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Catena-Poly[[tetra-?-benzoato-?(8)O:O'-dicopper(II)]-?-[N-(pyridin-4-yl)nicotin-amide]-?(2)N:N'-[dibenzoato-?(2)O-copper(II)]-?-[N-(pyridin-4-yl)nicotin-amide]-?(2)N:N'].

ABSTRACT: In the polymeric title compound, [Cu(3)(C(7)H(5)O(2))(6)(C(11)H(9)N(3)O)(2)](n), square-planar-coordinated Cu(II) ions on crystallographic inversion centres are bound by two monodentate benzoate anions. The resulting [Cu(benzoate)](2) fragments are joined to centrosymmetic [Cu(2)(benzoate)(4)] paddlewheel clusters [Cu?Cu = 2.6331?(5)?Å] by means of bridging N-(pyridin-4-yl)nicotinamide (4-pna) ligands [dihedral angle between the aromatic rings = 39.18?(12)°], thereby forming [Cu(3)(benzoate)(6)(4-pna)(2)](n) coordination-polymer chains that are arranged parallel to the [30-1] crystal direction. These polymeric chains are anchored into supra-molecular layers by N-H?O hydrogen bonding between neighboring 4-pna ligands. These layers aggregate by crystal packing forces to afford the crystal structure of the title compound.

SUBMITTER: Kraft PE 

PROVIDER: S-EPMC3414118 | biostudies-literature | 2012 Aug

REPOSITORIES: biostudies-literature

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catena-Poly[[tetra-μ-benzoato-κ(8)O:O'-dicopper(II)]-μ-[N-(pyridin-4-yl)nicotin-amide]-κ(2)N:N'-[dibenzoato-κ(2)O-copper(II)]-μ-[N-(pyridin-4-yl)nicotin-amide]-κ(2)N:N'].

Kraft Peter E PE   Laduca Robert L RL  

Acta crystallographica. Section E, Structure reports online 20120710 Pt 8

In the polymeric title compound, [Cu(3)(C(7)H(5)O(2))(6)(C(11)H(9)N(3)O)(2)](n), square-planar-coordinated Cu(II) ions on crystallographic inversion centres are bound by two monodentate benzoate anions. The resulting [Cu(benzoate)](2) fragments are joined to centrosymmetic [Cu(2)(benzoate)(4)] paddlewheel clusters [Cu⋯Cu = 2.6331 (5) Å] by means of bridging N-(pyridin-4-yl)nicotinamide (4-pna) ligands [dihedral angle between the aromatic rings = 39.18 (12)°], thereby forming [Cu(3)(benzoate)(6)(  ...[more]

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