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Crystal structure of poly[bis-(?-2-amino-4,5-di-cyano-imidazolato-?(2) N (1):N (3))-trans-bis-(N,N'-di-methyl-formamide-?O)cadmium].

ABSTRACT: In the title structure, [Cd(C5H2N5)2(C3H7NO)2] n or [Cd(adci)2(DMF)2] n , the Cd(2+) ion is located on a twofold rotation axis and is six-coordinated in a CdN4O2 manner by four imidazole N atoms of four symmetry-related 2-amino-4,5-di-cyano-imidazolate (adci) anions in the equatorial plane and by two O atoms of symmetry-related N,N-di-methyl-formamide (DMF) ligands in axial positions. The adci(-) anions bridge adjacent Cd(2+) ions [shortest Cd?Cd separation = 6.733?(3)?Å] into a layered coordination polymer extending parallel to (001). The primary amino group and the non-coordinating cyano groups of adci(-) anions are involved in hydrogen-bonding inter-actions with DMF ligands to stabilize the crystal structure.

SUBMITTER: Zhu JL

PROVIDER: S-EPMC4555411 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature

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Crystal structure of poly[bis-(μ-2-amino-4,5-di-cyano-imidazolato-κ(2) N (1):N (3))-trans-bis-(N,N'-di-methyl-formamide-κO)cadmium].

Zhu Jin-Li JL Jiang Guo-Qing GQ Guo Xiao-Qing XQ Tang Yan-Feng YF Wang Miao M

Acta crystallographica. Section E, Crystallographic communications 20150812 Pt 9

In the title structure, [Cd(C5H2N5)2(C3H7NO)2] n or [Cd(adci)2(DMF)2] n , the Cd(2+) ion is located on a twofold rotation axis and is six-coordinated in a CdN4O2 manner by four imidazole N atoms of four symmetry-related 2-amino-4,5-di-cyano-imidazolate (adci) anions in the equatorial plane and by two O atoms of symmetry-related N,N-di-methyl-formamide (DMF) ligands in axial positions. The adci(-) anions bridge adjacent Cd(2+) ions [shortest Cd⋯Cd separation = 6.733 (3) Å] into a layered coordina ...[more]

PMID: 26396839

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