catena-Poly[[[(diethylenetriamine-κ3 N,N′,N′′)copper(II)]-μ-cyanido-κ2 C:N] perchlorate]
نویسندگان
چکیده
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 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.
منابع مشابه
catena-Poly[[[μ-cyanido-1:2κ2 C:N-tricyanido-1κ3 C-bis(ethylenediamine)-2κ4 N,N′-copper(II)iron(II)]-μ-cyanido-κ2 C:N-[bis(ethylenediamine-κ2 N,N′)copper(II)]-μ-cyanido-κ2 N:C] 4.5-hydrate]
The asymmetric unit of the title compound, {[Cu(2)Fe(CN)(6)(C(2)H(8)N(2))(4)]·4.5H(2)O}(n), consists of two [Cu(C(2)H(8)N(2))(2)](2+) cations, one [Fe(CN)(6)](4-) anion, four water mol-ecules and a half water mol-ecule that lies on a twofold rotation axis. The Fe(II) atom is coordinated by six C atoms from three terminal and three doubly bridging CN(-) ligands. The bridging CN(-) ligands connec...
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