The compounds [CdCl(pybma)center dot H2O](n) (1) and [Cd-2(pybma)(2)(OH-BDC)](n) (2) (Hpybma=2-(2-pyridinyl-benzimidazolyl) acetic acid, OH-H2BDC =5-hydroxy-1,3-benzenedicarboxylic acid) have been synthesized by hydrotherinal methods and characterized by elemental analysis, IR spectra, XRD, TGA, fluorescence, and the crystal structures were determined by single-crystal X-ray diffraction. The compound 1 crystallizes in the monoclinic system, space group P2(1)/c. The compound 2 crystallizes in the triclinic system, space group P (1) over bar. Both compounds are two-dimensional (2D) layer structures, furthermore the compound 1 is extended into three-dimensional network by hydrogen bonds. The experimental results show that two compounds have good fluorescence properties and can be used as potential optical materials. CCDC: 751164, 1; 751165, 2.

The compounds [CdCl(pybma)·H2O]n (1) and [Cd2(pybma)2(OH-BDC)]n (2) (Hpybma=2-(2-pyridinylbenzimidazolyl) acetic acid, OH-H2BDC =5-hydroxy-1,3-benzenedicarboxylic acid) have been synthesized by hydrothermal methods and characterized by elemental analysis, IR spectra, XRD, TGA, fluorescence,and the crystal structures were determined by single-crystal X-ray diffraction. The compound 1 crystallizes in the monoclinic system, space group P21/c. The compound 2 crystallizes in the triclinic system, space group P1. Both compounds are two-dimensional (2D) layer structures, furthermore the compound 1 is extended into threedimensional network by hydrogen bonds. The experimental results show that two compounds have good fluorescence properties and can be used as potential optical materials. CCDC: 751164, 1; 751165, 2.

A mixed-ligand compound, [Ni-2(BPTC)(pyz)center dot 2H(2)O](n)(0.5H(2)O)n (BPTC = 3,3',4, 4'-benzophenone-tetracarboxylate, pyz = pyrazine), has been prepared hydrothermally by assembly of BPTC, NiCl2 center dot 6H(2)O and pyz. X-ray diffraction analysis of a single crystal reveals the three-dimensional framework assembled from pyz-pillared two-dimensional sheets. Three types of channels in one direction are established inside the structure. The third-order nonlinear optical (NLO) properties in DMF have been studied by Z-scan technique using an 8 ns laser at 532 nm. The results reveal that the new compound exhibits strong NLO absorption and self-focusing refractive performance (n(2) = 2.7 x 10(-17) m(2) W-1).

A novel coordination ploymer,[Gd(3HPYA)3(H2O)]n,was synthesized by the hydrothermal reaction between 3-(3pyridyl)acrylate acid(3-HPYA) and Gd(NO3)3·6H2O.The structure was characterized by IR,TG,elemental analysis and single-crystal X-ray diffraction.The crystal of 1 belongs to triclinic,space group P-1 with a=0.619 43(15) nm,b=1.270 00(3) nm,c=1.563 40(4) nm,α=111.728(4)°,β=90.330(4)°,γ=95.202(4)°,Z=2,Mr=619.68,Dc=1.810 g·cm-3.The final R1=0.031 0 and wR2=0.059 2 for 3 889 observed reflections with I2σ(I).The structural analysis showed that 1 complex has one-dimensional structure,and the three-dimensional nets are constructed by hydrogen bonds.

A novel coordination polymer [Sm(4-Pyta)(3)(H2O)(2)](n) has been synthesized by the hydrothermal reaction between 4-Pyta (4-Pyta = 4-pyridylthio.acetate) and Sm(NO3)(3). The structure was characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The crystal belongs to the triclinic system, space group P (1) over bar, with a = 9.100(2), b = 11.842(3), c = 12.183(3) angstrom, a = 79.781(4), beta = 74.124(4), gamma = 84.882(5)degrees, V = 1241.6(5) angstrom(3), Z = 2, M-r = 690.95, D-c = 1.84806 g/cm(3), F(000) = 686, mu = 2.669 mm(-1), the final R = 0.0388 and wR = 0.0808 for 4149 observed reflections with I > 2 sigma(I). The structural analysis shows that the complex exhibits a one-dimensional architecture. Intermolecular hydrogen bonding interactions are found in the complex molecules.

