongated octahedron.     

二维Cd (Ⅱ)配合物的晶体结构及其对对硝基苯酚、四环素、2，6-二氯-4-硝基苯胺的荧光识别

通过水热反应合成了一种Cd(Ⅱ)配合物,分子式为{(H₂dbim)_0.5[Cd(Hbptc)]·H₂O}_n (1),其中dbim=1-(4-(2,6-二甲基-2H-苯并[d]咪唑-3(3H)-酰基)甲基)苄基)-2,7-二氢-2,5-二甲基-1H-苯并[d]咪唑,H₄bptc=3,3'',4,4''-二苯甲酮四羧酸。配合物1为2D层状结构,点符号为{4⁴·6⁶}。配合物1可用于一些常见环境污染物的荧光识别。研究结果表明,配合物1能有效检测对硝基苯酚、四环素、2,6-二氯-4-硝基苯胺。计算得到对硝基苯酚、四环素和2,6-二氯-4-硝基苯胺对1的猝灭常数分别为2×10²、5.4×10⁴和2×10⁴ L·mol^-1。     

配合物[Cu(o-ABA)2(2，2′-bipy)]·(H2O)的水热合成、晶体结构及电化学性质

The title complex has been synthesized by o-acetamidobenzoic acid and 2,2′-bipyridine(bipy) in the mixture solvent of water and methanol. It crystallizes(C₂₈H₂₆CuN₄O₇, M_r=594.07) in Triclinic space group P1 with a=0.805 3(4) nm, b=0.845 5(4) nm, c=2.001 8(9) nm; α=100.797(8)°, β=93.054(7)°, γ=97.297(7)°, V=1.323 9(10) nm³, D_c=1.490 g·cm^-3, Z=2, F(000)=614. R₁=0.035 9, wR₂=0.080 5. The crystal structure shows that the copper atom is coordinated with four oxygen atoms from two o-acetamidobenzoic acid and two nitrogen atoms from the 2,2′-bipyridine, forming a distorted octahedral coordination geometry. The cyclic voltametric behavior of the complex is also reported. CCDC: 619084.     

3-甲基-4-乙基-5-[2(或4)-吡啶基]-1，2，4-三唑银(Ⅰ)配合物的合成、晶体结构和光学性质

以3-甲基-4-乙基-5-（2-吡啶基）-1,2,4-三唑（L）和3-甲基-4-乙基-5-（4-吡啶基）-1,2,4-三唑（L''）为配体分别合成了2个银(Ⅰ)配合物[Ag2（μ-L）₂L₂（NO₃）₂]（1）和{[Ag₂（μ-L''）₂（H₂O）₂]（NO₃）₂}_n（2）,测定了X射线单晶结构,用红外光谱、荧光和热重等进行了表征。2个配合物都属于三斜晶系,空间群为P1。晶体结构分析表明2个配合物都具有畸变的四面体结构[AgN₃O]。配合物1.是一个双核银(Ⅰ)配合物,NO₃^-参与配位;而配合物2是一个配位聚合物,水分子参与配位。     

18-冠-6六硫氰酸根合铟(Ⅲ)酸钾配合物的分子和晶体结构

对标题配合物{[K(C_(12)H_(24)O_6)][K[(C_(12)H_(24)O_6)(H_2O)]_2}{In(NCS)_6)·2H_2O的单晶进行了X-射线结构分析。     

2-甲基-5-(2-吡啶基)-1,3,4-噁二唑Cu(II),Cd(II)配合物的合成,晶体结构和表征

以2-甲基-5-（2-吡啶基）-1,3,4-噁二唑（L）为配体合成了[Cu₂L₂（μ-Cl）₂Cl₂]（1）和[CdL₂（NO₃）₂]（2）,测定了X射线单晶结构,用红外光谱、紫外光谱、荧光及热重分析进行了表征。配体L和配合物2属于单斜晶系,配合物1属于三斜晶系。L,1和2的空间群分别为P2₁/c,P1和C2/c。配合物1是通过2个氯原子（Cl1,Cl1ⁱ）桥联形成的双桥双核Cu(II)配合物,具有畸变四方锥构型[CuCl₃N₂]。配合物2具有畸变八面体构型[CdN₄O₂]。     

2，2′-二甲氧基-4，4′-联苯二甲酸铜配合物的合成、晶体结构及性质研究

以2,2′-二甲氧基-4,4′-联苯二甲酸(H2L)为配体,采用溶剂热法合成了1个二维结构的铜配合物[Cu4L4(H2O)9]·10H2O(1)。借助IR,TGA,粉末和单晶X-射线衍射对其进行了表征。单晶结构分析表明1属于正交晶系,Pnma空间群,晶胞参数a=1.493 9(3)nm,b=3.051 6(6)nm,c=1.569 4(3)nm。在1的结构中存在4个晶体学不同的四方锥构型铜离子,3个水分子桥连4个铜离子形成一条锯齿形短链,短链间以配体相连为二维层,层间通过分子间氢键形成了三维超分子结构。热重分析表明1在295℃开始发生分解。变温磁化率显示1的铜离子间存在弱的反铁磁性。     

两个N，N′-二(4-甲氧基亚水杨基)丙烷-1，3-二胺的镍(Ⅱ)配合物的合成、晶体结构和热稳定性研究

通过利用相同的原料但不同的合成过程,本文制备了一个单核镍(Ⅱ)配合物[NiL(H2O)](1),和一个三核镍(Ⅱ)配合物[Ni3L2(μ-CH3COO)2](2),其中L是N,N′-二(4-甲氧基亚水杨基)丙烷-1,3-二胺(H2L)的二价阴离子。通过元素分析、红外光谱以及X-射线单晶衍射表征了这2个配合物的结构。本文还研究了这2个配合物的热稳定性。