Synthesis,Crystal Structure and Theoretical Calculations of a Cadmium Complex Containing 3-Hydroxybenzoic Acid and 1,4-Bis(imidazol-1-yl)-butane

A new complex [Cd（hba）2（bib）]n·nH2O（1,Hhba = 3-hydroxybenzoic acid,bib = 1,4-bis（imidazol-1-yl）-butane） has been hydrothermally synthesized and characterized by elemental analysis,IR spectrum,thermogravimetric analysis,fluorescence spectrum,and singlecrystal X-ray diffraction.Yellow crystal crystallizes in the orthorhombic system,space group Pbca with a = 16.220（5）,b = 14.980（5）,c = 20.521（5） ？,V = 4986（3） ？~3,C（24）H（26）CdN4O7,Mr = 594.89,Dc = 1.585 g/cm^3,μ（Mo Kα） = 0.927 mm^（-1）,F（000） = 2416,Z = 8,the final R = 0.0242 and w R = 0.0589 for 4076 observed reflections（I 〉 2s（I））.In 1,the Cd（Ⅱ） ion takes a six-coordination mode,and bib ligand bridges adjacent Cd（Ⅱ） ions to generate 1D zigzag chains; these neighboring chains are connected by O–H···O hydrogen bonding interactions,producing a 2D folded layered structure.Furthermore,by O–H···O hydrogen bonding between layers and layers,a 3D supramolecular architecture is formed.In addition,we analyzed Natural Bond Orbital（NBO） in using the PBE0/LANL2 DZ method built in Gaussian 03 Program.The calculation results indicated obvious covalent interaction between the coordinated atoms and Cd（Ⅱ） ion.

1D Lanthanide Coordination Polymers Based on 3-(Pyridin-4-yl)benzoic Acid: Syntheses, Structures and Luminescent Properties

ABSTRACT Four novel 1D lanthanide coordination polymers with formula [Ln（3,4-pybz）3（HzO）2. H2O]n （Ln = 1 Sm; 2 Eu; 3 Tb; 4 Dy, 3,4-Hpybz = 3-（pyridin-4-yl）benzoic acid） have been synthesized by hydrothermal reactions of lanthanide oxide and 3-（pyridine-4-yl） benzoic acid. Single-crystal X-ray diffraction shows that the four compounds are isostructural. They all crystallize in a monoelinic system, space group P1^-. They have a doubly carboxylate-bridged infinite-chain structure with alternating Ln-（carboxylate）2-Ln linkages and one chelating carboxylate group on each metal center. The Ln ion also combines to two water molecules to form an eight-coordinate square antiprismatic geometry. The pyridine nitrogen atoms of the ligand do not coordinate to the metal centers but direct the formation of a 3D network through hydrogen bonding with coordinated water molecules. The photoluminescent properties of 2 and 3 have been also studied.

Metal-organic frameworks derived from divalent metals and 4-(1H-1, 2, 4-triazol-1-yl)benzoic acid

Two inorganic-organic coordination polymers, [Cd(TBA)2]·3H2O (1) and [Cu(TBA)2]·2H2O (2) have been synthesized by reaction of the metal ions of Cd(II) and Cu(II) with the ligand HTBA [HTBA = 4- (1H-1, 2, 4-triazol-1-yl)benzoic acid] under solvothermal condition. The compounds were characterized by single-crystal X-ray diffraction, elemental analysis, IR spectroscopy, X-ray powder diffraction (XRPD), and thermo gravimetric analysis (TGA). The structural analyses reveal the two independent polymers exhibit different structures. Complex 1 exhibits a 3D framework with 1D channels, and complex 2 shows a 2-fold interpenetrating 3D diamond net.

