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Guest Segregation in Heteromeric Multicage Systems.
J Am Chem Soc
January 2025
Department of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn Str. 6, 44227 Dortmund, Germany.
Dynamically interconvertible metallo-supramolecular multicomponent assemblies, coexisting orthogonally in solution, serve as simplified mimics for complex networks found in biological systems. Building on recent advances in controlling the nonstatistical self-assembly of heteroleptic coordination cages and heteromeric completive self-sorting, i.e.
View Article and Find Full Text PDFCrystal structure of bis-(μ-5-nona-noylquinolin-8-olato)bis-[aqua-dichlorido-indium(III)].
Acta Crystallogr E Crystallogr Commun
September 2024
Technische Universität Bergakademie Freiberg, Leipziger Str. 29, D-09596 Freiberg/Sachsen, Germany.
Crystallization of 5-nona-noyl-8-hy-droxy-quinoline in the presence of InCl in aceto-nitrile yields a dinuclear In complex crystallizing in the space group . In this complex, [In(CHNO)Cl(HO)], each indium ion is sixfold coordinated by two chloride ions, one water mol-ecule and two 8-quinolino-late ions. The crystal of the title complex is composed of two-dimensional supra-molecular aggregates, resulting from the linkage of the O-H⋯O=C and O-H⋯Cl hydrogen bonds as well as bifurcated C-H⋯Cl contacts.
View Article and Find Full Text PDFSubstitutional/positional disorder of biguanide and guanylurea in the structure of a decavanadate complex [(Bg)(HVO)][(HGU)(VO)](HMet)(HO)·8HO.
Acta Crystallogr B Struct Sci Cryst Eng Mater
October 2024
Home School, PO Box 43, Chom Surong, Nakhon Ratchasima, 30001, Thailand.
A hydrated salt of decavanadate containing diprotonated metforminium(2+) (HMet), hydronium (HO) and either neutral biguanide (Bg) or monoprotonated guanylurea (HGU) exhibits a previously seen complex charge-stabilized hydrogen-bonded network [Chatkon et al. (2022). Acta Cryst.
View Article and Find Full Text PDFThe Halogen Bond to Ethers - Prototypic Molecules and Experimental Electron Density.
ACS Omega
August 2024
Inorganic Chemistry, TU Dortmund University, Otto-Hahn-Straße 6, 44227 Dortmund, Germany.
Halogen bonds to dialkyl ether molecules have remained largely unexplored. We here address the synthesis and the structural chemistry of the first halogen-bonded noncyclic alkyl ethers, combining 1,4-diiodotetrafluorobenzene and the prototypic or commonly used ethers dimethyl ether, tetrahydrofuran, and methyl--butyl ether as halogen acceptors. Two different structural motifs based on moderately strong halogen bonds were obtained: Discrete trimolecular aggregates are formed, and unexpected halogen-bonded supramolecular chain adducts feature oxygen-bifurcated halogen bonds with 1:1 donor:acceptor ratio.
View Article and Find Full Text PDFModulation of the isomerization of iminothioindoxyl switches by supramolecular confinement.
Chem Commun (Camb)
August 2024
Department of Chemistry - Ångström Laboratory, Uppsala University, Box 523, 751 20 Uppsala, Sweden.
Here we present the formation of an iminothioindoxyl (ITI)⊂Cage complex that retains the photochemical properties of the photoswitch within a confined environment in water. At the same time, besides ultrafast switching inside the cage, the ITI photoswitch displays an intriguing bifurcation of the excited state isomerization pathway when encapsulated.
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