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ISSN: 2414-3146

May 2022 issue

Highlighted illustration

Cover illustration: The asymmetric unit of the salt 1,1′-methyl­enebis(4,4′-bipyridin-1-ium) dibromide comprises half of the mol­ecule and a bromide ion. The chevron-shaped cations stack as columns in the [001] direction with suitable inter­molecular distances for π–π inter­actions. These cationic columns are further stabilized by inter­columnar C—H⋯N hydrogen bonding with the bromide ions distributed between them. See: Schuster, Nesterov & Smucker [IUCrData (2022). 7, x220526].

metal-organic compounds


organic compounds


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In the title mol­ecular salt, the components are linked by N—H⋯O and C—H⋯O hydrogen bonds.

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The title compound is a λ5-di­aryl­iodosyl salt capable of sulfide oxidations.

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The asymmetric unit of the title salt comprises half of the mol­ecule and a bromide ion. The chevron-shaped cations stack as columns that are stabilized by through space electrostatic inter­actions and inter­columnar hydrogen bonding.

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Cations of the title compound inter­act via π–π inter­actions and hydrogen bond with water to form a zigzag ribbon.
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