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Catena-Poly[[bis-(3-methyl-4-nitro-pyridine N-oxide-?O)cadmium(II)]-di-?-dicyanamido-?N:N].

ABSTRACT: In the title compound, [Cd(C(2)N(3))(2)(C(6)H(6)N(2)O(3))(2)](n), the Cd(II) ion (site symmetry ) adopts a distorted trans-CdO(2)N(4) octa-hedral environment, being coordinated by two O-bonded 3-methyl-4-nitro-pyridine N-oxide ligands and four dicyanamide (dca) anions. The bridging dca anions lead to a polymeric chain propagating in [100].

SUBMITTER: Wei RM

PROVIDER: S-EPMC2968329 | biostudies-literature | 2009 Jan

REPOSITORIES: biostudies-literature

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catena-Poly[[bis-(3-methyl-4-nitro-pyridine N-oxide-κO)cadmium(II)]-di-μ-dicyanamido-κN:N].

Wei Rong-Min RM

Acta crystallographica. Section E, Structure reports online 20090108 Pt 2

In the title compound, [Cd(C(2)N(3))(2)(C(6)H(6)N(2)O(3))(2)](n), the Cd(II) ion (site symmetry ) adopts a distorted trans-CdO(2)N(4) octa-hedral environment, being coordinated by two O-bonded 3-methyl-4-nitro-pyridine N-oxide ligands and four dicyanamide (dca) anions. The bridging dca anions lead to a polymeric chain propagating in [100]. ...[more]

PMID: 21581766

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catena-Poly[[bis-(4-methyl-pyridine-?N)cobalt(II)]-di-?-dicyanamido-?(2)N(1):N(5)].

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catena-Poly[(dichloridocadmium)-di-?-chlorido-[bis-(morpholinium-?O)cadmium]-di-?-chlorido].

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Project description:In the title coordination polymer, [CdI(2)(C(12)H(12)N(2))](n), the Cd(2+) ion lies on a twofold rotation axis: it is six-coordinated in a distorted cis-CdN(2)I(4) octa-hedral geometry by two N atoms from a chelating 5,5'-dimethyl-2,2'-bipyridine ligands and four bridging iodide anions. The bridging function of the iodide ions leads to a chain structure propagating in [001].

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catena-Poly[[bis[quinazolin-4(3H)-one-?N]cadmium(II)]-di-?-chlorido].

Project description:The asymmetric unit of the title compound, [CdCl(2)(C(8)H(6)N(2)O)(2)](n), consists of one mol-ecule of the 3H-quinazolin-4-one ligand, one Cd(2+) cation, which is located on a twofold axis, and one chlorido ligand in a general position. The latter bridges metal cations, forming a one-dimensional polymer along the b axis. The Cd?Cd distance along the chain is 3.7309?(7)?Å. The octa-hedral coordination around the metal is completed by two ligands in a trans axial geometry which coordinate through the N atom in 1 position. Moderately strong classical N-H?O hydrogen bonds around crystallographic inversion centers cross-link adjacent polymeric chains.

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