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ISSN: 2414-3146

October 2020 issue

Early view articles

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inorganic compounds

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Al2.95Cr0.59 was synthesized by high-pressure sinter­ing (HPS). It has a slightly lower Al content than the closely related η-Al11Cr2 phase.

metal-organic compounds

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The crystal structure of [Pb3(C4H7O2)6(H2O)2]n was redetermined, revealing details of the disorder of one of the hydro­carbon chains in one of the six independent 2-methyl­propano­ate anions.

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The coordination of the ZnII central atom in the title complex, [Zn(C15H10ClN3)(NO3)2], exists in a distorted trigonal bipyramidal geometry defined by the nitro­gen atoms of the 4-chloro­terpyridine ligand and two monodentate nitrate groups.

organic compounds

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The title mol­ecule is essentially flat; in the crystal the mol­ecules are linked by a system of hydrogen bonds formed by the hydrazido group and consisting of chains of fused rings.

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The mol­ecular structure of pyridine-4-carboxamidoxime N-oxide is presented, which gives a two-dimensional supra­molecular crystal structure.

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The crystal structure of a meth­oxy-substituted Cookson's dione derivative is presented.

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In the crystal of the title compound, mol­ecules are linked by C—H⋯O hydrogen bonds and a C—H⋯π inter­action, forming a supra­molecular framework.

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The title compound is nearly planar with a dihedral angle between the aromatic rings of 1.41 (8)°. The phenolic O atom is deprotonated and the N atom of the azomethine unit carries the proton, thereby forming an intra­molecular N—H⋯O hydrogen bond. In the crystal, the mol­ecules form inversion dimers via pairwise O—H⋯O hydrogen bonds.
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