A novel coordination ploymer [Co-2 ( HO-BDC)(2)( bpe)(2)( H2O)(2)](n) center dot n (py) center dot nH(2)O [where HO-H2BDC is 5-hydroxyisophthalic acid and bpe is 1,2-bis (4-pyridyl) ethane, py is pyridine] with nanoscale channels was synthesized and characterized via elemental analysis, IR spectra and single-crystal X-ray diffraction. The crystal belongs to triclinic crystal system, space group P (1) over bar, with a = 1. 0245 (3) nm, b = 1. 1467 3 run, c = 1. 2430 (4) nm, alpha = 68.915)degrees, beta = 67.163 (4)degrees, gamma = 71. 373 (4), V = 1.2279 (6) nm, Z = 1, M-r = 979.70, D-c = 1.325 Mg center dot M-3, F (000) = 506, mu = 0.740 mm(-1), the final R-1 = 0.0515 and wR(2) = 0.1058 for 3625 observed reflections with I > 2 sigma (I). The coordination polymer has a 2D rectangular grid framework parallel to the ac plane with a'dimension of 1.025 nm x 0.1354 nm. via strong hydrogen-bonding interactions. TGA curves of the coordination polymer show three main weight losses in the range of 110-150 degrees C, 200-300 degrees t and 320-450 degrees C corresponding to the removal of non-coordinatated water molecules, noncoordinatated py molecules and the water and bpe molecules attached to metal, respectively, and the final residue is identified to be Co2O3.

A novel coordination polymer [{Cd(hmbdc)(H2O)(3)}center dot 2H(2)O](n) (hmbdc= 5-hydroxyisophthalic acid) has been synthesized and characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group P2(1)/c, with a 9.599(3), b = 18.699(5), c = 7.557(2) angstrom, beta = 108.198(4)degrees, V=1288.6(6) angstrom(3), Z = 4, M-r = 3 82.60, D-c 1.972 g/cm(3), F(000) = 760, mu = 1.740, the final R = 0.0555 and wR = 0.0995 for 1732 observed reflections with I > 2 sigma(I). The structural analysis shows that the intermolecular hydrogen bonds and pi-pi interactions result in a three-dimensional supramolecular framework.

3-(3-吡啶基)丙烯酸(3-HPYA)配体与过渡金属离子铅通过水热法合成了一种新的三维配位聚合物[Pb(3-HPYA)2]n(1),其结构经IR,元素分析和X-射线单晶衍射仪表征.1属于单斜晶系,空间群P2/c,晶胞参数:a=1.032 3(3)nm,b=1.6944(5)nm,c=0.864 9(3)nm,β=93.939(5)°,Z=1.509 2(8)nm3,Z=4,Mr=490.73,Dc=2.216 g·cm-3,F(000)=9444,μ=11.200.

A novel coordination ploymer [Cd(HO-BDC)(phen)center dot H2O], (where HO-BDC is 5-Hydroxylsophthalic acid and phen is 1,10-phenanthroline) has been synthesized and characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group P2/c, with a = 0.876 4 (2) nm, b = 1.233 0(3) nm, c = 1.761 2(4) nm, beta = 109.152(9)degrees, V = 1.797 8(7) nm(3), Z = 4, M-r = 490.73, D-c = 1.813 g(.)cm(-3), F(000) = 976, mu = 1.258 mm(-1), the final R = 0.043 8 and wR = 0.098 9 for 2 880 observed reflections with I > 2 sigma (I). The structural analysis shows that the complex has a one-dimensional chain structure. CCDC: 609770.

