issue contents
September 2020 issue
inorganic compounds
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The crystal structure of sodium ammonium sulfate dihydrate has been redetermined at 170 K on the basis of single-crystal X-ray data.
CCDC reference: 2032745
metal-organic compounds
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The crystal structure of Zr(C12H22N)4 is isotypic with its cerium(IV) analogue.
CCDC reference: 2024547
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The nickel(II) atom in the cation of the title salt has a slightly distorted octahedral coordination environment defined by two O and four N atoms.
CCDC reference: 2025810
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[Os2(CO)4(tri-p-tolylphosphine)2]2(μ4-adamantane-1,3-dicarboxylate)2 is a molecular loop consisting of two parallel diosmium(I) sawhorse units linked together by two bridging dicarboxylato ligands. The title compound is only the second example of a Group 8 dinuclear sawhorse complex with an adamantane-based dicarboxylato ligand.
CCDC reference: 2026644
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In the title compound, the coordinated water molecules are in a cis disposition and the Cp rings of the ferrocene groups are close to eclipsed.
CCDC reference: 2031062
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Both ions in the title compound lie across centres of inversion, with the anion being statistically disordered.
CCDC reference: 2032866
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The title compound structure is a unique example of a zinc(II) metal center surrounded by a tridentate chloroterpyridine ligand, a chloride and a coordinated trifluoromethanesulfonate in a distorted square-pyramidal geometry.
CCDC reference: 2033215
organic compounds
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In the title flavanone, the molecules are linked by weak C—H⋯O interactions into [101] chains.
CCDC reference: 2026731
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In the title compound, the mean planes of the pendant benzene rings are approximately perpendicular to one another, making a dihedral angle of 79.3 (5)°; the indeno[1,2-b]quinoxaline ring system is twisted with respect to the pendant benzene rings by 70.0 (4) and 67.6 (3)°.
CCDC reference: 2026803
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The synthesis and structure of 1H-indole-2-carboxylate is presented.
CCDC reference: 2026531
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A polymorphic modification of the title steroidal compound, derived from diosgenin, results from a conformational alteration for the A/B ring system.
CCDC reference: 2026501
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In the title compound, the dihedral angle between the pyridine and difluorobenzene rings is 45.12 (12)°.
CCDC reference: 2012681
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In the title 2:1 co-crystal, the complete succinic acid molecule is generated by a crystallographic centre of symmetry.
CCDC reference: 2003667
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Hydrogen-bonded sheets occur in the centrosymmetric crystal structure of the title compound.
CCDC reference: 2020071
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The title compound features a B—O—B bond angle of 132.75 (13)°.
CCDC reference: 2031384
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In the crystalline state of the title solvate, C18H13NO3·C4H8O, hydrogen-bonding interactions between hydroxyl groups on a phenoxazine backbone and the tetrahydrofuran solvent are observed that suggest the ability for this compound to act as a chelating ligand.
CCDC reference: 2032769
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The molecules of the title compound, C26H48N4Si3, are linked via an SiC–H⋯π(aryl) interaction in the crystal.
CCDC reference: 2033547
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In the title compound, C11H17BrO2, a cyclooctene ring in a twist-boat conformation and a dioxolane ring with a distorted envelope conformation are annulated in a trans configuration. Alternating strands of single enantiomers build up the crystal. Within the strands, the molecules are connected by weak C—H⋯O hydrogen bonds.
CCDC reference: 2033919