forthcoming articles

The following articles are a selection of those recently accepted for publication in Acta Crystallographica Section E: Crystallographic Communications.

See also Forthcoming articles in all IUCr journals.

Accepted 24 February 2021

Synthesis and crystal structure of allyl 7-(di­ethyl­amino)-2-oxo-2H-chromene-3-carboxyl­ate

The crystal structure of the title compound, C17H19NO4, consists of nearly planar mol­ecules that are linked by inter­molecular C—H⋯O hydrogen bonding into chains along the b-axis direction.

Accepted 23 February 2021

Crystal structures of 1-(4-chloro­phen­yl)-4-(4-methyl­phen­yl)-2,5-dioxo-1,2,5,6,7,8-hexa­hydro­quinoline-3-carb­oxy­lic acid and 4-(4-meth­oxy­phen­yl)-1-(4-methyl­phen­yl)-2,5-dioxo-1,2,5,6,7,8-hexa­hydro­quinoline-3-carbo­nitrile

The asymmetric units of compounds I and II both consist of two independent mol­ecules. In the crystal of I, mol­ecules are linked through N—H⋯O hydrogen bonds, forming inversion dimers with [R_{2}^{2}](8) ring motifs and with their mol­ecular planes parallel to (020). C—H⋯O inter­actions connect the dimers, forming a three-dimensional network. In the crystal of II, mol­ecules are linked by C—H⋯N, C—H⋯O and C—H⋯π inter­actions, resulting in a three-dimensional network.

Accepted 20 February 2021

Synthesis and structure of a complex of copper(I) with L-cysteine and chloride ions containing Cu12S6 nanoclusters

A cluster containing copper(I), L-cysteine and chloride ions was synthesized and characterized by X-ray diffraction and FTIR spectroscopy.

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