A One-dimensional Cd(Ⅱ)Coordination Polymer Constructed from 1,4-Benzene-dicarboxylic Acid and 3-(2,6-Di(pyrazin-2-yl)pyridin-4-yl)-1H-indole:Synthesis,Structure and Photoluminescence

A new coordination polymer {[Cd（C_（21）H_（14）N_6）（C_8H_4O_4）]·H_2O}_n（1） was synthesized by an elaborate design via the reaction of 3-（2,6-di（pyrazin-2-yl）pyridin-4-yl）-1H-indole（bppi）,1,4-benzene-dicarboxylic acid（H2bdc） and cadmium（Ⅱ） nitrate in CH_3OH/H_2O mixed solvents. Complex 1 crystallizes in orthorhombic,space group Ccca with a = 20.012（4）,b = 31.881（6）,c = 19.808（4） ？,V = 12638（4） ？~3,Z = 16,C_（29）H_（20）CdN_6O_5,M_r = 644.91,D_c = 1.356 g·cm^（-3）,μ = 0.735 mm^（-1）,F（000） = 5184,GOOF = 1.046,the final R = 0.0405 and wR = 0.1063 for 6870 observed reflections（I 〉 2σ（I））. The Cd（Ⅱ） centre is hepta-coordinated by three N and four O atoms from one bppi terminal ligand and two bdc2– ligands,respectively,displaying a capped trigonal prism geometry. Structure extension gives coordination polymeric chains,in which the bdc2– linkers connect Cd（Ⅱ） cations into a one-dimensional（1D） coordination polymer along the c axis,giving zigzag chains with the Cd···Cd separation of 11.178（1） ？. The adjacent bppi terminal ligands in the chains are anti-periplanar conformation. The three-dimensional（3D） structure is stabilized by π···π stacking and hydrogen-bonding interactions to form a supramolecular self-penetrating network with 1D channels. In 1,there are voids 2999.7 ？~3 with 23.7% of per unit cell volume. Thermal analysis indicates that the framework of 1 is stable until 651 K and the photoluminescence of 1 in the solid shows very weak fluorescence at 382 and 560 nm upon excitation at 310 nm.

A Zn(Ⅱ) Coordination Polymer Based on a Flexible Polycarboxylate Ligand 5-(4-Hydroxypyridinium-1-ylmethyl)-isophthalic Acid: Synthesis, Structure, and Property

A Zn（Ⅱ） supramolecular coordination polymer, {[Zn2（L）2（m-bix）（H20）]6H2O}n（1）, with an interesting 1D→2D polythreading array from a flexible and angular organic aromaticpolycarboxylate ligand 5-（4-hydroxypyridinium-l-ylmethyl）isophthalic acid （H2L）, and N-donorligand 1,3-bis（imidazol-l-ylmethyl）benzene （m-bix）, has been obtained under hydrothermalconditions and characterized by elemental analysis, powder X-ray diffraction （PXRD）, IR, thermalgravimetric analyses （TGA） and single-crystal X-ray diffraction. In 1, the Zn（Ⅱ） center has twocoordination geometries. One exhibits a trigonal bipyramidal coordination sphere, and the other isa tetrahedral geometry; L2- has two different coordination modes, with one connecting three Zn（Ⅱ）ions through two monodentate carboxylate groups and the monodentate hydroxyl group, and theother bridging two Zn（Ⅱ） ions through two carboxylate groups. The L2- anions connect the Zn（Ⅱ）centers forming an infinite 1D tubular structure. These 1D tubes are interconnected by the m-bixspacers to form a 2D framework. Such 2D layers are further assembled into a 3D supramolecularnetwork via hydrogen bonds. Meanwhile, the luminescent property of 1 has also been investigatedin detail.

Synthesis, Crystal Structure and Properties of a New Coordination Polymer Constructed with 3-(4-hydroxypyridinium-1-yl)phthalic Acid

A new nickel coordination polymer {[Ni（dpa）（bpe）（H2O）]2}n（1） has been hydro-thermally synthesized, and structurally characterized by UV spectroscopy, elemental analyses and single-crystal X-ray diffraction（H2dpa=3-（4-hydroxypyridinium-1-yl） phthalic acid, bpe=μ-1,2-di（4-pyridyl） ethylene）. It crystallizes in the triclinic system, space group P1 with a=8.779（2）, b=10.909（3）, c=12.739（3）, α=72.45（2）, β=75.13（2）, γ=86.47（2）°, V=1124.1（5） 3, Z=2, Mr=516.14, Dc=1.525 g/cm3, μ=0.912 mm-1, Rint=0.0532, F（000）=532, the final R=0.0523 and wR=0.1089 for 3949 observed reflections（I〉2σ（I））. The coordination around the Ni center is a distorted octahedron coordination geometry involving two protonated H2dpa ligands, two bpe ligands, and one coordinated H2O molecule. The dpa2- anion, as a bridging ligand, connects two Ni centers to form binuclear units, which are linked together by the bpe ligands to form two-dimensional layers, and the interlayer hydrogen bonding further extends the 2D sheet into a 3D supramolecular framework.

