Supramolecular inclusion of a pillared double-layered host by an anion-directed second-sphere coordination

Autor:	Fang Xia, Fang Guo, Jian Tong, Wen-Sheng Guo, Na Lu
Rok vydání:	2010
Předmět:	Crystallography chemistry.chemical_compound Coordination sphere Hydrogen bond Ligand Chemistry Stereochemistry Supramolecular chemistry Molecule Protonation General Chemistry Benzene Ion
Zdroj:	Supramolecular Chemistry. 22:548-553
ISSN:	1029-0478 1061-0278
DOI:	10.1080/10610278.2010.497210
Popis:	In this paper, we have illustrated the utilisation of a second-sphere coordination approach to construct supramolecular inclusion solids with varieties of guest molecules. A flexible molecule N,N,N′,N′-tetra-p-methylbenzyl-ethylenediamine (L1) bearing doubly protonated H-bond donors was designed, capable of forming N–H…Cl hydrogen bonds with a crystallographically unique chloride anion, to construct an anion-directed ligand. The pillared double-layered host framework was constructed by an anion-directed ligand and primary coordination sphere [CoCl4]2 − through weak C–H…Cl hydrogen-bonding interactions. A variety of guest molecules, such as p-anisaldehyde, 1,4-dimethoxy-2,5-bis(methoxymethyl)benzene, can be included, leading to the formation of novel supramolecular inclusion solids: [L1]·4[H]+·[CoCl4]2 − ·2Cl− ·1.5[C8H8O2]·0.25[CH3OH] (1) and [L1]·4[H]+·[CoCl4]2 − ·2Cl− ·1.5[C12H20O4]·0.5[CH3OH] (2). We have presented herein the utilisation of a second-sphere coordination approach to construct supramolecu...
Databáze:	OpenAIRE
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