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April 2024 issue
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The crystal structure of the first reported glyoxal–tetraazamacrocycle condensate amine oxide is presented. The sterically hindered oxidized amine binds zinc(II) through the oxygen atom in its folded cleft, with an internal hydrogen bond across the cleft between the oxygen and a protonated tertiary nitrogen.
CCDC reference: 2335501
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The title compound, C14H12N2O4, obtained from 2-acetyl-6-aminonaphthalene through two-step reactions of acetylation and nitration, is a Prodane fluorescent dye. In the crystal, the molecules are assembled into two-dimensional sheet-like structures by intermolecular N—H⋯O hydrogen bonding and π–π stacking interactions. Hirshfeld surface analysis indicates that the most important contributions to the crystal packing are from O⋯H/H⋯O (43.7%), H⋯H (31.0%), and C⋯H/H⋯C (8.5%) contacts.
CCDC reference: 2333518
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The CoII-catalysed synthesis and crystal structure is reported for the title compound, which features a symmetric N⋯H+⋯N unit.
CCDC reference: 2238764
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The structures of ten phosphane chalcogenide complexes of gold(III) halides are presented and compared.
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The crystal structure of the anionic lutetium(III) tetrakis-CAPh complex (CAPh = carbacylamidophosphate) with tetraphenyl phosphate as the cation, PPh4[LuL4], is presented and discussed.
CCDC reference: 2337153