A Y(Ⅲ)-organic Coordination Polymer Constructed from 2-(Pyridine-4-yl)-1H-imidazole-4,5-dicarboxylate and Oxalate Ligands: Structure and Luminescent Property

A novel compound, {[Y（HPIDC）（OX）1/2（H2O）]·2H2O}n （1, H3PIDC = 2-（pyridin-4- yl）-1H-imidazole-4,5-dicarboxylic acid, H2OX = oxalic acid）, has been synthesized under hydrothermal conditions and characterized by thermal analysis （TGA）, powder X-ray diffraction （PXRD）, and single-crystal X-ray diffraction. Complex 1 crystallizes in monoclinic space group P21/c with a = 8.342（8）, b = 14.61（1）, c = 11.487（1）, β = 90.78（9）°, V = 1400.4（2）3, Z = 4, C11H11N3O9Y, Mr = 418.14, Dc = 1.983 g/cm3, F（000） = 836, Rint = 0.0509, T = 293（2） K, μ = 4.240 mm-1, the final R = 0.0477 and wR = 0.1125 for 2770 observed reflections with I 2σ（I）. Compound 1 exhibits a 3D framework and generates the 1D open channels filled with free water molecules. The structure of 1 can be rationalized as a diamondoid network when the atom yttrium is regarded as a 4-connected node linking four surrounding yttrium atoms. The luminescent property of compound 1 is also investigated.

4-(咪唑-1-基)苯甲酸镉配合物的合成和晶体结构

在水热条件下,用4-(咪唑-1-基)苯甲酸和Cd(NO3)2.4H2O为原料,制备了一种三维超分子配合物[Cd(C10H7N2O2)2.(H2O)4]n,并经X射线衍射分析确定了其单晶结构.该晶体属于单斜晶系,P2/c空间群,晶胞参数a=1.234 9(5)nm,b=1.110 5(5)nm,c=0.801 4(5)nm,β=96.482(5)°,V=1.092 0(9)nm3,Z=2,Dc=1.699 g.cm-3,F(000)=564,wR=0.032.结果表明,在配合物的基本结构单元[CdL2(H2O)4]中,Cd(Ⅱ)离子处于变形八面体配位环境中,配体中的N原子参与配位,而羧基中的O原子完全用于形成氢键.配合物单元之间通过氢键相互连接,形成了无限延伸的三维超分子网状结构.

基于4-(1-咪唑基)苯甲酸配体构筑的一个单一配体和两个混和配体配位聚合物的结构与性质(英文)

以4-(1-咪唑基)-苯甲酸(HIBA)为配体,与Cu(NO_3)2·6H_2O和Cd(Ac)_2·2H_2O在加入或不加入5-硝基间苯二甲酸(H_2NPA)的情况下,通过水热法得到了3个新的配位聚合物,分别为{[Cu(IBA)_2]·DMF}n(1)、{[Cd(IBA)2(H_2O)]·3H_2O}n(2)和[Cd_3(IBA)_2(NPA)_2]n(3)。配合物1和2分别为4重和3重穿插的具有金刚石拓扑网络的三维框架结构,配合物3是由混合配体形成的基于一维Cd-羧基次级构筑基元的三维框架结构,其一维构筑基元由Cd髤离子通过IBA-和NPA2-配体同时桥联形成的。此外,还表征了这些化合物的晶相纯度以及配合物2和3的荧光性质。

Syntheses, Structures, and Properties of Three Coordination Polymers: [Cd_2(bpp)_(1.5)(Hbpp)(phen)_2]_n, [Mn_3(Htptc)_2(phen)_2(H_2O)_2]_n, and {[Cu(btc)_(0.5)(1,4-bib)]·2H_2O}_n

