Synthesis and Crystal Structure of a Coordination Polymer [Zn（p-pdoa）（bbp）]n with a One-dimensional Helical Chain

The coordination polymer [Zn（p-pdoa）4（bbp）]n 1 （p-pdoa = p-phenylenedioxydiacetate dianion and bbp = 2,6-bis（benzimidazol-2-yl）pyridine） has been synthesized by hydrothermal method and characterized by elemental analysis, IR and X-ray single-crystal diffraction. The title complex crystallizes in the triclinic system, space group P1^- with a = 7.8383（2）, b = 12.6610（4）, c = 13.1792（5）A, a = 84.433（2）,β = 74.2980（1）, γ = 87.4290（1）°, V = 1252.93（7）A^3, Z = 2, Dc = 1.593 g/cm^3,/z = 1.038 mm^-1, F（000） = 616, the final R = 0.0361 and wR = 0.1139. The Zn（Ⅱ） atom assumes a distorted trigonal bipyramidal geometry, involving two carboxyl O atoms from two different p-pdoa ligands and three N atoms from the bbp ligand. The Zn（Ⅱ） atom is alternately interlinked by p-pdoa ligands in a bismonodentate mode into a helical chain with a long pitch of 12.661 A and the adjacent Zn…Zn distance of 11.056 and 12.245 A. There exists a 2D supramolecular framework linked by π-π stacking （3.312 A） between adjacent benzimidazoles of bbp ligands and intermolecular hydrogen-bonding interactions between the uncoordinated carboxylate oxygen atoms （O（2）, 0（5）） and the uncoordinated imidazolyl N atoms （N…O distances 2.706 and 2.786 A）. There also exist two interlayer π-π stacking interactions of 3.299 A between adjacent central pyridines of bbp ligand and 3.176 A between the phenyl groups of p-pdoa ligand. Such π-π stacking interactions extend the two-dimensional layers into a 3D supramolecular network.     

Synthesis and Crystal Structure of a Palladium（H） Coordination Polymer [Na2Pd（2,6-pydc）2（H2O）6]n

A novel coordination polymer [Na2Pd（2,6-pydc）2（H2O）6]n （2,6-H2pydc = 2,6-pyridinedicarboxylic acid） has been synthesized and its crystal structure was determined by single-crystal X-ray diffraction. The crystal belongs to the monoclirtic system, space group P21/c, with a = 11.962（2）, b = 6.5552（13）, c = 12.673（3） A, β = 91.72（3）^o, V = 993.3（3） A^3, Z = 2, Mr = 590.68, Dc = 1.975 g/cm^3,μ = 1.059 mm^-1, F（000） = 592, the final R = 0.0211 and wR = 0.0454. In the crystal the Pd（II） ion adopts a distorted four-coordinated square-planar geometry and bonds to two bidentate 2,6-pyridinedicarboxylate molecules through caronyl oxygen and pyridine nitrogen atoms. The title complex exhibits a novel three-dimensional network structure.     

Synthesis and Crystal Structure of Bi（Hsal）3（1,10- phenanthroline） （Hsal = O2CC6H4-2-OH）

A new bismuth compound Bi（Hsal）3（1,10-phenanthroline） （Hsal = O2CC6H4-2-OH） has been synthesized and characterized by single-crystal X-ray diffraction. It crystallizes in the triclinic system, space group P1, with a = 10.243（2）, b = 11.905（3）, c = 12.934（3） A, α= 76.780（6）, β= 68.683（6）,γ= 80.930（7）°, V = 1425.6（5） A^3, Dc = 1.865 g/cm^3, Mr = 800.51, F（000） = 780, μ= 6.247 mm^-1, Z = 2, R = 0.0456 and wR = 0.1131 for 5612 observed reflections （I 〉 2σ（I））. In this compound, three salicylate ligands coordinate to the Bi atom through the carboxylate groups to form a four-membered chelate ring, and phenanthroline ligand chelates the metal through two N atoms. The structure of the title compound manifests a possible coordination mode between bismuth subsalicylate and N atom containing amino acid in the biological system.     

