Syntheses, Structures, and Luminescent Properties of Two Cadmium(II) Coordination Compounds based on a Sulfonate Functionalized Terpyridine Ligand

Shen, Sa-Sa; Bai, Chao; Hu, Huai‐Ming; Yuan, Fei; Wang, Xiaofang; Xue, Ganglin

doi:10.1002/zaac.201500210

Cited by 5 publications

(2 citation statements)

References 23 publications

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“…For the divergent 4,2′:6′,4″-tpy, [Cd( 52 )(OH 2 ) 2 ] n (H 2 52 is defined in Figure 35 ) is a sole example of a cadmium(II)-containing coordination polymer with a sulfonato-functionalized 4,2′:6′,4″-tpy ligand for which structural data are available. Two independent reports of the synthesis and structure of [Cd( 52 )(OH 2 ) 2 ] n appeared in 2015 [ 95 , 96 ]. The compound was prepared under hydrothermal conditions from H 2 52 and either CdCO 3 or CdCl 2 ·2.5H 2 O, and crystallizes in the triclinic space group P –1.…”

Section: 42′:6′4″-terpyridinementioning

confidence: 99%

Isomers of Terpyridine as Ligands in Coordination Polymers and Networks Containing Zinc(II) and Cadmium(II)

Housecroft

Constable

2021

Molecules

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The use of divergent 4,2’:6’,4”- and 3,2’:6’,3”-terpyridine ligands as linkers and/or nodes in extended coordination assemblies has gained in popularity over the last decade. However, there is also a range of coordination polymers which feature 2,2’:6’,2”-terpyridine metal-binding domains. Of the remaining 45 isomers of terpyridine, few have been utilized in extended coordination arrays. Here, we provide an overview of coordination polymers and networks containing isomers of terpyridine and either zinc(II) and cadmium(II). Although the motivation for investigations of many of these systems is their luminescent behavior, we have chosen to focus mainly on structural details, and we assess to what extent assemblies are reproducible. We also consider cases where there is structural evidence for competitive product formation. A point that emerges is the lack of systematic investigations.

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Section: 42′:6′4″-terpyridinementioning

confidence: 99%

Isomers of Terpyridine as Ligands in Coordination Polymers and Networks Containing Zinc(II) and Cadmium(II)

Housecroft

Constable

2021

Molecules

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“…There are a few examples of 4,2’:6’,4”-tpy ligands acting in a monodentate mode [3,4,5,6,7] but, typically, 4,2’:6’,4”-tpy coordinates through the two outer nitrogen atoms, with the central nitrogen atom non-coordinated. Therefore, ligands based upon a 4,2’:6’,4”-tpy metal-binding domain present moderately rigid, well-defined V-shaped motifs (Scheme 1a) which are ideal linkers in coordination assemblies.…”

Section: Introductionmentioning

confidence: 99%

4,2’:6’,4”- and 3,2’:6’,3”-Terpyridines: The Conflict between Well-Defined Vectorial Properties and Serendipity in the Assembly of 1D-, 2D- and 3D-Architectures

et al. 2017

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A comparative investigation of the coordination assemblies formed between Co(NCS)2 and two monotopic 4,2’:6’,4’’-terpyridine (4,2’:6’,4”-tpy) ligands or two related ditopic ligands is reported. Crystals were grown by layering MeOH solutions of Co(NCS)2 over a CHCl3 or 1,2-C6H4Cl2 solution of the respective ligand at room temperature. With 4’-(2-methylpyrimidin-5-yl)-4,2’:6’,4”-terpyridine (6), the 1D-coordination polymer {[Co2(NCS)4(MeOH)4(6)2]∙2MeOH∙8H2O}n assembles with 6 coordinating only through the outer N-donors of the 4,2’:6’,4”-tpy unit; coordination by the MeOH solvent blocks two cobalt coordination sites preventing propagation in a higher-dimensional network. A combination of Co(NCS)2 and 1-(4,2‘:6’,4”-terpyridin-4’-yl)ferrocene (7) leads to {[Co(NCS)2(7)2]∙4CHCl3}n which contains a (4,4) net; the 2D-sheets associate through π-stacking interactions between ferrocenyl and pyridyl units. A 3D-framework is achieved through use of the ditopic ligand 1,4-bis(npropoxy)-2,5-bis(4,2’:6’,4”-terpyridin-4’-yl)benzene (8) which acts as a 4-connecting node in {[Co(NCS)2(8)2]∙2C6H4Cl2}n; the combination of metal and ligand planar 4-connecting nodes results in a {65.8} cds net. For a comparison with the coordinating abilities of the previously reported 1,4-bis(noctoxy)-2,5-bis(4,2’:6’,4”-terpyridin-4’-yl)benzene (3), a more flexible analogue 9 was prepared. {[Co(NCS)2(9)]∙2CHCl3}n contains a (4,4) net defined by both metal and ligand planar 4-connecting nodes. The noctoxy tails of 9 protrude from each side of the (4,4) net and thread through adjacent sheets; the arene-attached noctoxy chains associate through a combination of van der Waals and C–H...π interactions.

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Sulfonate‐Ligated Coordination Polymers Incorporating Paramagnetic Transition Metals

2019

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The functionalized linker SNDC (4,8-disulfonyl-2,6naphthalenedicarboxylate) has been incorporated into 2D extended structures featuring Fe II or Co II . These materials are isostructural and exhibit coordination via both the carboxylate and sulfonate groups of the SNDC linker. The variable temperature magnetic behavior of the Fe II and Co II materials has also been measured. A simplified model of these systems implies weak 929 E.

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Syntheses, Structures, and Luminescent Properties of Two Cadmium(II) Coordination Compounds based on a Sulfonate Functionalized Terpyridine Ligand

Cited by 5 publications

References 23 publications

Isomers of Terpyridine as Ligands in Coordination Polymers and Networks Containing Zinc(II) and Cadmium(II)

Isomers of Terpyridine as Ligands in Coordination Polymers and Networks Containing Zinc(II) and Cadmium(II)

4,2’:6’,4”- and 3,2’:6’,3”-Terpyridines: The Conflict between Well-Defined Vectorial Properties and Serendipity in the Assembly of 1D-, 2D- and 3D-Architectures

Sulfonate‐Ligated Coordination Polymers Incorporating Paramagnetic Transition Metals

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