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Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296

September 2022 issue

Highlighted illustration

Cover illustration: The novel quaternary thio­germanate Li4CdGe2S7 was discovered from a solid-state reaction at 750 °C. The com­pound adopts the Cu5Si2S7 structure type, which is a derivative of lonsdaleite. Li4CdGe2S7 appears to be a better IR nonlinear optical candidate than Li2CdGeS4 and one of the most promising contenders to date. See Craig, Shin, Cho, Balijapelly, Kelly, Stoyko, Choudhury, Jang & Aitken [Acta Cryst. (2022), C78, 470–480].

research papers


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The synthesis and crystal structures of two new 1,2,4-triazine-containing sulfonamide derivatives, which crystallized in two different tautomeric forms, are reported. The tautomeric equilibrium for each of the possible tautomeric forms was performed in the gaseous phase and in chloro­form, ethanol and water solutions using the DFT method.

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The novel quaternary thio­germanate Li4CdGe2S7 was discovered from a solid-state reaction at 750 °C. The com­pound adopts the Cu5Si2S7 structure type, which is a derivative of lonsdaleite. Li4CdGe2S7 appears to be a better IR nonlinear optical candidate than Li2CdGeS4 and one of the most promising contenders to date.

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A cadmium(II) com­pound, prepared by reaction of Cd(NO3)2·6H2O with homophthalic acid and 4,4′-bis­(2-methyl­imidazol-1-yl)biphenyl in a mixture of H2O and di­methyl­formamide, possesses a new two-dimensional layer based on one-dimensional [Cd(HMPH)]n chains. The com­pound displays a highly selective and sensitive sensing for nitro­furan­toin (NFT) in aqueous solution. In addition, it displays a high photocatalytic activity for the degradation of methyl­ene blue (MB) in water under UV-light irradiation.

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A mixed-valence Co6 cluster was synthesized and characterized. It exhibits a defect disk-shaped architecture. DC magnetic property studies in the 2.0–300 K range revealed anti­ferromagnetic inter­actions between the CoII ions.

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The structure of novel N-(2-hy­droxy-5-methyl­phen­yl)-2,3-di­meth­oxy­benz­amide displays only one inter­molecular hydrogen bond. The com­pound shows high activity but its toxicology is poor. Considering experimental antimicrobial values, it exhibits the best activity against Gram-positive B. subtilis bacteria and Gram-negative P. aeruginosa bacteria. However, according to mol­ecular docking results, the target com­pound showed the best activity against Gram-positive B. licheniformis bacteria and the fungi A. flavus and C. utilis.

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Di­chlorido­iron(III) com­plexes of two stereoisomers of a tetra­aza­macrocycle are examined. The stereoisomerism of the macrocycle is shown to determine the geometric isomerism of the resulting metal com­plex, and these results are com­pared to relevant previous reports.

Special and virtual issues

Selected special issues published in Acta Crystallographica Section C

Halogen, chalcogen, pnictogen and tetrel bonds: structural chemistry and beyond (May 2023)

Polyoxometalates (November 2018)

NMR Crystallography (March 2017)

Scorpionates: a golden anniversary (November 2016)

Full details are available on the special issues page.

An interesting virtual collection features Coordination polymers, with an introduction by Len Barbour.

What are the 'most read' articles from the recent special issues?

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