Academic literature on the topic 'Flexible chelating and bridging ligands'

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Journal articles on the topic "Flexible chelating and bridging ligands"

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Li, Jian-Rong, Ruo-Hua Zhang, and Xian-He Bu. "Dinuclear Eu(III), Gd(III), and Tb(III) Complexes of meso-1,2-Bis(ethylsulfinyl)ethane with 2,2′:62,2′′-Terpyridine as Co-ligand." Australian Journal of Chemistry 59, no. 5 (2006): 315. http://dx.doi.org/10.1071/ch06071.

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Three dinuclear lanthanide complexes of flexible disulfoxide ligand meso-1,2-bis(ethylsulfinyl)ethane (L), [Ln2(L)2(μ-L)(tpy)4](ClO4)6(CHCl3)4 (Ln = Eu 1, Gd 2) and [Tb2(L)4(μ-L)(tpy)2](ClO4)6(CHCl3) 3 with 2,2′:6′,2′′-terpyridine (tpy) as co-ligand were synthesized and structurally characterized. In 1 and 2, the metal centre is nine-coordinated to two tpy and one-and-a-half L ligands, whereas in 3 it coordinates with one tpy and two-and-a-half L, which may be attributed to the influence of the lanthanide contraction. In such complexes the disulfoxide ligands perform two kinds of coordination
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Lin, Hong-Yan, Peng Liu, Xiu-Li Wang, Chuang Xu, and Guo-Cheng Liu. "Syntheses, Structures and Electrochemical Properties of Two New Copper(II) Complexes Based on Isomeric Bis(pyridylformyl)piperazine Ligands and Rigid=Flexible Organic Dicarboxylates." Zeitschrift für Naturforschung B 68, no. 2 (2013): 138–46. http://dx.doi.org/10.5560/znb.2013-2291.

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Two new copper(II) complexes, [Cu2(3-bpfp)(2,6-PDA)2(H2O)2] (1) and [Cu(4-bpfp)0:5 (glu)]·H2O (2), have been hydrothermally synthesized by self-assembly of isomeric bis(pyridylformyl)piperazine ligands [3-bpfp=bis(3-pyridylformyl)piperazine, 4-bpfp=bis(4- pyridylformyl)piperazine], rigid pyridine-2,6-dicarboxylic acid (2,6-H2PDA) or flexible glutaric acid (H2glu), and copper(II) chloride. Single-crystal X-ray diffraction analysis reveals that two adjacent CuII ions are connected by the 3-bpfp ligand to build a dinuclear unit in complex 1, in which 2,6-PDA serves as a terminal chelating ligand.
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Jian, Shou-Jun, Qian-Qian Han, Huai-Xia Yang, and Xiang-Ru Meng. "A new three-dimensional zinc(II) coordination polymer involving 2-[(1H-1,2,4-triazol-1-yl)methyl]-1H-benzimidazole and benzene-1,4-dicarboxylate ligands." Acta Crystallographica Section C Structural Chemistry 72, no. 7 (2016): 530–35. http://dx.doi.org/10.1107/s2053229616008779.

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Metal–organic frameworks (MOFs) based on multidentate N-heterocyclic ligands involving imidazole, triazole, tetrazole, benzimidazole, benzotriazole or pyridine present intriguing molecular topologies and have potential applications in ion exchange, magnetism, gas sorption and storage, catalysis, optics and biomedicine. The 2-[(1H-1,2,4-triazol-1-yl)methyl]-1H-benzimidazole (tmb) ligand has four potential N-atom donors and can act in monodentate, chelating, bridging and tridentate coordination modes in the construction of complexes, and can also act as both a hydrogen-bond donor and acceptor. I
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Plater, M. J., B. M. De Silva, M. R. St J. Foreman, and W. T. A. Harrison. "Crystal structures of two one-dimensional coordination polymers constructed from Mn2+ ions, chelating hexafluoro-acetylacetonate anions, and flexible bipyridyl bridging ligands." Journal of Structural Chemistry 57, no. 6 (2016): 1169–75. http://dx.doi.org/10.1134/s0022476616060160.

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Jia, Weiwei, Junhua Luo, and Miaoli Zhu. "A Molecular Basketwork: Self-Assembly of Coordination Polymers from Zn(II) and Biphenyl-3,4′-dicarboxylate Regulated by Different Flexible Bridging and Chelating N-Donor Ancillary Ligands." Crystal Growth & Design 11, no. 6 (2011): 2386–97. http://dx.doi.org/10.1021/cg200142f.

