issue contents

Journal logoIUCrDATA
ISSN: 2414-3146

July 2021 issue

Highlighted illustration

Cover illustration: In bis­(ethanol-κO)bis(1-ferrocenyl-4,4,4-tri­fluoro­butane-1,3-dionato-κ2O,O′)nickel(II), the central NiII ion is observed in an octa­hedral coordination environment. The chelating β-diketonate ligands are substituted by ferrocene, a lipophilic organometallic moiety. The introduction of ferrocene in an existing bioactive mol­ecule is a promising tool for the development of new more efficient drugs with innovative mechanisms of action. See: Su, Fu & Xu [IUCrData (2021). 6, x210693].

inorganic compounds

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The crystal structure of the cluster complex [Nb6Cl12(H2O)6]I2 is described. The octa­hedral Nb6 cluster core is coordinated by twelve chlorido and six water ligands. The two iodide ions are not bonded to the cluster unit but are present in the crystal structure as the counter-anion to the cluster cation.

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The crystal structure of Ba[BrF4]2 was refined against single-crystal X-ray diffraction data collected at 100 K, confirming the previous model from powder data.

metal-organic compounds

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The synthesis and structure are reported of TpPh,4CNNi(NO3)(EtOH), an octa­hedral complex containing a tridentate cyano­scorpionate ligand, a bidentate nitrate ligand and a neutral ethanol ligand.

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In this novel trimetallic complex, the central NiII ion is six-coordinate, forming an octa­hedral [NiO6] core.

organic compounds

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In the packing of the title compound, π–π, C—H⋯O, C—H⋯Br, and N—H⋯N inter­actions are present.

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The title urea derivative forms a one-dimensional supra­molecular structure in the solid state, via inter­molecular N—H⋯O hydrogen bonds.
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