Rare earth metal squarates incorporating ethylene glycol ligand with a three-dimensional framework structure: RE(C4O4)(1.5)(C2H6O2) (RE = Y, La-Nd, Sm-Lu)

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题名:	Rare earth metal squarates incorporating ethylene glycol ligand with a three-dimensional framework structure: RE(C4O4)(1.5)(C2H6O2) (RE = Y, La-Nd, Sm-Lu)
作者:	Liu,YS;Tang,MF;Lii,KH
贡献者:	中央大學
关键词:	CRYSTAL-STRUCTURE;HYDROTHERMAL SYNTHESIS;THERMAL-BEHAVIOR;BINUCLEAR VANADIUM(III);COORDINATION POLYMERS;NMR-SPECTROSCOPY;SQUARIC ACID;COMPLEXES;MAGNETISM;OXALATOPHOSPHATES
日期:	2009
上传时间:	2010-06-29 19:46:17 (UTC+8)
出版者:	化學研究所
摘要:	Fifteen isostructural rare earth metal squarates incorporating ethylene glycol ligand with the formula RE(C4O4)(1.5)(C2H6O2) (RE = Y, La-Nd, Sm-Lu) have been synthesized under hydrothermal conditions and structurally characterized by single-crystal and powder X-ray diffraction, C-13 CPMAS NMR, absorption spectroscopy, and magnetic susceptibility. A variable-temperature in situ powder X-ray diffraction study on the Ce compound was also performed to determine its thermal stability. Each RE3+ cation in the structure is bonded to six squarate anions and one neutral ethylene glycol chelate, and each C4O42- anion coordinates to four RE3+ cations such that a new 3-D framework is formed. They are the first examples of organic-inorganic hybrids which contain both squarate and ethylene glycol ligands.
關聯:	DALTON TRANSACTIONS
显示于类别:	[化學研究所] 期刊論文

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