Helical Coordination Polymers with Large Chiral Cavities

Biradha, Kumar; Seward, Corey; Zaworotko, Michael J.

doi:10.1002/(sici)1521-3773(19990215)38:4<492::aid-anie492>3.3.co;2-r

Cited by 93 publications

(120 citation statements)

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“…The primary strategy employed in preparation of many types of coordination polymers assumes propagation of known coordination geometry with a rigid bifunctional spacer ligand. This approach has resulted in characterization of a number of obvious motifs, including one-dimensional chains, helicates [5], two-dimensional (2 D) layered structures, three-dimensional frameworks [6] and in many cases desired geometry of the structure may be tuned by functionality of the anion and spacer ligand [7]. Thus, rational design of magnetic materials implies the selection of appropriate bridging ligands which favor the magnetic coupling between metallic centres [8].…”

Section: Introductionmentioning

confidence: 99%

Molecular “Multi-rod Cable” {[Co(NC5H4-CH=CH-C6H4-CH=CH-C5H4N)(HCOO)2]8}n: A Novel Supramolecular Architecture by Cooperation of Coordination and Stacking Interactions

Domasevitch¹,

Sieler²,

Русанов³

et al. 2002

Z. anorg. allg. Chem.

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The cobalt-formate coordination polymers {[Co-(bpyph)(HCOO) 2 ] 8 } n (1) (bpyph = 1,4-bis(2-(4-pyridyl)ethenyl)benzene) and {[Co(HCONH 2 ) 2 (HCOO) 2 ]} n (2) have been prepared by interaction of Co(NO 3 ) 2´6 H 2 O in formamide solution with generation of formate anion by hydrolysis of the solvent. Coordination polymer 1 reveals an unprecedented example of ªmolecular multi-rod cableº architecture, in which eight single ªmolecular wiresº {[Co(bpyph)]} n are interlinked by bridging formate anions to give infinite octameric chains. The formate groups adopt mono-, and biand tridentate bridging and chelate modes of coordination (Co±O 1.966±2.134 A Ê ). The coordination geometry around the cobalt atoms is essentially dominated by the demands for most effective packing of parallel situated polycyclic aromatic ligands, with extensive CH´´´p, or edge-to-face stacking interactions within the single octameric chain as well as between the closest neighbours (C´´´C separations within this stack are ca. 3.50 A Ê ). Ein mehradriges molekularesKabel ± eine neuartige supramolekulare Architektur durch Kooperation von Koordinations-und Stapelwechselwirkung Inhaltsu È bersicht. Die Koordinationspolymere der Cobaltformiate {[Co(bpyph)(HCOO) 2 ] 8 } n (1) (bpyph = 1,4-bis(2-(4-pyridyl)ethenyl)benzol) und {[Co(HCONH 2 ) 2 (HCOO) 2 ]} n (2) wurden durch Reaktion von Co(NO 3 ) 2´6 H 2 O mit einer Formamidlo È sung unter Bildung des Formiatanions durch Hydrolyse des Lo È sungsmittels synthetisiert. Das Koordinationspolymer 1 zeigt eine neuartige Architektur eines molekularen, mehradrigen Kabels, in welchem acht ªmolekulare Dra È hteº {[Co(bpyph)]} n durch verbru È ckende Formiatanionen verknu È pft sind. Die Formiatgruppe bildet ein-, zwei-oder dreiza È hlige verbru È ckende und chelatisierende Koordinationsmodi aus (Co±O 1.966±2.134 A Ê ). Die Koordinationsgeometrie des Cobaltatoms wird im wesentlichen dominiert durch effektive Packung der parallel angeordneten polycyclischen aromatischen Liganden mit ausgepra È gten CH´´´p-Wechselwirkungen oder Kanten zu Fla È chen Stapelungen innerhalb der einzelnen oktameren Ketten als auch zwischen den engsten Nachbarn (C´´´C-Absta È nde innerhalb der Stapel betragen ca. 3.50 A Ê ).

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Section: Introductionmentioning

confidence: 99%

Molecular “Multi-rod Cable” {[Co(NC5H4-CH=CH-C6H4-CH=CH-C5H4N)(HCOO)2]8}n: A Novel Supramolecular Architecture by Cooperation of Coordination and Stacking Interactions

Domasevitch¹,

Sieler²,

Русанов³

et al. 2002

Z. anorg. allg. Chem.

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“…In recent years, the controlled self-assembly of coordination polymers based on metal ions and organic ligands has attracted great attentions due to their intriguing structural topologies and their potential applications in many fields such as gas storage, molecular magnetism and luminescence [1][2][3][4][5][6][7][8][9][10][11][12]. Benzenedicarboxylate ligands have been viewed as a good candidate for constructing metalorganic frameworks (MOFs) due to their variety of coordination modes such as monodentate, bidentate chelating, bis-monodenate and so on [13][14][15][16].…”

Section: Introductionmentioning

confidence: 87%

Synthesis, Crystal Structures and Luminescent Properties of pH-Dependent Zn (II) Coordination Polymers

Sun

et al. 2012

J Inorg Organomet Polym

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Two new coordination polymers [Zn(L)(bib)] n (1) and [Zn(L)(bib) 0.5 ] n (2) [L = 5-hydroxyisophthalic acid and bib = 1,4-bis(2-methyl-imidazol-1-yl)butane] have been synthesized and characterized. X-ray single crystal diffractions show that complex 1 is a 2D layered structure and complex 2 is a 3D 6-connected topological net. Complex 1 are further assembled into a 3D supramolecular structure by intermolecular hydrogen bonding. Complex 2 features a two-fold interpenetrated pcu topology. Moreover, the fluorescent properties of complexes 1 and 2 were studied in the solid state at room temperature.

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“…It is possible to construct various structures [2][3][4][5][6][7][8] for porous assembled iron complexes bridged by bis (4-pyridyl) type ligand. We have studied iron complexes bridged by 1,3-bis(4-pyridyl)propane (bpp), which has three methylenes, by using single crystal X-ray diffraction analysis, Mössbauer spectroscopy, and SQUID measurements.…”

Section: Introductionmentioning

confidence: 99%

Crystal structure and spin state of mixed-crystals of iron with NCS and NCBH3 for the assembled complexes bridged by 1,3-bis(4-pyridyl)propanes

Dote

Yasuhara

Nakashima

2014

J Radioanal Nucl Chem

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Helical Coordination Polymers with Large Chiral Cavities

Cited by 93 publications

References 0 publications

Molecular “Multi-rod Cable” {[Co(NC5H4-CH=CH-C6H4-CH=CH-C5H4N)(HCOO)2]8}n: A Novel Supramolecular Architecture by Cooperation of Coordination and Stacking Interactions

Molecular “Multi-rod Cable” {[Co(NC5H4-CH=CH-C6H4-CH=CH-C5H4N)(HCOO)2]8}n: A Novel Supramolecular Architecture by Cooperation of Coordination and Stacking Interactions

Synthesis, Crystal Structures and Luminescent Properties of pH-Dependent Zn (II) Coordination Polymers

Crystal structure and spin state of mixed-crystals of iron with NCS and NCBH3 for the assembled complexes bridged by 1,3-bis(4-pyridyl)propanes

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