Structures and luminescent properties of Sm(III) and Dy(III) coordination polymers with 2,4,6-pyridinetricarboxylic acid

Wang, Hongsheng; Li, Gong-Chun; Chen, Yao; Zhang, Zhenjie; Zhao, Shuo

doi:10.1080/00958972.2010.531130

Cited by 19 publications

(6 citation statements)

References 36 publications

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“…In (I) ( Fig.1), all bond lengths and angles are normal and correspond to those observed in isostructural polymeric compounds with Gd (Wang & Zhang, 2009), Sm (Wang et al, 2010) and Dy (Wang et al, 2010;Das et al, 2009). Each Tb center is coordinated by three aqua ligands and three ptc ligands (H 3 ptc = pyridine-2,4,6-tricarboxylate) to form 4,4′bicapped trigonal prismatic TbNO 8 chromophore with a 4,4′-bicapped trigonal prismatic environment.…”

Section: S1 Commentsupporting

confidence: 70%

Poly[[triaqua(μ₃-pyridine-2,4,6-tricarboxylato)terbium(III)] monohydrate]

Zhu

2012

Acta Cryst E

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Key indicators: single-crystal X-ray study; T = 293 K; mean (C-C) = 0.005 Å; R factor = 0.028; wR factor = 0.067; data-to-parameter ratio = 14.6.The asymmetric unit of the title compound, {[Tb(C 8 H 2 NO 6 )-(H 2 O) 3 ]ÁH 2 O} n , contains one Tb III ion, one pyridine-2,4,6-tricarboxylate (ptc) anion, three aqua ligands and one lattice water molecule. The Tb III ion is nine coordinated by one N and five O atoms from three ptc ligands and by three O atoms from the three aqua ligands in a distorted bicapped trigonalprismatic geometry. The ptc ligands bridge the Tb III ions into a two-dimensional polymeric framework parallel to (100). An extensive O-HÁ Á ÁO hydrogen-bonding network consolidates the crystal packing. Related literature

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Section: S1 Commentsupporting

confidence: 70%

Poly[[triaqua(μ₃-pyridine-2,4,6-tricarboxylato)terbium(III)] monohydrate]

Zhu

2012

Acta Cryst E

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“…Recent studies concerning the use of pyridine-2,4,6-tricarboxylic acid (H 3 ptc) as aligandtoward rareearth metal salts have shown that agreat variety of structures can be obtainedasaresultofthe differentconformation andcoordination modes of the ptc 3-ligand [4][5][6][7][8][9][10][11]. As an ongoing part of our investigations, we report the preparation and X-ray crystal structure of the title compound.…”

Section: Discussionmentioning

confidence: 99%

Crystal structure of nonaaqua[bis(μ2-pyridine-2,4,6-tricarboxylato- κ3O,N,O:(O')dilutetium(III)]trihydrate, Lu2(H2O)9(ptc)2·3H2O, C16H28Lu2N2O24

Zhu

2013

Zeitschrift Für Kristallographie - New Crystal Structures

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Source of materialThepHofamixture of Lu(NO 3 ) 3 ·xH 2 O(0.05 mmol)(prepared from Lu 2 O 3 (0.0187 g, 0.05 mmol) dissolved in 5.0 mL (3M) HNO 3 solution )and pyridine-2,4,6-tricarboxylicacid (0.0215 g, 0.1 mmol) in 30 mL H 2 Ow as adjusted to 6.32 by addition of NaOH under vigorous stirring. The resulting mixture was continuously stirred for ca.1hand asmall indiscerptible substance was then filtered off. The colourless filtrate was allowed to stand at room temperature and slow evaporation for two months afforded colourless block-like crystal suitable for X-ray diffraction. Experimental detailsAll Hatomsbound to Cwere position geometrically and refined as riding, with C-H =0.93 Åand U iso (H) =1.2U eq (C). DiscussionThe design and construction of lanthanide complexes with multicarboxylate ligands have received extensive attention due to their unique topological structures and fascinating chemical or physical properties [1][2][3]. Recent studies concerning the use of pyridine-2,4,6-tricarboxylic acid (H 3 ptc) as aligandtoward rareearth metal salts have shown that agreat variety of structures can be obtainedasaresultofthe differentconformation andcoordination modes of the ptc 3-ligand [4][5][6][7][8][9][10][11]. As an ongoing part of our investigations, we report the preparation and X-ray crystal structure of the title compound. The asymmetric unit of title compound consists of two Lu 3+ ions (namely Lu1 and Lu2),two ptc 3-ions (namely ptc1 and ptc2, which contain N1 and N2 atoms, respectively), nine aqua ligand and three lattice water molecules. The Lu1atoms arecoordinated by four aqua ligands, oneptc1 3-and oneptc2 3-ligand to generate adistorted 4,4'-bicapped triagonal antiprism.The Lu2 atomsare in adistorted mono-cappedsquare antiprismatic [LuNO 8 ]c oordination defined by five water ligands, three carboxylate atomsa nd one nitrogen atom from two different ptc 3-ligands. The ptc1 3-ion has a m 2 h 4 coordination mode and is bonded to one Lu1 atom through the pyridyl N1 atom and the oxygen atomsO 1, O2, bridges to one Lu2 atom. The ptc2 3-ion also acts as a m 2 h 4 bridging ligand to chelateone Lu2 throught he pyridyl N2 atom and the carboxylate group in 2-position, and it coordinates one Lu1 atom through the 4-position carboxylate group. The Lu1 atom and Lu2 atomsare linked by the 2-position carboxylato-group of ptc1 to form adinuclear molecule. The resulting dinuclear units are pairwise bridged by the ptc ligand to generate centrosymmetric tetranuclear molecule Lu 4 (H 2 O) 18 (ptc) 4 .T he resulting tetranuclear unit area ssembled into 3D supramolecular chainvia hydrogen bondinginteraction betweenaqualigands with carboxylateoxygenatoms and lattice molecules.

