Hydrothermal reactions of two imidazole derivatives （1,3,5-tib = 1,3,5-tris（1H- imidazol- 1 -yl）benzene, 1,4-bimb = 1,4-bis（1 H-imidazol- 1 -ylmethyl）benzene） and the ZnⅡ cations in the presence of oxalic acid （H2ox） afford two coordination polymers, namely, {[Zn（ox）（1,3,5- tib）]·2（H20）}n （1） and [Znl.5（OX）1.5（1,4-bimb）l.5]n （2）. Their structures have been determined by single-crystal X-ray diffraction analyses, elemental analyses, IR spectra, and powder X-ray diffraction （PXRD） analyses. Both complexes 1 and 2 are based on the 1D zigzag [Zn（ox）]n chains, and their final structures are controlled by the two different imidazole linkers, which expanded the structure along different directions, finally giving a 3D dia net for 1 and a 2D sql layer for 2. Moreover, the luminescent properties of 1 and 2 have been investigated.
A new wave-like infinite chain coordination polymer [Cu3（CN）3（PPh3）4]n（1,PPh3=triphenylphosphine） has been synthesized by solution reaction and characterized by X-ray single-crystal structure diffraction analysis.The complex crystallizes in space group P1 with a=13.343（6）,b=13.429（7）,c=20.694（10）A,α=103.163（4）,β=96.704（5）,γ=101.981（6）o,V=3479（3）A^3,Z=2,C75H60Cu3N3P4,Mr=1317.76,Dc=1.258 g/cm^3,F（000）=1356,μ=1.043 mm^-1,the final R=0.0680 and wR=0.1305 for 9232 observed reflections with I〉2σ（I）.The infinite chain is linked by C-H…π H bonding interactions to form a 2-D supramolecular network.Luminescent study reveals that the complex has green-light emission.
One novel cobalt coordination polymer, {[Co（HTCB）（4,4＇btb）]＇HzO}n （1, H3TCB = 1,3,5-tris（4-carboxyphenyl）benzene, 4,4＇-btb = 4,4＇-bis（1,2,4-triazol-3-yl）biphenyl）, has been synthesized and characterized by elemental analysis, IR, powder X-ray diffraction （PXRD）, and thermogravimetric （TG） analyses. X-ray diffraction analysis reveals that complex 1 is a 2D 2-fold interpenetrated {44,62}-sql [Co（HTCB）（4,4＇-btb）] sheet based on the 1D [Co（HTCB）]n chains and 1D [Co（4,4＇-btb）]n chains. The crystal of 1 crystallizes in triclinic, space group P1 with a = 9.529（12）, b = 13.914（16）, c = 14.906（17） A, V= 1903（4） A3, Z = 2, C45H34N6CoO71 Mr= 829.71, Dc = 1.448 g/cm3, F（000） = 858 andμ（MoKa） = 0.514 mm-1. The final R = 0.0655 and wR = 0.1136 for 6603 observed reflections with 1 〉 2a（/） and R = 0.1136 and wR = 0.1747 for all data.
Two new polyoxomolybdate compounds,namely CuII2（HL）3]2[Mo8O26]·（H2O）4（1） and [NiII（HL）3]2（Mo8O26）·（H2O）3（2）（HL = 3-（2-pyridyl）pyrazole）,were designed and synthesized under hydrothermal conditions.X-ray diffraction analyses reveal that compound 1 consists of one β-Mo8O264-cluster and a Cu2 dimer which is built from two Cu（II） ions linked by three 3-（2-pyridyl）pyrazole ligands.Compound 2 is generated by two kinds of polyoxomolybdate clusters of α-[Mo8O26]4-and β-[Mo8O26]4-.In complexes 1 and 2,the multi-dimensional frameworks are con-structed with the help of hydrogen-bonding links between the terminaloxygen atoms of [Mo8O26]4-,water molecules,and 3-（2-pyridyl）pyrazole ligands.Crystal data of 1：C24H25Cu2Mo4N9O15,Mr = 1190.37,monoclinic,space group P21/c,a = 10.850（2）,b = 18.510（4）,c = 17.230（3） ,β = 100.57（3）°,V = 3401.6（12） 3,Z = 4,Dc = 2.324 g/cm3,F（000） = 2312,μ = 2.742 mm-1,R = 0.0302 and wR = 0.0775（Ⅰ 〉 2σ（Ⅰ））;Crystal data for 2：C48H48Mo8N18Ni2O29,Mr = 2225.98,monoclinic,space group P21/n,a = 20.799（2）,b = 14.7970（13）,c = 23.141（2） ,β = 91.6180（10）°,V = 7119.0（11） 3,Z = 4,Dc = 2.077 g/cm3,F（000） = 4344,μ = 1.968 mm-1,R = 0.0309 and wR = 0.0696（Ⅰ〉 2σ（Ⅰ））.