Syntheses and Crystal Structures of Two Coordination Compounds CuLCl（H2O） and Ni（L）2 （HL = 2-Carboxy-1,10-phenanthroline）

Two complexes CuLCl（H2O） 1 and Ni（L）2 2 （HL = 2-carboxy-1,10-phenanthroline） have been synthesized and characterized by single-crystal X-ray crystallography. The structure of 1 has a monoclinic space group P21/n with a = 7.985（2）, b = 16.067（3）, c = 9.694（2） A, β = 98.189（30）°, V= 1231.0（4） A^3, Z = 4, Dc = 1.836 g/cm^3,μ =1.998 mm^-1, F（000） = 684, the final R = 0.0301 and wR = 0.0810. The structure of 2 （C26H14N4NiO10） adopts an orthorhombic system, space group Pbea with a = 9.410（2）, b = 23.2410（5）, c = 23.8680（5） A, V = 5219.9（18） A^3, Z = 8, Mr = 601.12, Dc = 1,530 g/cm^3,μ = 0.809 mm^-1, F（000） = 2448, the final R = 0.0448 and wR = 0.1427. The Cu center of complex 1 exhibits a square pyramidal coordination environment with one oxygen and two nitrogen atoms from deprotonated 2-carboxy-1,10-phenanthroline, one oxygen atom from water and one chloride ion. The Ni center of complex 2 assumes a distorted octahedral coordination geometry consisting of two oxygen atoms and four nitrogen atoms of two deprotonated 2-carboxy-1,10-phenanthroline molecules. Supramolecular assembly has been found via noncovalent bonds, such as hydrogen bonds and π-π stacking interactions.     

Synthesis and Crystal Structure of a Novel Tetranuclear Zinc（Ⅱ） Coordination Polymer [Zn4（o-bda）4（p-pbim）4]n

A novel tetranuclear zinc（H） coordination polymer [Zn4（o-bda）a（p-pbim）4]n 1 （p-pbim = 4-pyridylbenzimidazole, o-bda2 = o-phenylenediacetic acid dianion） has been synthesized by a hydrothermal method and characterized by elemental analysis, IR and X-ray singlecrystal diffraction. The title complex crystallizes in monoclinic, space group of P21/n with α = 14.231（1）, b = 16.257（1）, c = 16.794（1） ]k, β = 100.26（1）°, V = 3823.1（2）A3, Z = 8, Dc = 1.573 g/cm^3,β = 1.321 mm^-1, F（000） = 1856, R = 0.0420 and wR = 0.111. The Zn（1） atom assumes a distorted trigonal bipyramidal geometry, involving three carboxyl O atoms from two different o-bda ligands and two N atoms from two p-pbim ligands. The Zn（2） atom is coordinated by two oxygens from two distinct bda2- anions and two nitrogen atoms from two p-pbim ligands to form a distorted tetrahedral geometry. The Zn（Ⅱ） atoms are alternately interlinked by o-bda ligands in bis-monodentate or chelating-bidentate and monodentate modes into one-dimensional undulate chains along axis c with the adjacent Zn…Zn distances of 8.32 and 8.47 A. Such neighboring chains are further extended into a 1D bi-chain structure with two different subrings A and B, which are 32- and 14-membered rings through interchain p-pbim ligands. There exists a 2D supramolecular network linked by intermolecular hydrogen-bonding interactions between the uncoordinated carboxylate 0（4） atom or coordinated carboxylate 0（7） atom and the uncoordinated imidazolyl N（2） and N（5） atoms with the O...N distances to be 2.695 and 2.807A.     

Synthesis and Crystal Structure of a One-dimensional Ladder-like Complex [Cu2（L）（dca）2]n （dca = [N（CN）2]^-, L = 1,4-Bis（3-furanyl）-2,3-diaza-1,3-butadiene）

A new Cu（I）-dicyanamide with formula [Cu2（L）（dca）2]n （dca = dicyanamide anion, L = 1,4-bis（3-furanyl）-2,3-diaza-1,3-butadiene） has been synthesized and structurally characterized. The complex crystallizes in the monoclinic system, space group P21/n with a = 9.271（2）, b = 7.7355（16）, c = 11.967（3）A,β = 102.693（3）°, V= 837.3（3）A^3, Z = 4, Mr = 223.68, Dc = 1.775 g/cm^3,μ（MoKa） = 2.567 mm^-1, F（000） = 444, R = 0.0782 and wR = 0.2582 for 951 observed reflections （I 〉 2σ（I））. Single-crystal X-ray analysis reveals that the copper atom is three-coordinated by two nitrogen atoms from two dicyanamide anions and another one from the ligand, and each copper atom is connected by two [N（CN）2] anions to form an infinite double-stranded bridge fashion leading to 1D ladder-like motifs.     

