Structural diversity and magnetic properties of Co(ii)/Mn(ii)/Ni(ii) coordination polymers constructed from an unsymmetrical tetracarboxylic acid and varying N-donor ligands

CrystEngComm ◽  
2018 ◽  
Vol 20 (30) ◽  
pp. 4258-4267 ◽  
Author(s):  
Qi Yue ◽  
Xu Liu ◽  
Wei-Xiao Guo ◽  
En-Qing Gao
Keyword(s):  
Magnetic Properties ◽  
Coordination Polymers ◽  
Structural Diversity ◽  
Donor Ligands ◽  
Tetracarboxylic Acid ◽  
Prepared Complex ◽  
Strong Ferromagnetism

Seven coordination polymers with diverse structures based on an unsymmetrical tetracarboxylate and varying N-donor ligands were prepared. Complex 7 exhibits strong ferromagnetism.

The structural diversity and photoluminescent properties of cadmium thiophenedicarboxylate coordination polymers

2014 ◽  
Vol 43 (19) ◽  
pp. 7219-7226 ◽  
Author(s):  
Li-Ping Xue ◽  
Xin-Hong Chang ◽  
Shi-Hui Li ◽  
Lu-Fang Ma ◽  
Li-Ya Wang
Keyword(s):  
Thermal Stability ◽  
Coordination Polymers ◽  
Structural Diversity ◽  
Donor Ligands ◽  
Photoluminescence Properties

Two series of Cd(ii) CPs based on two positional isomeric thiophenedicarboxylic acids and N-donor ligands have been synthesized. Moreover, the thermal stability and photoluminescence properties of these complexes are investigated.

Structural diversity, gas adsorption and magnetic properties of three coordination polymers based on a rigid multicarboxylate ligand

CrystEngComm ◽  
2020 ◽  
Vol 22 (42) ◽  
pp. 7046-7053
Author(s):  
Lingling Gao ◽  
Yongjun Bian ◽  
Yuan Tian ◽  
Yongqiang Chen ◽  
Tuoping Hu
Keyword(s):  
Magnetic Properties ◽  
Benzoic Acid ◽  
Coordination Polymers ◽  
Gas Adsorption ◽  
Structural Diversity ◽  
Acid Ligand

A pictogram: the gas adsorption and magnetic properties of three Co(ii) coordination polymers constructed from 3,5-di(2′,5′-dicarboxylphenyl)benzoic acid ligand have been explored.

Flexible N-Donor Ligands Direct the Structural Characteristics of CoII Complexes: Syntheses, Structures, and Magnetic Properties

2019 ◽  
Vol 72 (5) ◽  
pp. 341 ◽  
Author(s):  
Yu-Ting Yang ◽  
Chang-Zheng Tu ◽  
Xiao-Lin Xu ◽  
Li-Li Xu ◽  
Bang-Ling Yan ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Coordination Polymers ◽  
Structural Characteristics ◽  
Donor Ligands ◽  
X Ray Diffraction ◽  
Thermal Stabilities ◽  
Ancillary Ligands ◽  
X Ray ◽  
Elemental Analyses ◽  
Bilayered Structure

Solvothermal reactions of 3,3′,5,5′-biphenyltetracarboxylic acid (H4BPTC) and cobalt(ii) ions in the presence of two different flexible N-donor ancillary ligands afford two novel coordination polymers, {[Co(BPTC)0.5(bix)]·H2O}n (1), {[Co(BPTC)0.5(bpp)]·3H2O}n (2) (bix=1,4-bis(imidazol-1-ylmethyl)benzene; bpp=1,3-bis(4-pyridyl)propane). Their structures have been determined by elemental analyses, IR spectra, single-crystal X-ray diffraction analyses, and powder X-ray diffraction. The pillared layered framework of 1 can be simplified to a (4,6)-connected net with a Schläfli symbol of (44·62)(44·69·82). Complex 2 manifests a bilayered structure, and can be simplified to a (4,4)-connected net with a Schläfli symbol of (55·8)(54·62). The thermal stabilities of both complexes and the magnetic behaviours of 1 are also discussed.