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.
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.
The title compound,[Cu4I4（C4H8N4）4],has been synthesized and characterized by single-crystal X-ray diffraction analysis.It crystallizes in monoclinic,space group Pbca,with a=18.1851（10）,b=9.3697（5）,c=19.8034（10）A,V=3374.3（3）A^3,C16H32Cu4I4N16,Mr=1210.34,Z=4,Dc=2.383 g/cm^3,μ=6.183 mm^-1,F（000）=2272,S=1.032,the final R=0.0309 and wR=0.1180 for 3854 observer reflections（I〉2σ（I））.The structure of the title compound consists of tetranuclear copper cluster units bridged by the halogen atoms with the 3,5-dimethyl-4-aminotriazole ligands coordinated to the metal ions through the triazole nitrogen atoms.The luminescent property of 1 was also studied.
Solvothermal reaction of aromatic terphenyl-2,5,2＇,5＇-tetracarboxylic acid （Hnqptc） ligand and the transitional metal cation of Mn11 in the presence of 3-（2-pyridyl）pyrazole （pp） affords one new coordination polymer, [Mn（qptc）0.5（pp）2]n·n（H2O） （1）. The structure has been determined by single-crystal X-ray diffraction analyses and further characterized by elemental analyses, IR, TGA, and magnetism. The carboxyl groups of qptc4 exhibit a μ1-η1：η0 coordination mode, and the qptc4- acts as a H-shaped ligand linking the Mn11 centers together to form a 2D polymeric [Mn（qptc）0.5]n layer. The crystal of 1 crystallizes in orthorhombic, space group Pbca with a = 9.3119（12）, b = 20.848（3）, c = 26.134（3） A, V= 5073.4（11） A3, Z= 8, C27HIgMnN6O5,Mr=562.42, Dc = 1.473 g/cm3, F（000） = 2304 and μ（MoKa） = 0.571 mm-1. The final R = 0.0468 and wR = 0.1196 for 4429 observed reflections with I 〉 2σ（I） and R = 0.0797 and wR = 0.1383 for all data.
Two new coordination polymers,[Zn（bdc）（1,3-bimb）]n（1） and {[Mn2（ox）2（1,3,5tib）4/3]·4H2O}n（2）（H2ox = oxalic acid,H2bdc = terephthalic acid,1,3-bimb = 1,3-bis（imidazol-1ylmethyl）benzene,1,3,5-tib = 1,3,5-tri（imidazol-1-yl）benzene）,were synthesized and characterized by elemental analysis,IR,powder X-ray diffraction（PXRD）,and thermogravimetric（TG） analyses.X-ray diffracation analysis reveals that two kinds of zigzag chains [Zn（bdc）]n and [Zn（1,3-bimb）]n in compound 1 are interweaved to form a 3D 4-fold interpenetrated 66-dia framework.In compound 2,Mn（1） and Mn（2） are linked via 1,3,5-tib ligands to form two different nets of [Mn6（1,3,5-tib）6 ]n along the ab plane with inner-or outer-shape N–Mn–N angles,which are connected by 1D infinite [Mn2（ox）2 ]n chains via Mn–O bonds to result in a（3,3,3,4,4）-connected（4·8·10）3（4·82）3（4·83·102）6（82·104·3）3（83）4 topology.Moreover,the photoluminescence of 1 has been investigated.The crystal of 1 crystallizes in orthorhombic,space group Pna2 with a = 13.2267（6）,b = 9.1717（4）,c = 17.4492（8）,V = 2116.79（16）3,Z = 4,C22 H18N4O4 Zn,Mr = 467.77,Dc = 1.468 g/cm3,F（000） = 960 and μ（MoKα） = 1.197 mm-1.The final R = 0.0280 and wR = 0.0618 for 3695 observed reflections with I 2（I） and R = 0.0389 and wR = 0.0653 for all data.The crystal of 2 crystallizes in rhombohedral,space group R-3 with a = 22.080（8）,c = 31.19（2）,V = 13167（11） 3,Z = 18,C24 H25 Mn2 N8 O13,Mr = 743.40,Dc = 1.688 g/cm3,F（000） = 6822 and μ（MoKα） = 0.945 mm-1.The final R = 0.0429 and wR = 0.1035 for 5160 observed reflections with I 2（I） and R = 0.0824 and wR = 0.1244 for all data.