In Situ Hydrothermal Synthesis of a Mononuclear Copper（Ⅱ） Complex： Cu（H2SIP-O）（bpy）（H2O） （H4SIP-O = 4-Hydroxyl-5-sulfoisophthalic Acid）

The mononuclear complex, Cu（H2SIP-O）（bpy）（H2O） （H4SIP-O = 4-hydroxyl- 5-sulfoisophthalic acid and bpy = 2,2＇-dipyridyl）, has been synthesized by the hydrothermal reaction of Cu（OH）2 with NaH2SIP and bpy at 160 ℃, and characterized by single-crystal X-ray diffraction, elemental analysis and IR spectrum. The new ligand 4-hydroxyl-5-sulfoisophthalic acid derived from 5-sulfoisophthalic acid ligand under an in situ hydrothermal condition. The crystal of the complex crystallizes in a triclinic system, space group P1, with a = 7.757（4）, b = 10.663（6）, c = 11.727（7）A, α = 94.272（4）, β = 104.067（7）, γ = 97.400（7）°, V= 927.4（9）A^3, Z = 2, C18H14N2O9SCu, Mr= 497.93, Dc= 1.783 g/cm^3,μ = 1.350 mm^-1, F（000） = 506, the final R = 0.0518 and wR = 0.1513 for 4180 observed reflections with I 〉 2σ（I）. The central Cu（II） ion is five-coordinated by two oxygen atoms from the H2SIP-O^2- ligand and two nitrogen atoms of bpy ligand in a distorted square-planar geometry as well as a water oxygen atom in the apical position to complete a distorted square-pyramidal coordination geometry. The mononuclear copper molecules are linked by hydrogen bonds between coordinated water molecules and sulfonate groups to form a one-dimensional double-chain structure. The chains are further held together through extensive π-π stacking interactions between the aromatic rings to form a three- dimensional supramolecular structure.     

A New Two-dimensional Cd（Ⅱ） Coordination Polymer Constructed by Pyridine-2,5-dicarbohydrazide

A new two-dimensional Cd（Ⅱ） coordination polymer, [Cd（2,5-pdch）（H2O）]n·2n（ClO4）·nH2O （2,5-pdch = pyridine-2,5-dicarbohydrazide）, was prepared and characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction analysis. The crystal belongs to monoclinic, space group P21/c with a = 10.905（2）, b = 11.602（1）, c = 15.034（2） A, β = 117.794 （10°, V = 1682.8（4A3, Z = 4, C7H13CdCl2NsO12, Mr = 542.52, Dc = 2.141 g/cm^3,/μ = 1.691 mm^-1, F（000） = 1072, 2（MoKa） = 0.71073A, the final R = 0.0608 and wR = 0.1329 for 2972 observed reflections with I 〉 2σ（I）. Single-crystal X-ray diffraction analysis reveals that the Cd（Ⅱ） atom displays a distorted pentagonal-bipyramidal geometry coordinated by three N atoms and three O atoms from three different 2,5-pdch ligands, and one water molecule. Interestingly, each two Cd（Ⅱ） atoms are bridged by two carbohydrazide groups of the 2,5-pdch ligands to form a dimeric unit, and such dimeric units are further connected by the 2,5-pdch ligand to generate a two-dimensional （4,4）-network.     

