title: Three isomorphous Ln complexes: {[Ln2(bt)6(bno)(H2O)4].bno}n) (bt is but-2-enoate and bno is 4,4'-bipyridyl N,N'-dioxide), with Ln = Nd, Er and Y.
abstract: The polymeric title compounds, namely catena-poly[[[di-mu-but-2-enoato-kappa(3)O:O,O';kappa(3)O,O':O'-bis[diaquadibut-2-enoato-kappaO;kappa(2)O,O'-neodymium(III)]]-mu-4,4'-bipyridyl N,N'-dioxide-kappa(2)O:O'] 4,4'-bipyridyl N,N'-dioxide solvate] and the erbium(III) and yttrium(III) analogues, {[Ln(2)(C(4)H(5)O(2))(6)(C(10)H(8)N(2)O(2))(H(2)O)(4)].C(10)H(8)N(2)O(2)}(n) (Ln = Nd, Er and Y), form from [Ln(2)(bt)(6)(H(2)O)(4)] dimers (bt is but-2-enoate) bridged by 4,4'-bipyridyl dioxide (bno) spacers into sets of parallel chains; these linear arrays are interconnected by aqua-mediated hydrogen bonds into broad two-dimensional structures, which in turn interact with each other though the hydrogen-bonded bridged bno solvent units. Both independent bno units in the structures are bisected by symmetry centres.
authors.affiliation: Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile.
authors.forename: Ana María
authors.initials: AM
authors.lastname: Atria
authors.forename: María Angeles
authors.initials: MA
authors.lastname: Mora
authors.forename: María Teresa
authors.initials: MT
authors.lastname: Garland
authors.forename: Ricardo
authors.initials: R
authors.lastname: Baggio
mesh_terms: D003460:Crystallization; D004871:Erbium / Q000737:chemistry*; D009354:Neodymium / Q000737:chemistry*; D009942:Organometallic Compounds / Q000138:chemical synthesis / Q000737:chemistry*; D014961:X-Ray Diffraction; D015019:Yttrium / Q000737:chemistry*
chemical_list: D009942:Organometallic Compounds; C526022:tetraaquahexakis(but-2-enoate)(4,4'-bipyridyl N,N'-dioxide)dierbium(III); C526021:tetraaquahexakis(but-2-enoate)(4,4'-bipyridyl N,N'-dioxide)dineodymium(III); C526023:tetraaquahexakis(but-2-enoate)(4,4'-bipyridyl N,N'-dioxide)diyttrium(III); D009354:Neodymium; D015019:Yttrium; D004871:Erbium