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September 2022 issue
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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.
CCDC reference: 2195746
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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.
CCDC reference: 2203122
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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.
CCDC reference: 1991979
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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.
CCDC reference: 2174193
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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.