Synthesis,Characterization and Crystal Structure of a Three-dimensional Coordination Polymer {[Cd（1,5-nds）（Him）2（H2O）]·2H2O}n

A novel cadmium（Ⅱ） coordination polymer {[Cd（1,5-nds）（Him）2（H2O）]·2H2O}n （1,5-nds = naphthalene-1,5-disulfonate and Him = imidazole） was synthesized based on the reaction of cadmium oxide and 1,5-naphthalenedisulfonic acid firstly, and then mixed with imidazole in methanol medium. Its structure was characterized by elemental analysis, IR and TGA, respectively. The crystal structure was determined by single-crystal X-ray diffraction. The crystal belongs to the triclinic system, space group P1, with a = 8.5420（10）, b = 10.2570（10）, c = 13.361（2） A, α = 100.704 （2）, β = 100.195（2）, γ = 108.873（3）°, C16H20Cd N4O9S2, Mr= 588.91, V = 1.0524（2） nm^3, Dc = 1.858 g/cm^3, Z = 2, F（000） = 592, β^ = 1.294 mm-1, R = 0.0397 and wR = 0.1007 for 3180 observed reflections （Ⅰ〉 2σ（Ⅰ））. Structural analysis shows that the cadmiun atom is coordinated with four oxygen atoms from three 1,5-nds and one water molecule together with two nitrogen atoms from two imidazoles, giving a distorted octahedral coordination geometry. The molecules are linked to form a two-dimensional coordination polymer based on bridging ligands of naphthalene- 1,5-disulfonate anions, the sheets of which are then interacted via hydrogen bonds, leading to a three-dimensional network structure.     

Synthesis and Crystal Structure of a Distorted 2D （6,3） Layer Complex, [Cd（H2mbdpz）（N3）2]n （H2mbdpz = 4,4′-Methylenebis（3,5-dimethylpyrazole）） Containing both End-on and End-to-end Azide Bridges

The complex [Cd（H2mbdpz）（N3）2]n 1 （H2mbdpz = 4,4′-methylenebis（3,5-dimethylpyrazole）） has been hydrothermally synthesized and characterized by single-crystal X-ray diffraction analysis. It crystallizes in the monoclinic system, space groups C2/c with a = 22.154（5）, b = 7.4835（15）, c = 21.044（8）A^°,β= 115.51（3）°, V= 3148.7（17）A^°3, Z= 8, C11H16CdN10, Mr = 400.75, Dc = 1.691 g/cm^3,μ = 1.401 mm^-1, F（000） = 1599, T= 293（2） K, the final R = 0.0228 and wR = 0.0581 for 3604 observed reflections with I 〉 2σ（I）. The structural determination revealed that the coordination environment of Cd（Ⅱ） atom is a distorted octahedron consisting of two nitrogen donors of two H2mbdpz ligands and four nitrogen donors from four azide ligands. The azide moieties act as bridges in two modes： end-on （μ1,1-） and end-to-end （μ1,3-）, and H2mbdpz also serves as a bridge with a bis-monodentate coordination. Both bridging ligands link the Cd（Ⅱ） atoms to form a distorted two-dimensional （6,3） layer.     

Synthesis and Structure of Propionate－bridged Mixed－metal Cluster Compound：〔MoW_2O_2（O_2CC_2H_5）_6（H_2O）_3〕ZnBr_4·4H_2O

ＳｙｎｔｈｅｓｉｓａｎｄＳｔｒｕｃｔｕｒｅｏｆＰｒｏｐｉｏｎａｔｅ－ｂｒｉｄｇｅｄＭｉｘｅｄ－ｍｅｔａｌＣｌｕｓｔｅｒＣｏｍｐｏｕｎｄ：〔ＭｏＷ_２Ｏ_２（Ｏ_２ＣＣ_２Ｈ_５）_６（Ｈ_２Ｏ）_３〕ＺｎＢｒ_４·４Ｈ_２Ｏ￥ＬｉｕＨｕａｎｇ；ＸｕＬｉ；Ｈｕａ...     

新型环形聚阴离子[{WO(H_2O)}_3(AsW_8O31)_3]~21-的结构及表征

在pH=3.0的水溶液中，Na_2WO_4·2H_2O与NaAsO_2·6H_2O和NH_4Cl反应，得 到了新的杂多钨酸盐(MH_4)_19Na_2[{WO(H_2O)}_3(AsW_8O31)_3]·45H_2O单晶， 用X射线单晶衍射法及元素分析确定了其结构，晶体属单斜晶系，空间群C2/c，晶 胞参数为：a=3.1165(11)nm, b=1.7388(7)nm, c=2.2789(9)nm, β=97.342(6)°, V=12.248(8)nm~3, Z=4, R_1=0.0571,wR_2=0.0741[I＞2σ(I)]. 环型聚阴离子 [{WO(H_2O)}_3(AsW_8O31)_3]~21-是由三个{WO(H_2O)}桥连三个新发现的 {AsW_8O31}单元构成的，环聚离子[{WO(H_2O)}_3(AsW_8O31)_3]~21-具有近似D_ (3h)对称性。对该化合物还进行了~183W NMR, IR和TG表征。     