Two CoII coordination polymers of biphenyl-2,2′,5,5′-tetracarboxylic acid with flexible N-donor ligands: syntheses, structures and magnetic properties

2019 ◽  
Vol 75 (8) ◽  
pp. 1073-1083 ◽  
Author(s):  
Feng Su ◽  
Cheng-Yong Zhou ◽  
Lin-Tao Wu ◽  
Xi Wu ◽  
Jing Su ◽  
...  
Keyword(s):  
Coordination Polymers ◽  
Three Dimensional ◽  
Donor Ligands ◽  
Tetracarboxylic Acid ◽  
X Ray Diffraction ◽  
Magnetic Studies ◽  
Orbital Contribution ◽  
X Ray ◽  
3D Network ◽  
Methyl Benzene

Two CoII-based coordination polymers, namely poly[(μ4-biphenyl-2,2′,5,5′-tetracarboxylato){μ2-1,3-bis[(1H-imidazol-1-yl)methyl]benzene}dicobalt(II)], [Co2(C16H6O8)(C14H14N4)2] n or [Co2(o,m-bpta)(1,3-bimb)2] n (I), and poly[[aqua(μ4-biphenyl-2,2′,5,5′-tetracarboxylato){1,4-bis[(1H-imidazol-1-yl)methyl]benzene}dicobalt(II)] dihydrate], {[Co2(C16H6O8)(C14H14N4)2(H2O)2]·4H2O} n or {[Co2(o,m-bpta)(1,4-bimb)2(H2O)2]·4H2O} n (II), were synthesized from a mixture of biphenyl-2,2′,5,5′-tetracarboxylic acid, i.e. [H4(o,m-bpta)], CoCl2·6H2O and N-donor ligands under solvothermal conditions. The complexes were characterized by IR spectroscopy, elemental analysis, single-crystal X-ray diffraction and powder X-ray diffraction analysis. The bridging (o,m-bpta)4− ligands combine with CoII ions in different μ4-coordination modes, leading to the formation of one-dimensional chains. The central CoII atoms display tetrahedral [CoN2O2] and octahedral [CoN2O4] geometries in I and II, respectively. The bis[(1H-imidazol-1-yl)methyl]benzene (bimb) ligands adopt trans or cis conformations to connect CoII ions, thus forming two three-dimensional (3D) networks. Complex I shows a (2,4)-connected 3D network with left- and right-handed helical chains constructed by (o,m-bpta)4− ligands. Complex II is a (4,4)-connected 3D novel network with ribbon-like chains formed by (o,m-bpta)4− linkers. Magnetic studies indicate an orbital contribution to the magnetic moment of I and II due to the longer Co...Co distances. An attempt has been made to fit the χM T results to the magnetic formulae for mononuclear CoII complexes, the fitting indicating the presence of weak antiferromagnetic interactions between the CoII ions.

scholarly journals Five new 2D and 3D coordination polymers based on two new multifunctional pyridyl–tricarboxylate ligands: hydrothermal syntheses, structural diversity, luminescent and magnetic properties

RSC Advances ◽  
2017 ◽  
Vol 7 (31) ◽  
pp. 19039-19049 ◽  
Author(s):  
Xiao-Yu Guo ◽  
Fei Zhao ◽  
Hou-Ting Liu ◽  
Yan-Qin Wang ◽  
Zhi-Liang Liu ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Coordination Polymers ◽  
Structural Diversity ◽  
Hydrothermal Syntheses ◽  
2D And 3D

Five new Zn(ii), Cd(ii), Co(ii) and Mn(ii) MOFs based on two novel multifunctional pyridyl–tricarboxylate ligands: structures, luminescent and magnetic properties.

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