A chain-like polymeric copper(II) complex bridged simultaneously by carboxylato, hydroxo and aqua ligands
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AbstractA novel chain-like polymeric copper(LI) complex bridged simultaneously by mu(2)-carhoxylato-O,O',mu(3)-hydroxo and mu(2)-aqua ligands, [Cu-3(HO)(2)(H2O)(2)(Me3NCH2CO2)(4)] (ClO4)(4) . 2H(2)O, has been prepared and characterised by X-ray crystallography. The chain is composed of triangular subunits containing two octahedrally coordinated copper(II) atoms and one tetrahedrally coordinated copper(II) atom. The six-coordinated copper(II) atoms are ligated by a pair of the carboxylato oxygen atoms (Cu-O = 1.980(4)-1.991(4) Angstrom) and a pair of the mu(3)-hydroxo groups at the equatorial positions (Cu-O = 1.984(4)-1.998(4) Angstrom), and a pair of trans-related aqua ligands at the axial positions (Cu-O = 2.332(5)-2.349(5) Angstrom); another copper(II) atom is four-coordinated, being bridged to the two six-coordinated copper(II) atoms through a pair of the mu(3)-hydroxo ligands (Cu-O = 1.968(4) Angstrom), and the coordination sphere is completed by two monodentate carboxylate groups (Cu-O = 1.933(5) Angstrom). (C) 1997 Elsevier Science S.A.
All Author(s) ListChen XM, Feng XL, Yu XL, Mak TCW
Journal nameInorganica Chimica Acta
Volume Number266
Issue Number1
Pages121 - 124
LanguagesEnglish-United Kingdom
Keywordsaqua complexes; carboxylate complexes; copper complexes; crystal structures; hydroxide complexes
Web of Science Subject CategoriesChemistry; Chemistry, Inorganic & Nuclear; CHEMISTRY, INORGANIC & NUCLEAR

Last updated on 2020-03-08 at 06:25