Hydrothermal reactions of three aromatic polycarboxylic acids and the transitional metal cations in the presence of phen and 1,4-bib afford three new coordination polymers： [Cd2（bpp）1.5（Hbpp）（phen）2]n （1）, [Mn3（Htptc）2（phen）2（H2O）2]n （2）, and {[Cu（btc）0.5（1,4- bib）]·2H2O}n（3） （H2bpp = 2,6-bis（4＇-carboxyphenyl）-4-phenylpyridine, H4tptc = terphenyl-2,5,2＇,5＇-tetracar- boxylic acid, H4btc =biphenyl-2,2＇,4,4＇-tetracarboxylic acid, phen =1,10-phenanthroline, and 1,4-bib = 1,4-bis（1H-imidazol-1-yl）benzene）. Their structures have been determined by single- crystal X-ray diffraction analyses, elemental analyses, IR spectra, and powder X-ray diffraction （PXRD） analyses. In compound 1, the CdII cations are linked by bpp2- to form one ladder structure, based on which a 3D network is constructed with the help of non-covalent interactions. The topology of 2 is a 3D （3,4,5）-connected framework with the Point Schl？fli symbol of （42.6）2（43.62.8）（45.64.8）2. Compound 3 shows an unprecedented 3D （4,4）-connected framework with the Point Schl？fli symbol of （64.82）2（65.8）. Moreover, the luminescent property of 1 has been investigated.

Hydrothermal Synthesis and Crystal Structure of One Novel 1-D Copper(Ⅱ)-organic Framework:{[Cu_2(PP)_2(CBPC)]_2·7H_2O}_n

One novel 1-D copper（Ⅱ）-organic compound,namely {[Cu2（PP）2（CBPC）]2·7H2O}n（1,H2CBPC=1-[（2＇-carboxybiphenyl-4-yl）methyl]-2-propylimidazole-4-carboxylic acid,HPP=3-（2-pyridyl）pyrazole）,was synthesized under hydrothermal conditions.X-ray diffraction analyses reveal that the two Cu（Ⅱ） ions in the distorted dimer [Cu2（PP）2] of 1 are linked by the carboxylate oxygen atoms on the phenyl and imidazole rings,respectively,forming one interesting snake-like chain.Single-crystal X-ray analyses reveal that it crystallizes in monoclinic,space group C2/c with a=30.656（8）,b=12.715（3）,c=22.405（5）,β=122.758（3）°,V=7344（3）3,Z=4,Mr=1681.65,Dc=1.521 g/cm3,F（000）=3464,μ=1.221 mm-1,the final R=0.0453 and wR=0.1023 for 4617 observed reflections with Ⅰ 〉2σ（Ⅰ）.

Syntheses,Crystal Structures,and Fluorescence Properties of Three Coordination Polymers Constructed Based on Benzoic Acid and Its Derivatives

Three new different dimensional coordination polymers, namely, [Zn（BA-）2（4,4？-bib）-1.5]n（1）, [Zn（4-Br BA-）2（1,4-bmb）]n（2） and [Mn（4-Br BA）2（4,4？-bib）]n（3） have been assembled through the mixed-ligand synthetic strategy（4-HBr BA = 4-bromobenzoic acid, HBA = benzoic acid, 1,4-bmb = 1,4-bis（1 H-imidazol-4-yl）benzene, 4,4？-bib = 4,4？-bis（imidazolyl）biphenyl）. Their structures have been determined by single-crystal X-ray diffraction analyses and further characterized by elemental analyses（EA）, powder X-ray diffraction（PXRD）, and thermogravimetric（TG） analyses. Single-crystal X-ray diffraction analysis reveals that the crystals of complexes 1~3 are all in triclinic systems, space group P1. Complexes 1 and 2 are 0D binuclear structures, and 3 is a 1 D chain. Moreover, the solid state fluorescence properties of 1 and 2 have been investigated.

Synthesis, Crystal Structure and Antifungal Activity of a New Zn(Ⅱ) Complex Based on 4-(5-(Pyridin-3-yl)-4H-1,2,4-triazol-3-yl) Benzoic Acid

