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January 2021 issue
metal-organic compounds
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The synthesis and structure of a heptanuclear cage-like complex, which includes six MnIII ions and one MnII ion, are presented.
CCDC reference: 2051338
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The title compound is formed by discrete anions and cations. The crystal packing is controlled by weak intermolecular C—H⋯π interactions.
CCDC reference: 1966145
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The central NiII ion has an N2O2 square-planar coordination sphere defined by two N atoms and two O atoms of the tetradentate dianionic 4,4′-dibromo-2,2′-[cyclohexane-1,2-diylbis(nitrilomethanylylidene)]diphenolato ligand.
CCDC reference: 2058387
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The central MnII ion has a cis-N2Br4 octahedral coordination sphere defined by two N atoms of the bidentate 2,2′-bipyridine ligand and four bridging Br− anions.
CCDC reference: 2058386
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The central PdII ion of the complex cation has an N3O square-planar coordination sphere defined by the three N atoms of the tridentate 2,2′:6′,2′′-terpyridine ligand and one O atom from the NO3− anion.
CCDC reference: 2058389
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The NiII ions both show a distorted N3Cl3 octahedral coordination environment defined by three N atoms of the tridentate 2,4,6-tri-2-pyridyl-1,3,5-triazine ligand, two bridging Cl− ligands and a Cl− anion.
CCDC reference: 2058987
organic compounds
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The title compound is an intermediate for the synthesis of isoquinoline fluorine analogues. The structure presents a racemic mixture of enantiomers. In the crystal, N—H⋯O hydrogen bonds between neighbouring molecules form chains of molecules along the a-axis direction.
CCDC reference: 2052869
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In the title compound, the mean planes of the indene ring and quinoxaline system are approximately parallel to one another, making a dihedral angle of 1.2 (5)°. The indeno[1,2-b]quinoxaline ring is almost in the same plane.
CCDC reference: 2054191
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The title compound crystallizes in strands of enantiomeric molecules connected via O—H⋯N hydrogen bonds. There are only slight deviations from an ideal gauche conformation in the decamethylene chain, indicating just a little strain.
CCDC reference: 2057509
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In the title compound, two benzene rings bearing methoxy substituents are connected by central acetylpyrazoline ring: the dihedral angle between the benzene rings is 83.7 (1)°. In the crystal, pairwise C—H⋯O hydrogen bonds generate inversion dimers and additional weak C—H⋯O interactions link the dimers into chains propagating along the c-axis direction.
CCDC reference: 2058998
addenda and errata
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