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Catena-Poly[cadmium-?-[1,3-bis-(imidazol-1-yl)propane]-di-?-chlorido].

ABSTRACT: The title complex, [CdCl(2)(C(9)H(12)N(4))](n), is characterized by the formation of a zigzag chain structure parallel to [001]. In the chain, the Cd(2+) cation is coordinated by four bridging Cl(-) ligands in equatorial positions and two N atoms from symmetry-related and likewise bridging 1,3-bis-(imidazol-1-yl)propane ligands in axial positions, forming a distorted CdCl(4)N(2) octa-hedron.

SUBMITTER: Shen QL

PROVIDER: S-EPMC3379108 | biostudies-literature | 2012 Jun

REPOSITORIES: biostudies-literature

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catena-Poly[cadmium-μ-[1,3-bis-(imidazol-1-yl)propane]-di-μ-chlorido].

Shen Qiao-Lian QL Lin Hong H

Acta crystallographica. Section E, Structure reports online 20120516 Pt 6

The title complex, [CdCl(2)(C(9)H(12)N(4))](n), is characterized by the formation of a zigzag chain structure parallel to [001]. In the chain, the Cd(2+) cation is coordinated by four bridging Cl(-) ligands in equatorial positions and two N atoms from symmetry-related and likewise bridging 1,3-bis-(imidazol-1-yl)propane ligands in axial positions, forming a distorted CdCl(4)N(2) octa-hedron. ...[more]

PMID: 22719329

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catena-Poly[[chloridocadmium(II)]bis-{μ-1-[(2-ethyl-1H-imidazol-1-yl)meth-yl]-1H-benzotriazole}[chloridocadmium(II)]di-μ-chlorido].

Project description:In the polymeric title complex, [CdCl(2)(C(12)H(13)N(5))](n), the Cd(II) atom is five-coordinated by two N atoms from two bridging 1-[(2-ethyl-1H-imidazol-1-yl)meth-yl]-1H-benzotriazole (bmei) ligands, two bridging Cl atoms and one terminal Cl atom in a distorted trigonal-bipyramidal geometry. The Cd(II) atoms are connected alternately by the Cl atoms and bmei ligands, leading to a zigzag chain extending parallel to [011]. π-π inter-actions, with a centroid-centroid distance of 3.3016 (3) Å, help to stabilize the crystal packing.

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Crystal structure of catena-poly[1,3-di-benzyl-benzimidazolium [[chlorido-mercurate(II)]-di-?-chlorido]].

Project description:The asymmetric unit of the polymeric title compound, {(C21H19N2)[HgCl3]} n , comprises one-half of the cationic mol-ecule, the other half being generated by application of twofold rotation symmetry, one Hg and two Cl atoms. The Hg(II) atom, lying on a twofold rotation axis, exhibits a distorted triangular coordination environment and is surrounded by three Cl atoms with Hg-Cl distances in the range 2.359?(2)-2.4754?(13)?Å. Two additional longer distances [Hg?Cl = 3.104?(14)?Å] lead to the formation of polymeric [HgCl1/1Cl4/2](-) chains extending along [001]. The crystal packing can be described by cationic layers alternating parallel to (-110) with the anionic chains located between the layers. The packing is consolidated by ?-? stacking inter-actions between the benzene rings of the central benzimidazole entities, with centroid-to-centroid distances of 3.643?(3)?Å.

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