Crystals of the title compd., di-μ-croconato-bis{μ-[N,N'-bis(3-amino-2,2-dimethylpropyl)oxamidato(2-)-N,O':N',O]dicopper(II)} tetrahydrate, are triclinic, space group P-1, with a 9.496(1), b 10.6620(8), c 12.966(2) Å, α 71.481(8), β 75.780(10), γ 66.160(10)°; Z = 1, dc = 1.647, dm = 1.65(1); R = 0.032, Rw(F2) = 0.087 for 6246 reflections. The structure comprises two μ-oxamidato-dicopper(II) units bridged by croconate ligands to give a tetracopper(II) ring system with crystallog. -1 symmetry; all the Cu centers are five-coordinate.
A Tetracopper(II) Complex Containing Two μ-Oxamidato-dicopper(II) Units Linked by Croconate Anions / G. L., Abbati; Cornia, Andrea; FABRETTI COSTANTINO, Antonio. - In: ACTA CRYSTALLOGRAPHICA. SECTION C, CRYSTAL STRUCTURE COMMUNICATIONS. - ISSN 0108-2701. - STAMPA. - 55:(1999), pp. 2043-2045.
A Tetracopper(II) Complex Containing Two μ-Oxamidato-dicopper(II) Units Linked by Croconate Anions
CORNIA, Andrea;FABRETTI COSTANTINO, Antonio
1999-01-01
Abstract
Crystals of the title compd., di-μ-croconato-bis{μ-[N,N'-bis(3-amino-2,2-dimethylpropyl)oxamidato(2-)-N,O':N',O]dicopper(II)} tetrahydrate, are triclinic, space group P-1, with a 9.496(1), b 10.6620(8), c 12.966(2) Å, α 71.481(8), β 75.780(10), γ 66.160(10)°; Z = 1, dc = 1.647, dm = 1.65(1); R = 0.032, Rw(F2) = 0.087 for 6246 reflections. The structure comprises two μ-oxamidato-dicopper(II) units bridged by croconate ligands to give a tetracopper(II) ring system with crystallog. -1 symmetry; all the Cu centers are five-coordinate.
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