A new complex[Zn(3,4-APT)2(H2 O)4]·8 H2 O(1,3,4-HAPT=4-(5-(pyridin-3-yl)-4 H-1,2,4-triazol-3-yl)benzoic acid)has been prepared and characterized by elemental analysis,X-ray single-crystal diffraction analysis,thermogravimetric analysis and infrared spectrum analysis.Theoretical calculation based on density functional theory(DFT)is also employed to explicate frontier orbitals of 3,4-HAPT.X-ray single-crystal diffraction analysis reveals that 1 belongs to the triclinic system,space group P1 with a=7.5123(3),b=8.6745(3),c=15.2074(6)Å,α=78.469(1),β=87.387(1),γ=65.448(1)°,V=882.42(6)Å,Z=1,D_(c)=1.528 g·cm^(–3),μ=0.780 mm^(–1),M_(r)=812.09,F(000)=424,the final R=0.0401 and wR=0.1136.Zn(II)ion is coordinated by two N atoms from two 3,4-HAPT as well as four O atoms from four coordinated water molecules,forming a 0D motif with distorted octahedral coordinated geometry.The adjacent 0 D units are linked into a 3 D supramolecular structure through hydrogen bonding interaction.In addition,complex 1 exhibits better antifungal activity against Colletotrichum gloeosporioides Penz than the ligand and metal salt by MIC,MBC tests and Kirby-Bauer disc diffusion method which exhibit potential application in the antifungal fields.

Synthesis, Structural Characterization and Fluorescent Properties of a Cadmium Coordination Polymer with 4-Nitrophthalate and 1,4-Bis(imidazol-1-yl)-benzene

A new complex[Cd(nph)(bix)]n(1,H2nph=4-nitrophthalic acid,bix=1,4-bis(imidazol-1-yl)-benzene)has been successfully synthesized under hydrothermal conditions.Its structure has been characterized by elemental analysis,IR spectrum,TG,single-crystal and powder X-ray diffractions.The Cd^2+ion has a distorted octahedral environment with four O atoms from two nph ligands and two N atoms from two bix ligands.Each bix acts as a cis-conformation bridging ligand to link the neighboring[Cd2(nph)]subunit to form tetranuclear subunits with 42-ring,which are bridged again by bix ligands to yield a two-dimensional network structure.It was stabilized by C–H···O hydrogen bonding andπ-πinteractions,and extended into a 3D supramolecular architecture.Moreover,the luminescent properties of complex 1 have been investigated in the solid state.

Synthesis,Structure,and Magnetic Property of One Snake-shaped Copper(Ⅱ)-organic Compound:Cu[Cu_2(PP)_2](CBPC)_2]·2(H_2O)

One novel copper（II）-organic compound,namely Cu[Cu2（PP）2]（CBPC）2]·2（H2O）（1,H2CBPC = 1-[（2＇-carboxybiphenyl-4-yl）methyl]-2-propylimidazole-4-carboxylic acid,HPP = 3-（2-pyridyl）pyrazole）,was designed and synthesized under hydrothermal conditions.X-ray diffraction analysis reveals that two Cu（II）ions in the quasi-planar dimmer of [Cu2（PP）2] are linked by the carboxylate oxygen atoms on the phenyl ring and the imidazole ring,respectively,yielding one snake-shaped structure.Magnetic measurements reveal that compound 1 shows the strongly antiferromagnetic property.Crystal data of 1：C58H52Cu3N10O10,Mr = 1239.72,monoclinic,P21/c,a = 14.900（7）,b = 15.029（7）,c = 12.308（6）,β = 102.519（9）o,V = 2691（2）3,Z = 2,Dc = 1.530 g/cm3,F（000）= 1274,μ = 1.246 mm-1,R = 0.0416,wR = 0.0780（I 2σ（I））and S = 0.999.

Improvement in the synthesis of 2-(5-amino-1,2,4-thiadiazol-3- yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl thioester

2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(Z)-meth-oxyiminoacetic acid 2-benzothiazolyl thioester(III),an important intermediate of the fourth generation cephalos-porins,was efficiently synthesized by reacting 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid(I)with 2,29-dibenzothiazole disulfide(II)in the presence of triphenylphosphine.Effects of reaction time,temperature,solvents,catalysts and feeding molar ratio on the yield and quality of products were investigated,and an im-proved procedure suitable for industrial production was established.Using 1,2-dichloroethane as solvent,triphe-nylphosphine as reducer,and triethylamine as catalyst,n(I):n(II):n(triphenylphosphine)51.0:1.0:1.0,the product was obtained at room temperature in 98.1%yield.The purity of the product without further purification is 98.7%determined by HPLC method.This procedure could be a suitable alternative to the traditional processes because of its easy handling,high yield and low cost.

