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ISSN: 2414-3146

September 2020 issue

Early view articles

Journal cover

metal-organic compounds


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The crystal structure of Zr(C12H22N)4 is isotypic with its cerium(IV) analogue.

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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.

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[Os2(CO)4(tri-p-tolyl­phosphine)2]24-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.

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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.

organic compounds


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In the title flavanone, the mol­ecules are linked by weak C—H⋯O inter­actions into [101] chains.

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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)°.

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The synthesis and structure of 1H-indole-2-carboxyl­ate is presented.

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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.

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In the title compound, the dihedral angle between the pyridine and di­fluoro­benzene rings is 45.12 (12)°.

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In the title 2:1 co-crystal, the complete succinic acid mol­ecule is generated by a crystallographic centre of symmetry.

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Hydrogen-bonded sheets occur in the centrosymmetric crystal structure of the title compound.

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