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“…6 H 13/2 of Dy(III), respectively [18,19]. The relatively strong emission intensity of 3 is probably because the ligand absorbed the excitation energy and transferred the energy to the Dy(III), showing the characteristic emissions of Dy(III) [20][21][22].…”

Section: Luminescence Ofmentioning

confidence: 99%

Syntheses, structures, and luminescent properties of lanthanide complexes with N,N′-bis(p-methoxyphenyl)-3-oxapentanediamide

Wen

Wang

et al. 2011

Journal of Coordination Chemistry

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An amide-type acyclic polyether, N,N 0 -bis(p-methoxyphenyl)-3-oxapentanediamide (L), and its three lanthanide coordination compounds, [Ln(NO 3 (2), and Dy (3)], have been synthesized and characterized by elemental analysis, IR spectroscopy, thermal analysis, and X-ray diffraction. Single crystal X-ray structure analyses reveal that 1 and 2 have the same structure and crystallize in the monoclinic crystal system with C2/c space group. The coordination geometry around the central atom is a distorted bicapped square antiprism. Extensive intermolecular hydrogen bonds in 1 and 2 result in 3-D supramolecular networks. Complex 3 exhibits luminescence in the visible region upon excitation with UV-rays.

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Structures and luminescent properties of Sm(III) and Dy(III) coordination polymers with 2,4,6-pyridinetricarboxylic acid

Cited by 19 publications

References 36 publications

Poly[[triaqua(μ₃-pyridine-2,4,6-tricarboxylato)terbium(III)] monohydrate]

Poly[[triaqua(μ₃-pyridine-2,4,6-tricarboxylato)terbium(III)] monohydrate]

Crystal structure of nonaaqua[bis(μ2-pyridine-2,4,6-tricarboxylato- κ3O,N,O:(O')dilutetium(III)]trihydrate, Lu2(H2O)9(ptc)2·3H2O, C16H28Lu2N2O24

Syntheses, structures, and luminescent properties of lanthanide complexes with N,N′-bis(p-methoxyphenyl)-3-oxapentanediamide

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Structures and luminescent properties of Sm(III) and Dy(III) coordination polymers with 2,4,6-pyridinetricarboxylic acid

Cited by 19 publications

References 36 publications

Poly[[triaqua(μ3-pyridine-2,4,6-tricarboxylato)terbium(III)] monohydrate]

Poly[[triaqua(μ3-pyridine-2,4,6-tricarboxylato)terbium(III)] monohydrate]

Crystal structure of nonaaqua[bis(μ2-pyridine-2,4,6-tricarboxylato- κ3O,N,O:(O')dilutetium(III)]trihydrate, Lu2(H2O)9(ptc)2·3H2O, C16H28Lu2N2O24

Syntheses, structures, and luminescent properties of lanthanide complexes with N,N′-bis(p-methoxyphenyl)-3-oxapentanediamide

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Poly[[triaqua(μ₃-pyridine-2,4,6-tricarboxylato)terbium(III)] monohydrate]

Poly[[triaqua(μ₃-pyridine-2,4,6-tricarboxylato)terbium(III)] monohydrate]