Tuning Structures and Properties of Coordination Polymers by the Noncoordinating Backbone of Bridging Ligands

Du, Miao; Bu, Xian‐He

doi:10.1002/9780470467336.ch6

Cited by 3 publications

(2 citation statements)

References 157 publications

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“…Within this frame, the selection of the appropriate metal ion as well as the linkers will determine the molecular array, the intermolecular interactions, and, thus, the final crystal packing. While metal ions act as nodes and mainly determine the dimensionality through its geometry, modulation of the organic linkers (flexibility, length, or symmetry) drives the assembly of different architectures and therefore functionalities. − …”

Section: Introductionmentioning

confidence: 99%

Steric and Electronic Effects on the Structure and Photophysical Properties of Hg(II) Complexes

et al. 2021

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Since many factors influence the coordination around a metal center, steric and electronic effects of the ligands mainly determine the connectivity and, thus, the final arrangement. This is emphasized on Hg(II) centers, which have a zero point stabilization energy and, thus, a flexible coordination environment. Therefore, the unrestricted Hg(II) geometry facilitates the predominance of the ligands during the structural inception. Herein, we synthesized and characterized a series of six Hg(II) complexes with general formula (Hg(Pip) 2 (dPy)) (Pip = piperonylate, dPy = 3phenylpyridine (3-phpy) (1), 4-phenylpyridine (4-phpy) (2), 2,2′bipyridine (2,2′-bipy) (3), 1,10-phenanthroline (1,10-phen) (4), 2,2′:6′,2′-terpyridine (terpy) (5), or di(2-picolyl)amine (dpa) ( 6)). The elucidation of their crystal structures revealed the arrangement of three monomers (3, 5, and 6), one dimer (4), and two coordination polymers (1 and 2) depending on the steric requirements of the dPy and predominance of the ligands. Besides, the study of their photophysical properties in solution supported by TD-DFT calculations enabled us to understand their electronic effects and the influence of the structural arrangement on them.

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Section: Introductionmentioning

confidence: 99%

Steric and Electronic Effects on the Structure and Photophysical Properties of Hg(II) Complexes

et al. 2021

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“…On the other hand, the geometrical flexibility of silver(I) also offers an opportunity to explore the inherent influence of the ligand functionality on forming the resulting coordination architectures. In this context, a variety of organic ligands containing different backbones and functional groups have been used to assemble one-, two-, and three-dimensional (1-D, 2-D, and 3-D) silver(I) coordination motifs. − However, the effect of coordination-unfavored substituent groups for the bridging ligands on the formation of silver(I) coordination polymers has scarcely been demonstrated so far …”

Section: Introductionmentioning

confidence: 99%

Structural Modulation and Properties of Silver(I) Coordination Frameworks with Benzenedicarboxyl Tectons and trans-1-(2-Pyridyl)-2-(4-pyridyl)ethylene Spacer

Chen

et al. 2010

Crystal Growth & Design

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A series of silver(I) coordination polymers have been synthesized by the combination of an extended 2,4 0 -bipyridyl linker trans-1-(2-pyridyl)-2-(4-pyridyl)ethylene (bpe) and different benzenedicarboxyl tectons, including isophthalic acid (H 2 ip), 5-sulfoisophthalic acid (H 3 sip), terephthalic acid (H 2 tp), 2-aminoterephthalic acid (H 2 ata), and 2-bromoterephthalic acid (H 2 bta). Single-crystal X-ray diffraction indicates that the structural patterns of these polymeric complexes diversify from two-dimensional (2-D) (3,4,5)-connected (for 2) or 6 3 (for 3 and 4) layers to three-dimensional (3-D) (10,3)-b (for 1) or 8-nodal self-penetrating (for 5) networks. Interestingly, the Ag I centers can show various coordination spheres such as linear, trigonal, tetrahedral, and square-pyramidal geometries. The results clearly reveal that the dicarboxyl building blocks with different dispositions of the carboxyl sites and uncoordinated substituent groups, are the crucial factors for structural assemblies of such extended frameworks. Solid-state properties for these crystalline materials have also been investigated, which display modest thermal stability and strong fluorescent emission at room temperature.

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ChemInform Abstract: Tuning Structures and Properties of Coordination Polymers by the Noncoordinating Backbone of Bridging Ligands

Du¹,

2010

ChemInform

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Tuning Structures and Properties of Coordination Polymers by the Noncoordinating Backbone of Bridging Ligands

Cited by 3 publications

References 157 publications

Steric and Electronic Effects on the Structure and Photophysical Properties of Hg(II) Complexes

Steric and Electronic Effects on the Structure and Photophysical Properties of Hg(II) Complexes

Structural Modulation and Properties of Silver(I) Coordination Frameworks with Benzenedicarboxyl Tectons and trans-1-(2-Pyridyl)-2-(4-pyridyl)ethylene Spacer

ChemInform Abstract: Tuning Structures and Properties of Coordination Polymers by the Noncoordinating Backbone of Bridging Ligands

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