羰基三核钌簇Ru_3（CO）_9（C_6H_5）_2N_2HCS的合成和晶体结构

本文根道了Ｒｕ_３（ＣＯ）_９（Ｃ_６Ｈ_５）_２Ｎ_２ＨＣＳ的合成及晶体结构，晶体属单斜晶系，空间群Ｐ２_１／ｍ，晶胞参数ａ＝９．６０４（２），ｂ＝１４．２７９（５），ｃ＝９．９８６（１），β＝１０３．４５（１）°，Ｖ＝１３３１．９，Ｍ_ｒ＝７８２．６１，Ｚ＝２，Ｄ_ｘ＝１．９５１ｇ／ｃｍ~３，μ（ＭｏＫα）＝１７．７３ｃｍ~（－１），Ｆ（０００）＝７５４，Ｒ＝０．０３８．（Ｃ_６Ｈ_５）_２Ｎ_２ＨＣＳ通过Ｎ和Ｓ原子与３个钌原子成螯合配位，另外还有九个羰基与之配位。整个分子具有Ｃ_Ｓ对称性。     

Synthesis and Crystal Structure of［Na（DB18C6）（H_2O）_2］_2Mo_6O_（19）·3DMF·2CH_3OH

ＳｙｎｔｈｅｓｉｓａｎｄＣｒｙｓｔａｌＳｔｒｕｃｔｕｒｅｏｆ［Ｎａ（ＤＢ１８Ｃ６）（Ｈ_２Ｏ）_２］_２Ｍｏ_６Ｏ_（１９）·３ＤＭＦ·２ＣＨ_３ＯＨＬｕＸｉａｏ－Ｍｉｎｇ；ＺｈａｏＹａ－Ｐｉｎｇ；ＱｕＥｒ－Ｌｉｎｇ；ＸｉａｏＬｉｎｇ－Ｍｅｉ；ＬｉｕＳｈｕ...     

Synthesis and Crystal Structure of （Et4N）3[{V（o—C6H4OS）3}2Na]

ＳｙｎｔｈｅｓｉｓａｎｄＣｒｙｓｔａｌＳｔｒｕｃｔｕｒｅｏｆ（Ｅｔ_４Ｎ）_３［｛Ｖ（ｏ－Ｃ_６Ｈ_４ＯＳ）_３｝_２Ｎａ］￥ＷｅｎＴｉｎｇ－Ｂｉｎ；ＸｕＹｏｎｇ－Ｊｉｎ；ＳｈｉＪｉ－Ｃｈｅｎｇ；ＤｅｎｇＹｕ－Ｈｅｎｇ；ＣｈｅｎＣｈａｎｇ－Ｎｅｎｇ；Ｌｉｕ...     

咪唑配位的夹心型杂多化合物Na_9[{Na(H_2O)}_3{Co(C_3H_4N_2)}_3(BiW_9O_(33))_2]·33H_2O的合成，结构和磁性质研究

在pH=7.5的水溶液中，咪唑与Na_2WO_4,Bi(NO_3)_3及Co(NO_3)_2反应，得到 了咪唑配位的新型杂多钨酸盐Na_9[{Na(H_2O)}_3{Co(C_3H_4N_2)}_3(BiW_9O_(33) )_2]·33H_2O，用X射线单晶衍射法及元素分析确定了其结构，晶胞参数为：空间 群P3，a=1.3904(4)nm, b=1.3904(4)nm, c=3.3169(13)nm, γ=120 °,V=5.553(3) nm~3, Z=2, R_1=0.0361，wR_2=0.0507(I>2σ)。杂多阴离子[{Na(H_2O)_3}{Co (C_3H_4N_2)}_3(BiW_9O_(33))_2]~(9-)为夹心式结构，两个三空缺Keggin离子α- B-BiW_9O_(33)~(9-)夹层中的中心离子为交替排列的三个Na(H_2O)~+和三个Co (C_3H_4N_2)~(2+)，中心离子钴的配位数为5，该杂多阴离子具有C_(3v)对称性。 对标题化合物进行了磁性质表征，拟合结果为J=6.90cm~(-1),g=2.10,θ=0.25K， 表明该化合物中的Co(II)三核簇存在着铁磁偶合。     