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Hill, Denise D., та Edward R. T. Tiekink. "catena-Poly[[bis(O-isopropyl dithiocarbonato-κ2 S,S′)nickel(II)]-μ-1,2-di-4-pyridylethane-κ2 N:N′]". Acta Crystallographica Section E Structure Reports Online 63, № 11 (2007): m2808. http://dx.doi.org/10.1107/s1600536807051616.

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The Ni atom in the zigzag polymeric title complex, [Ni(C4H7OS2)2(C12H12N2)] n , is situated on a twofold axis and the bridging ligand situated about a centre of inversion. The structure features a distorted octahedral cis-NiN2S4 coordination geometry defined by two chelating O-isopropyl dithiocarbonate ligands and two N atoms derived from the bidentate bridging ligands.
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Tian, Hua, Ai-Ling Cheng, and En-Qing Gao. "Ferro- or antiferromagnetic interactions controlled by ditopic or chelating auxiliary ligands in 3D metal–organic frameworks." Dalton Transactions 45, no. 46 (2016): 18696–703. http://dx.doi.org/10.1039/c6dt03975h.

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Liu, Yang, та Hai-Hui Liu. "Crystal structure and fluorescence properties ofcatena-poly[[(2,2′-bi-1H-imidazole-κ2N,N′)cadmium]-di-μ-chlorido]". Acta Crystallographica Section E Crystallographic Communications 72, № 10 (2016): 1421–24. http://dx.doi.org/10.1107/s2056989016013736.

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In the polymeric title compound, [CdCl2(C6H6N4)]n, the central CdIIatom is coordinated by four chloride ligands and two N atoms from a chelating 2,2′-bi-1H-imidazole molecule, leading to a distorted octahedral Cl4N2coordination set. As a result of the μ2-bridging character of the Cl ligands, chains parallel to thecaxis are formed, with the chelating 2,2′-bi-1H-imidazole ligands decorated on both sides of the chain. The luminescence properties of the complex dispersed in dimethylformamide shows that the emission intensities are significantly quenched by nitrobenzene.
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Pham, Duyen N. K., Mrittika Roy, Ava Kreider-Mueller, James A. Golen, and David R. Manke. "The crystal structures of iron and cobalt pyridine (py)–sulfates, [Fe(SO4)(py)4] n and [Co3(SO4)3(py)11] n." Acta Crystallographica Section E Crystallographic Communications 74, no. 6 (2018): 857–61. http://dx.doi.org/10.1107/s2056989018007557.

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The solid-state structures of two metal–pyridine–sulfate compounds, namely catena-poly[[tetrakis(pyridine-κN)iron(II)]-μ-sulfato-κ2 O:O′], [Fe(SO4)(C5H5N)4] n , (1), and catena-poly[[tetrakis(pyridine-κN)cobalt(II)]-μ-sulfato-κ2 O:O′-[tetrakis(pyridine-κN)cobalt(II)]-μ-sulfato-κ3 O,O′:O′′-[tris(pyridine-κN)cobalt(II)]-μ-sulfato-κ2 O:O′], [Co3(SO4)3(C5H5N)11] n , (2), are reported. The iron compound (1) displays a polymeric structure, with infinite chains of FeII atoms adopting octahedral N4O2 coordination environments that involve four pyridine ligands and two bridging sulfate ligands. The cob
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Fontaine, Xavier L. R., Timothy P. Layzell, and Bernard L. Shaw. "Rhenium multihydride heterobimetallic complexes containing bridging and chelating diphosphine ligands." Journal of the Chemical Society, Dalton Transactions, no. 3 (1994): 379. http://dx.doi.org/10.1039/dt9940000379.

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Dissertations / Theses on the topic "Flexible chelating and bridging ligands"

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Adams, Jeramie J. "New classes of bridging and chelating ligand motifs emphasizing: ruthenium(II) molecular squares, ruthenium(II) diphosphino carborane complexes, and acceptor PCP complexes of platinum(II), iridium(I/III), and ruthenium(II)." Laramie, Wyo. : University of Wyoming, 2008. http://proquest.umi.com/pqdweb?did=1663059861&sid=2&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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