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  • Title: Tetra-kis(4-amino-pyridine-κN)dichlorido-copper(II) monohydrate.
    Author: Fun HK, Sinthya A, Jebas SR, Devadasan S.
    Journal: Acta Crystallogr Sect E Struct Rep Online; 2008 Jun 07; 64(Pt 7):m853-4. PubMed ID: 21202731.
    Abstract:
    The asymmetric unit of the title compound, [CuCl(2)(C(5)H(6)N(2))(4)]·H(2)O, contains two crystallographically independent complex mol-ecules and two water mol-ecules. The Cu(II) ion in each mol-ecule is six-coordinated in an elongated octa-hedral geometry, with the equatorial plane defined by four pyridine N atoms of four amino-pyridine ligands and the axial positions occupied by two Cl atoms. In the crystal structure, mol-ecules are linked into a three-dimensional framework by C-H⋯Cl, O-H⋯Cl, N-H⋯O, N-H⋯Cl and N-H⋯N hydrogen bonds and C/N-H⋯π inter-actions involving the pyridine rings.
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