Syntheses and Structures of Two Cadmium Complexes with Isophthaloylbisglycine Acid and 4,4'-Bipyridine

The two title complexes [{Cd（IBG-CH3）（4,4＇-bipy）（H2O）2}·NO3]n 1 and [{Cd（IBG）- （4,4＇-bipy）（H2O）2}·2H2O]n 2 （H2IBG = isophthaloylbisglycine and 4,4＇-bipy = 4,4＇-bipyridine） have been synthesized and characterized by single-crystal structure determination,IR and TG analyses. Complex 1 crystallizes in monoclinic,space group C2/c with a = 27.221（2）,b = 11.6093（7）,c = 16.3571（9）A,V = 5149.2（6） A^3,Z = 8,C23H23N5O11Cd,Mr = 657.86,Dc = 1.697 g/cm^3,F（000） = 2656.00,μ（MoKα） = 0.919 mm^-1,the final R = 0.0478 and wR = 0.0882 for 3728 observed reflections with I 〉 2σ（I）. Complex 2 crystallizes in triclinic,space group Pī with a = 9.0940（4）,b = 11.6852（5）,c = 13.1119（6）A,V = 1230.26 A^3,Z = 2,C22H26N4O10Cd,Mr = 618.87,Dc = 1.671 g/cm^3,F（000） = 628.0,μ（MoKα） = 0.951 mm^-1,the final R = 0.0567 and wR = 0.1124 for 3713 observed reflections with I 〉 2σ（I）. In both structures,the CdII metal centers are coordinated by seven atoms to form a distorted pentagonal bipyramidal geometry.     

氰尿酸镍的晶体结构

标题化合物Ｎｉ（Ｃ＿３Ｈ＿２Ｎ＿３Ｏ＿３）＿２（Ｈ２Ｏ）＿４属正交晶系，空间群为Ｆｍｍｍ（编号６９）。晶胞参数：ａ＝７．２８２（４），ｂ＝１２．０５７（２），ｃ＝１６．０７２（２），Ｖ＝１４１１（１），Ｄ＿ｃ＝１．８２ｇ／ｃｍ￣３，Ｚ＝４，Ｍ＿ｒ＝３８６．８９，λ（ＭｏＫα）＝０．７１０６９，μ＝１４．４３ｃｍ￣（－１），Ｆ（０００）＝７９２。最终偏离因子Ｒ＝０．０４５，Ｒ＿ｗ＝０．０６０。独立可观测点数（Ｉ≥３σ（Ｉ））为３８５个。在配合物中，镍离子与来自氰尿酸的两个氮原子和来自水分子的四个氧原子配位。     

A 3D Supramolecular Framework Based on 1D {[Co（proH）（H2O）3]2[P2Mo5O23]}n Chains and 1D Helical Water Chains

A three-dimensional supramolecular architecture, {[Co（proH）（H2O）3]2[P2Mo5O23]}·7H2O （1, pro = praline）, has been synthesized and characterized by IR, elemental analysis, thermogravimetric analysis, and single-crystal X-ray diffraction. 1 crystallizes in monoclinic, space group C2 with a = 20.600（3）, b = 11.6980（11）, c = 9.2944（10）A, β = 107.837（4）°, V = 2132.1（4） A^3, Z = 2, C10H46Co2Mo5N2O40P2, Mr = 1493.99, Dc = 2.327 g/cm^3, F（000） = 1468, μ（MoKα） = 2.375 mm^-1, the final R = 0.0339 and wR = 0.0844 for 4169 observed reflections with I 〉 2σ（I）. Singlecrystal X-ray crystallographic analysis reveals that the helical water chains and {[Co（proH）- （H2O）3]2[P2Mo5O23]}n chains are perpendicular to each other and extend into an overall three-dimensional supramolecular architecture by hydrogen-bonding interactions. The magnetic investigation indicates weak antiferromagnetic interactions in the compound.     

Crystal Structure of [Cd（pom）2Cl2]

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