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  • 1
    Electronic Resource
    Electronic Resource
    Preparation and crystal structure of a copper(II) homobinuclear chelate (1978)
    Springer
    Transition metal chemistry 3 (1978), S. 138-141 
    Details
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The structure of the homobinuclear complex Cu2(aapen)H2O, where aapen is the tetraanionic ligand derived from the condensation of 1,2-diaminocthane witho-acetoacetylphenol, has been determined from diffractometer data and refined to R = 6.1%. The crystals are monoclinic,P21/c, witha = 12.991(5),b = 8.530(4),c = 18.546(6) Å, andβ = 104.10(4)°; Z = 4. The ligand employed has two different coordination sets of atoms, N2O2 and O2O2, two oxygen atoms being common to both donor sets. In the complex, one copper atom is retained in the plane of the inner N2O2 chamber whilst the other, which is incorporated in the outer O2O2 chamber, is five-coordinate, being axially bonded to a water molecule.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01393529
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesis and crystal structure of bis(dimethylthioacetonedicarboxylate)nickel(II) (1981)
    Springer
    Transition metal chemistry 6 (1981), S. 166-168 
    Details
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The title compound has been synthesized and characterized. The crystal structure has been determined by single-crystal x-ray analysis from diffractometer data, and refined to R= 0.063 for 1889 observed reflections. Crystals are monoclinic, space group P21/n, witha=21.97(2),b=8.21(1),c=10.44(1) A, and β=101.87(3), and Z=4. Both ligands are coordinated to nickel through sulphur and one oxygen atom to realize thecis form of the complex in the square planar coordination geometry. Bond distances are: Ni-S, 2.14(1), Ni-O, 1.87(1) and 1.90(1) Å. Each nickel atom also forms two close contacts with oxygen atoms from adjacent molecules.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00624337
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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