A Double-Walled Hexagonal Supermolecule Assembled by Guest Binding

Cho, Young Lag; Uh, Hae‐Won; Chang, Soo-Ho; Chang, Hong‐Young; Choi, Moon‐Gun; Shin, Injae; Jeong, Kyu Sung

doi:10.1021/ja005695i

Cited by 44 publications

(15 citation statements)

References 16 publications

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“…3) as well as on two different weak interactions and reversible bonds. Provisionally, it should suffice to categorize these by the operating interactions: two different metal-ligand interactions, [9][10][11][12][13] metal-ligand coordination + reversible covalent bond, [14,15] metal-ligand coordination + ion-dipole interaction, [7,16] metal-ligand coordination + hydrogen bonding, [17,18] metal-ligand coordination + p-p stacking, [19] reversible covalent bond + ion-dipole interaction, [20] and two different reversible covalent bonds. [21] Supramolecular multicomponent (n !…”

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confidence: 99%

Diversity and Complexity through Reversible Multiple Orthogonal Interactions in Multicomponent Assemblies

Schmittel

Mahata

2008

Angew Chem Int Ed

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Diversity and Complexity through Reversible Multiple Orthogonal Interactions in Multicomponent Assemblies

Schmittel

Mahata

2008

Angew Chem Int Ed

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“…Interest in the oligonuclear analogs is much less intense [1,2] despite the obvious advantage of a greater possibility for the formation of crystals by recrystallization that should result from these compounds with lower molecular weights. Interest in the oligonuclear analogs is much less intense [1,2] despite the obvious advantage of a greater possibility for the formation of crystals by recrystallization that should result from these compounds with lower molecular weights.…”

Section: Commentmentioning

confidence: 99%

Crystal Structure of Di[oxydiacetatozinc(ii)]4,4'-Bipyridine

Tao¹,

Yin²,

Zheng³

et al. 2002

Main Group Metal Chemistry

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Figure 1. ORTEP plot of the centrosymmetric title complex at the 50% probability level. Selected bond distances and angles: Znl-Ol = 2.060(2), Znl-03 = 2.064(2), Znl-05 = 2.122(2), Znl-Olw = 2.090(3), Znl-02w = 2.137(3), Znl-N1 = 2.063(3) Ä; Ol-Znl-03 = 152.3(1), Ol-Znl-05 = 76.1(1), Ol-Znl-Olw = 93.8(1), Ol-Znl-02w = 88.9(1), Ol-Znl-N1 = 103.5(1), 03-Znl-05 = 76.3(1), 03-Znl-Olw = 87.5(1), 03-Znl-02w = 87.8(1), 03-Znl-N1 = 104.2(1), 05-Znl-Olw = 87.4(1), 05-Znl-02w = 88.3(1), 05-Znl-N1 = 178.2(1), Olw-Znl-N1 = 90.9(1), Olw-Znl-02w = 174.3(1), 02w-Znl-N1 = 93.4(1)°. Symmetiy transformation: /= 1 -χ, 1 -y, 1 -z. CommentThe 4,4'-bipyridine spacer ligand has been used for the construction of an enormous .number of supramolecular one-, two-and three-dimensional metal-organic assemblies. Interest in the oligonuclear analogs is much less intense [1,2] despite the obvious advantage of a greater possibility for the formation of crystals by recrystallization that should result from these compounds with lower molecular weights. For the zinc(II) metal system in particular, the attempt to synthesize the 4,4'-bipyridine complex of zinc isophthalate afforded a photoluminescent layer-structured compound [3] whereas with zinc succinate, a chain compound is formed from the succinato entity, the 4,4'-bipyridine using only one of the nitrogen atoms to coordinate [4], Blocking three coordination sites by a tridendate dicarboxylato group should lead to the formation of a binuclear complex, and this has now been verified by the centrosymmetric title zinc oxydiacetate adduct. The octahedral geometry is completed by one half of the 4,4'-bipyridine ligand, and by two water molecules that are trans-to each other (Figure 1). The dinuclear units are connected by hydrogen bonds; the carboxyl oxygen atoms each forms only one hydrogen bond [2.730(3), 2.766(3) Ä] and the carbonyl oxygen atoms each form a pair of hydrogen bonds [2.791(4), 2.831(4) A; 2.811(4), 2.842(4) A] to fiirnish a network structure (Figure 2). In the mononuclear 2,2'-bipyrine adduct, the dianion also chelates to the zinc atom, which is also coordinated by a water molecule in an octahedral environment [5], ExperimentalThe title compound was obtained from a hydrothermal synthesis by reacting zinc nitrate, oxydiacetic acid, 4,4'-bipyridine and sodium hydroxide in a 1:1:1:2 molar ratio at 140 °C for 60 hours. CHN analysis: C 32.61, Η 4.20, Ν 4.32%. Calc. for C 18 H 2 8N 2 0 16 Zn 2 : C 32.80, Η 4.28, Ν 4.25%. 321Brought to you by | Purdue University Libraries Authenticated Download Date | 6/8/15 2:52 PM

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“…The reaction of transition metals with organic linkages has led to a rich assortment of molecular geometries, including the equivalents of squares, pentagons, hexagons, cubes, tetrahedra, and double hexagons [1][2][3][4][5][6][7][8][9]. These molecules have been designed to have high structural integrity, adjustable cavities, high surface area, and uniform pores to serve as new materials for ion exchange, sensor applications, molecular or chiral recognition, catalysis, environmental remediation, and drug delivery.…”

Section: Introductionmentioning

confidence: 99%

“…The only use of silicon as the metal in a dicatechol is found in two studies by Shea and co-workers. They examined the reaction of the simplest such catechol (8) with triethoxyphenylsilane in the presence of triethylamine (to neutralize the acid produced and to provide the counterion), but obtained a linear oligomer roughly of the type 4 (but higher oligomerization) with end-group oxidation [27]. The product darkened upon standing in air.…”

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confidence: 99%