Effect of Medium Acidity and Photostability of 3-（4-Dimethyl- amino-phenyl）-l-（2,5-dimethyl-thiophen-3-yl）-propenone （DDTP）： A New Green Emitting Laser Dye

On the line of a previous work on the spectral properties of some of heteroaryl chalcone, the effect of medium acidity and photoreactivity of 3-（4-dimethylamino-phenyl）-l-（2,5-dimethyl-thiophen-3-yl）-propenone （DDTP） has been investigated in dimethylformamide and in chloromethane solvents such as methylenechloride, chloroform and carbon tetrachloride. The dye solution （ca. 5×10^-4 mol·L^-1 in DMF） gives a good laser emission in the range 470 --560 nm with emission maximum at 515 nm upon pumping by nitrogen laser （λex=337.1 nm）. The laser parameters such as gain coefficient （a）, emission cross section （Cre） and half life energy （E1/2） at maximum laser emission are also determined.

A Stable ‘Three-in-one’ Coordination Polymer

The title compound [Cu2（IB）2（HIB）2] 1 was synthesized via the hydrothermal reaction of CuSO4·5H2O and NaOH with 4-（1H-Imidazol-1-yl）benzoic acid （HIB）, and characte- rized by elemental analysis and infrared spectra. The crystal of 1 crystallizes in monoclinic, space group C2/c with a = 24.513（8）, b = 18.948（5）, c = 17.248（6）, β = 119.81（2）o, V = 6951（4）3, Z = 8, C40H30Cu2N8O8, Mr = 877.80, Dc = 1.678 g/cm3, F（000） = 3584 and μ（MoKα） = 1.295 mm-1. The final R = 0.0542 and wR = 0.1335 for 5398 observed reflections with I 〉 2σ（I） and R = 0.0845 and wR = 0.1520 for all data. X-ray diffraction analysis reveals that the title complex is a unique ＇three-in-one＇ crystal of coordination network through strong hydrogen bonds and coordination covalent bonds. The thermogravimetric analysis measurement showed that compound 1 has thermal stability as no strictly clean weight loss step occurs below 300 ℃.

草酸根及对咪唑基苯甲酸根构筑的三重互穿镉(Ⅱ)配合聚合物的合成、结构与发光性能研究

利用水热方法合成了一个新的由草酸和对咪唑基苯甲酸混合配体共同构筑的镉配合物[Cd(L)(C2O4)0.5(H2O)]n,并通过元素分析、红外光谱和X-射线单晶衍射方法确定了该化合物的晶体结构。结构分析表明该化合物属于单斜晶系,空间群P21/n,晶胞参数a=1.167 60(14)nm,b=0.841 80(15)nm,c=1.246 90(15)nm,β=105.404(2),V=1.1815(3)nm3,Z=4,R1=0.0312,ωR2=0.063 1。标题化合物包含一个格子状的二维层结构,三组相同的二维层相互穿插而构筑了三重互穿的框架,同时研究了化合物的光致发光性能。

氮氧有机配体参与构筑的Keggin型杂多超分子化合物的自组装

在水热条件下,我们成功制备了两例基于 Keggin 型多金属氧酸盐和两种氮氧有机配体构筑的杂多超分子化合物: [( L_1)_4( H_3PMo_(12)O_(40)) ]·4H_2O ( 1) 和[( L_2)_2( H_3PMo_(12)O_(40)) ]·H_2O ( 2) [L1= 对咪唑苯甲酸; L2= 对咪唑苯甲酸乙酯],并通过单晶 X - 射线衍射、元素分析和傅里叶变换红外光谱对化合物加以表征. 结构分析表明化合物 1 属于三斜晶系,P 1 空间群,晶胞参数 a = 11. 494( 5),b = 12. 580( 5),c = 14. 754( 5),α = 114. 579( 5) °,β = 91. 120( 5) °,γ= 111. 228( 5) °,V = 1771. 6( 12)~3,Z = 1,R^1= 0. 0394,ωR^2= 0. 1019. 化合物 2 同样属于三斜晶系,P 1 空间群,晶胞参数 a = 11. 935( 5),b = 12. 946( 5),c = 22. 946( 5),α = 96. 676( 5) °,β = 98. 329( 5) °,γ = 114. 799( 5) °,V = 3122. 1( 19) ~3,Z = 2,R_1= 0. 0929,ωR_2= 0. 2150. 两个化合物中,Keggin 多酸阴离子和两种氮氧配体通过分子间非共价键的氢键弱作用形成超分子网络.