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Structural Diversity of Six Coordination Polymers Based on the Designed X-Shaped Ligand 1,1,1,1-Tetrakis[(3-pyridiniourea)methyl]methane.

ABSTRACT: In this study, six coordination polymers (CPs), {[Ag?(L)(CF?SO?)]·CF?SO?·2H?O·DMF}n (1), {[Ag(L)]·SbF?·4DMF·H?O}n (2), {[Zn(L)0.5(I)?]·3.75H?O}n (3), {[Cd?(L)(I)?(H?O)(DMF)]·4H?O·3DMF}n (4), {[Hg?(L)(I)?]·H?O·4DMF}n (5) and {[Hg?(L)(Cl)?]·2H?O·3DMF}n (6), were obtained based on the designed X-shaped urea-based ligand. X-ray single crystal diffraction analysis revealed that complex 1 displayed a 3D (3,4)-connected {6·8²}{6?·8²}-tcj net. Complex 2 featured a 2D 4-connected {4³·6³} sheet. Complexes 3 and 5 exhibited a 1D polymeric loop chain. Complex 4 displayed a 1D polymeric fishbone chain. Complex 6 showed a 2D 4-connected {4?·6²}-sql sheet. Structural comparison revealed that not only the metal ions, but also the anions played crucial roles in the control of final structures.

SUBMITTER: Zhang QL 

PROVIDER: S-EPMC6225222 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Structural Diversity of Six Coordination Polymers Based on the Designed X-Shaped Ligand 1,1,1,1-Tetrakis[(3-pyridiniourea)methyl]methane.

Zhang Qi-Long QL   Yu Qing Q   Xie Hai-Fang HF   Tu Bo B   Xu Hong H   Huang Ya-Li YL   Yang Xiao-Sheng XS  

Molecules (Basel, Switzerland) 20180907 9

In this study, six coordination polymers (CPs), {[Ag₂(L)(CF₃SO₃)]·CF₃SO₃·2H₂O·DMF}<sub>n</sub> (<b>1</b>), {[Ag(L)]·SbF₆·4DMF·H₂O}<sub>n</sub> (<b>2</b>), {[Zn(L)<sub>0.5</sub>(I)₂]·3.75H₂O}<sub>n</sub> (<b>3</b>), {[Cd₂(L)(I)₄(H₂O)(DMF)]·4H₂O·3DMF}<sub>n</sub> (<b>4</b>), {[Hg₂(L)(I)₄]·H₂O·4DMF}<sub>n</sub> (<b>5</b>) and {[Hg₂(L)(Cl)₄]·2H₂O·3DMF}<sub>n</sub> (<b>6</b>), were obtained based on the designed X-shaped urea-based ligand. X-ray single crystal diffraction analysis revealed that compl  ...[more]

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