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)

Yen Shen Liu; Ming Feng Tang; Kwang Hwa Lii

doi:10.1039/b911962k

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)

Yen Shen Liu, Ming Feng Tang, