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October 2020 issue
inorganic compounds
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Crystal structure of Al2.95Cr0.59, a phase closely related to the η-phase in the binary Al–Cr system
Al2.95Cr0.59 was synthesized by high-pressure sintering (HPS). It has a slightly lower Al content than the closely related η-Al11Cr2 phase.
CCDC reference: 2040163
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.
CCDC reference: 2034493
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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.
CCDC reference: 2035884
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In the structure of the title compound, [CdCl2(C3H5NS2)3]n, the CdII atom is coordinated by three S and three Cl atoms in a mer arrangement.
CCDC reference: 2040604
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The title CuII complex shows the typical Jahn–Teller distortion of the octahedral coordination sphere, defined by the N atoms of a 4,4′-dimethoxy-2,2′-bipyridine and two acetonitrile ligands in the equatorial plane and two O atoms of trifluoromethanesulfonate anions in the elongated axial positions.
CCDC reference: 2039861
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.
CCDC reference: 2032776
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The molecular structure of pyridine-4-carboxamidoxime N-oxide is presented, which gives a two-dimensional supramolecular crystal structure.
CCDC reference: 2035503
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The crystal structure of a methoxy-substituted Cookson's dione derivative is presented.
CCDC reference: 1902538
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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.
CCDC reference: 2039333
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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.
CCDC reference: 2038926
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The title compound features a twisted, tetra-substituted pyrrolidine ring, and has an N-bound ethylcarboxylate substituent with the N atom flanked by a methylene group on one side and a C-bound 4-methoxyphenyl group on the other. These carbon atoms are linked by two methine carbon atoms, each of which bears an acetyloxy substituent.
CCDC reference: 2027572