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Crystal structures of {?2-N,N'-bis-[(pyridin-3-yl)meth-yl]ethanedi-amide}tetra-kis-(di-methyl-carbamodi-thio-ato)dizinc(II) di-methyl-formamide disolvate and {?2-N,N'-bis-[(pyridin-3-yl)meth-yl]ethanedi-amide}tetra-kis-(di-n-propyl-carbamodi-thio-ato)dizinc(II).

ABSTRACT: The title structures, [Zn2(C3H6NS2)4(C14H14N4O2)]·2C3H7NO (I) and [Zn2(C7H14NS2)4(C14H14N4O2)] (II), each feature a bidentate, bridging bipyridyl-type ligand encompassing a di-amide group. In (I), the binuclear compound is disposed about a centre of inversion, leading to an open conformation, while in (II), the complete mol-ecule is completed by the application of a twofold axis of symmetry so that the bridging ligand has a U-shape. In each of (I) and (II), the di-thio-carbamate ligands are chelating with varying degrees of symmetry, so the zinc atom is within an NS4 set approximating a square-pyramid for (I) and a trigonal-bipyramid for (II). The solvent di-methyl-formaide (DMF) mol-ecules in (I) connect to the bridging ligand via amide-N-H?O(DMF) and various amide-, DMF-C-H?O(amide, DMF) inter-actions. The resultant three-mol-ecule aggregates assemble into a three-dimensional architecture via C-H??(pyridyl, chelate ring) inter-actions. In (II), undulating tapes sustained by amide-N-H?O(amide) hydrogen bonding lead to linear supra-molecular chains with alternating mol-ecules lying to either side of the tape; no further directional inter-actions are noted in the crystal.

SUBMITTER: Arman HD 

PROVIDER: S-EPMC5730304 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature

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Crystal structures of {μ<sub>2</sub>-<i>N</i>,<i>N</i>'-bis-[(pyridin-3-yl)meth-yl]ethanedi-amide}tetra-kis-(di-methyl-carbamodi-thio-ato)dizinc(II) di-methyl-formamide disolvate and {μ<sub>2</sub>-<i>N</i>,<i>N</i>'-bis-[(pyridin-3-yl)meth-yl]ethanedi-amide}tetra-kis-(di-<i>n</i>-propyl-carbamodi-thio-ato)dizinc(II).

Arman Hadi D HD   Poplaukhin Pavel P   Tiekink Edward R T ERT  

Acta crystallographica. Section E, Crystallographic communications 20170919 Pt 10

The title structures, [Zn<sub>2</sub>(C<sub>3</sub>H<sub>6</sub>NS<sub>2</sub>)<sub>4</sub>(C<sub>14</sub>H<sub>14</sub>N<sub>4</sub>O<sub>2</sub>)]·2C<sub>3</sub>H<sub>7</sub>NO (I) and [Zn<sub>2</sub>(C<sub>7</sub>H<sub>14</sub>NS<sub>2</sub>)<sub>4</sub>(C<sub>14</sub>H<sub>14</sub>N<sub>4</sub>O<sub>2</sub>)] (II), each feature a bidentate, bridging bipyridyl-type ligand encompassing a di-amide group. In (I), the binuclear compound is disposed about a centre of inversion, leading to an open  ...[more]

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