[KDy(Hptc)3(H3ptc)]n·2n(Hbipy)·5n(H2O), a Layered Coordination Polymer Containing DyO6N3 Tri-Capped Trigonal Prisms (H3ptc = Pyridine 2,4,6-Tricarboxylic Acid, C8H5NO6; Bipy = 2,2'-Bipyridine, C10H8N2)

doi:10.3390/cryst2031084

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Crystals 2012, 2(3), 1084-1091; doi:10.3390/cryst2031084

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[KDy(Hptc)₃(H₃ptc)]_n·2n(Hbipy)·5n(H₂O), a Layered Coordination Polymer Containing DyO₆N₃ Tri-Capped Trigonal Prisms (H₃ptc = Pyridine 2,4,6-Tricarboxylic Acid, C₈H₅NO₆; Bipy = 2,2'-Bipyridine, C₁₀H₈N₂)

Shoaib Anwar¹, Irfana Mariam², Islam Ullah Khan^1,* , Ejaz¹, William T. A. Harrison^3,* and Sohail Anwar¹

¹ Materials Chemistry Laboratory, Department of Chemistry, Government College University, Lahore-54000, Pakistan ² Department of Chemistry, Queen Mary College for Girls, Lahore, Pakistan ³ Department of Chemistry, University of Aberdeen, Meston Walk, Aberdeen AB24 3UE, UK

* Authors to whom correspondence should be addressed.

Received: 10 May 2012; in revised form: 7 June 2012 / Accepted: 25 June 2012 / Published: 3 August 2012

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Abstract: The synthesis, structure and properties of the bimetallic layered coordination polymer, [KDy(C₈H₃NO₆)₃(C₈H₅NO₆)]_n·2n(C₁₀H₉N₂)·5n(H₂O) = [KDy(Hptc)₃(H₃ptc)]_n·2n(Hbipy)·5n(H₂O), are described. The Dy³⁺ ion is coordinated by three O,N,O-tridentate doubly-deprotonated pyridine tri-carboxylate (Hptc) ligands to generate a fairly regular DyO₆N₃ tri-capped trigonal prism, with the N atoms acting as the caps. The potassium ion is coordinated by an O,N,O-tridentate H₃ptc molecule as well as monodentate and bidentate Hptc ligands to result in an irregular KNO₉ coordination geometry. The ligands bridge the metal-atom nodes into a bimetallic, layered, coordination polymer, which extends as corrugated layers in the (010) plane, with the mono-protonated bipyridine cations and water molecules occupying the inter-layer regions: Unlike related structures, there are no dysprosium–water bonds. Many O–HLO and N–HLO hydrogen bonds consolidate the structure. Characterization and bioactivity data are described. Crystal data: C₅₂H₄₂DyKN₈O₂₉, M_r = 1444.54, triclinic, (No. 2), Z = 2, a = 9.188(2) Å, b = 15.7332(17) Å, c = 19.1664(19) Å, α = 92.797(6)°, β = 92.319(7)°, γ = 91.273(9)°, V = 2764.3(7) Å³, R(F) = 0.029, wR(F²) = 0.084.

Keywords: coordination polymer; layered supramolecular network; dysprosium

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MDPI and ACS Style

Anwar, S.; Mariam, I.; Khan, I.U.; Ejaz; Harrison, W.T.A.; Anwar, S. [KDy(Hptc)₃(H₃ptc)]_n·2n(Hbipy)·5n(H₂O), a Layered Coordination Polymer Containing DyO₆N₃ Tri-Capped Trigonal Prisms (H₃ptc = Pyridine 2,4,6-Tricarboxylic Acid, C₈H₅NO₆; Bipy = 2,2'-Bipyridine, C₁₀H₈N₂). Crystals 2012, 2, 1084-1091.

AMA Style

Anwar S, Mariam I, Khan IU, Ejaz, Harrison WTA, Anwar S. [KDy(Hptc)₃(H₃ptc)]_n·2n(Hbipy)·5n(H₂O), a Layered Coordination Polymer Containing DyO₆N₃ Tri-Capped Trigonal Prisms (H₃ptc = Pyridine 2,4,6-Tricarboxylic Acid, C₈H₅NO₆; Bipy = 2,2'-Bipyridine, C₁₀H₈N₂). Crystals. 2012; 2(3):1084-1091.

Chicago/Turabian Style

Anwar, Shoaib; Mariam, Irfana; Khan, Islam Ullah; Ejaz; Harrison, William T. A.; Anwar, Sohail. 2012. "[KDy(Hptc)₃(H₃ptc)]_n·2n(Hbipy)·5n(H₂O), a Layered Coordination Polymer Containing DyO₆N₃ Tri-Capped Trigonal Prisms (H₃ptc = Pyridine 2,4,6-Tricarboxylic Acid, C₈H₅NO₆; Bipy = 2,2'-Bipyridine, C₁₀H₈N₂)." Crystals 2, no. 3: 1084-1091.

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