In the molecule of the title compound, [Cd(C8H4O5)(C10H8N2)] n , the Cd atom is coordinated by two N and four O atoms of 2,2′-bipyridine and hydroxyisophthalate ligands, respectively, in a highly distorted octahedral geometry. 5-Hydroxyisophthalate acts as a tetradentate ligand, with one carboxylate group bidentate to one Cd atom and the other carboxylate group bidentate to two further Cd atoms, resulting in the formation of two-dimensional sheets.

The title complex, [Y(sip)(H2O)(4)](n) (sip = 5-sulfoisophthalate), has been synthesized and characterized by elemental analysis, IR spectra and single-crystal X-ray analysis. The crystal belongs to the orthorhombic system, space group Pna2(1), a = 7.235(4), b = 16.456(5), c = 10.316(3) angstrom, V 1228.2(9) angstrom(3), Z = 4, M-r = 404.14, D-c = 2.186 g/cm(3), F(000) = 808, mu = 4.979 mm(-1), the final R = 0.0474 and wR = 0.1125 for 2122 observed reflections with I > 2 sigma(I). The structural analysis shows that the intermolecular hydrogen bonds and pi-pi interactions result in a three-dimensional supramolecular structure. The complex shows intense luminescence in solid state at room temperature.

The title nest-shaped cluster, [Cu3WIOS3(C10H8N2)(2)], has been synthesized by the reaction of (NH4)(2)[WOS3], CuI and 2,2'-bipyridine (bipy) in dimethylformamide under a purified nitrogen atmosphere. The cluster has a neutral skeleton containing the bipy ligands, and the central W atom is tetrahedrally coordinated by three S atoms and one O atom. The three Cu atoms are divided into two different kinds. Two Cu atoms adopt distorted tetrahedral geometry, with each Cu atom coordinated by two S atoms and the two N atoms of a bipy ligand. The other Cu atom adopts a trigonal mode surrounded by two S atoms and one I atom.

A novel coordination ploymer [Cd(HO-BDC)(phen)·H2O]n (where HO-BDC is 5-Hydroxyisophthalic acid and phen is 1,10-phenanthroline) has been synthesized and characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group P2/c, with a=0.876 4(2) nm, b=1.233 0(3) nm, c=1.761 2(4) nm, β=109.152(9)°, V=1.797 8(7) nm3, Z=4, Mr=490.73, Dc=1.813 g·cm-3, F(000)=976, μ=1.258 mm-1, the final R=0.043 8 and wR=0.098 9 for 2 880 observed reflections with I>2σ(I). The structural analysis shows that the complex has a one-dimensional chain structure. CCDC: 609770.

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

具有层状结构的无机-有机杂化复合聚合物材料有广泛的应用前景,它引起化学工作者的浓厚兴趣,成为一个热门的研究领域[1～3].众所周知,这类聚合物具有许多特殊的性能,在新功能材料(如选择性催化材料、分子识别材料、超高纯度分离材料、光电材料、新型半导体材料、磁性材料)开发中显示了诱人的应用前景[4～6].类似于有机磷酸化合物,有机磺酸已被报道易同多种金属形成各种各样具有层状或者柱层状的化合物,这些金属包括碱金属、碱土金属、过渡金属及镧系金属[7～9].多种官能团如-NH2、-OH、-COOH和-SO3H一起形成一类新型的无机-有机杂化复合聚合物材料.文献中报道的配体有4-羧基苯磺酸[7]、3,5-二羧基苯磺酸[10]、1,4-苯二磺酸[11].到目前为止,使用3-羧基苯磺酸作为配体的还未见报道,本文使用3-羧基苯磺酸作为配体与ZnSO4·H2O和2,2'-联吡啶反应合成了一个层状Zn配合物.用IR和元素分析对配合物进行了表征,用X-射线单晶衍射测定了该配合物的单晶结构,并对该配合物的荧光性质进行了研究.