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Two- and three-dimensional lanthanide-organic frameworks constructed using 1-hydro-6-oxopyridine-3-carboxylate and oxalate ligands
Liu, Cai-Ming1; Xiong, Ming2; Zhang, De-Qing1; Du, Miao3; Zhu, Dao-Ben1
2009
Source PublicationDALTON TRANSACTIONS
ISSN1477-9226
Issue29Pages:5666-5672
Abstract6-Hydroxypyridine-3-carboxylic acid (6-HOPy-3-CO2H) reacts with Ln(2)O(3) (Ln = Nd, Sm, Eu, Gd) and oxalic acid (H2OX) under hydrothermal conditions to generate four novel lanthanide-organic coordination polymeric networks [Ln(2)(1H-6-Opy-3-CO2)(2)(OX)(2)(H2O)(3)]center dot 2.5H(2)O (Ln = Nd, 1; Sm, 2; 1H-6-Opy-3-CO2- = 1-hydro-6-oxopyridine-3-carboxylate) and [ Ln(1H-6-Opy-3-CO2)(OX)-(H2O)(2)]center dot H2O (Ln = Eu, 3; Gd, 4). The new co-ligand 1H-6-Opy-3-CO2- anion was generated by the autoisomerization of the single deprotonated 6-HOPy-3-CO2- anion (from the enol form into the ketone one). 1 and 2 are isomorphous, they possess a three-dimensional architecture constructed from Ln(3+) ions bridged by oxalate anions and two types of 1H-6-Opy-3-CO2- bridges, showing a three-nodal (4,5)-connected topology (3.4(2).5(2).6(3).7.8)(2)(3.5(3).6(2))(2)(3(2).6.7(2).8) or a simplified uninodal 6-connected topology (3(3).4(6).5(5).6), both topologies are completely new; while only one type of 1H-6-Opy-3-CO2- bridge is used to construct the two-dimensional layer networks of 3 and 4 besides oxalate bridges, both complexes 3 and 4 are isostructural, exhibiting the honeycomb topology 6(3). The lanthanide contraction effect is believed to play a key role in directing the formation of a particular structure. A magnetic study of 1-3 indicated that the coupling interaction between Ln(3+) ions is weak.
DOI10.1039/b903613j
Indexed BySCI
Language英语
WOS IDWOS:000267981000010
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66306
Collection中国科学院化学研究所
Corresponding AuthorLiu, Cai-Ming
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.China Univ Geosci, Geosci Lab, Beijing 100083, Peoples R China
3.Tianjin Normal Univ, Coll Chem & Life Sci, Tianjin 300387, Peoples R China
Recommended Citation
GB/T 7714
Liu, Cai-Ming,Xiong, Ming,Zhang, De-Qing,et al. Two- and three-dimensional lanthanide-organic frameworks constructed using 1-hydro-6-oxopyridine-3-carboxylate and oxalate ligands[J]. DALTON TRANSACTIONS,2009(29):5666-5672.
APA Liu, Cai-Ming,Xiong, Ming,Zhang, De-Qing,Du, Miao,&Zhu, Dao-Ben.(2009).Two- and three-dimensional lanthanide-organic frameworks constructed using 1-hydro-6-oxopyridine-3-carboxylate and oxalate ligands.DALTON TRANSACTIONS(29),5666-5672.
MLA Liu, Cai-Ming,et al."Two- and three-dimensional lanthanide-organic frameworks constructed using 1-hydro-6-oxopyridine-3-carboxylate and oxalate ligands".DALTON TRANSACTIONS .29(2009):5666-5672.
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