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Catena-Poly[[[(diethyl-enetriamine-?³N,N',N'')-copper(II)]-?-cyanido-?²C:N] perchlorate].

ABSTRACT: The structure of the title salt, {[Cu(CN)(C?H??N?)]ClO?}(n), is composed of copper-containing cations and perchlor-ate anions. The Cu(II) atom shows a square-pyramidal coordination, with equatorial positions occupied by the cyanide C atom [Cu-C = 1.990?(3)?Å] and the N atoms of the diethyl-enetriamine ligand (average Cu-N = 2.033?Å), while the axial position is occupied by the N atom of a c-glide-related cyanide group. The axial Cu-N distance of 2.340?(3)?Å is longer than the equatorial distances, reflecting Jahn-Teller distortion. The Cu(II) cations are linked by the cyanide groups into infinite chains along the c-axis direction. The refinement included a three-component disordered model for the perchlorate ion. Each minor site is stabilized by hydrogen bonds to N-H donors from four surrounding cations, while one O atom of the major perchlorate site forms hydrogen bonds to three of these cations.

SUBMITTER: Corfield PW

PROVIDER: S-EPMC3393153 | biostudies-literature | 2012 Jul

REPOSITORIES: biostudies-literature

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catena-Poly[[[(diethyl-enetriamine-κ³N,N',N'')-copper(II)]-μ-cyanido-κ²C:N] perchlorate].

Corfield Peter W R PW Yang Sylvia C SC

Acta crystallographica. Section E, Structure reports online 20120613 Pt 7

The structure of the title salt, {[Cu(CN)(C₄H₁₃N₃)]ClO₄}(n), is composed of copper-containing cations and perchlor-ate anions. The Cu(II) atom shows a square-pyramidal coordination, with equatorial positions occupied by the cyanide C atom [Cu-C = 1.990 (3) Å] and the N atoms of the diethyl-enetriamine ligand (average Cu-N = 2.033 Å), while the axial position is occupied by the N atom of a c-glide-related cyanide group. The axial Cu-N distance of 2.340 (3) Å is longer than the equatorial distance ...[more]

PMID: 22807721

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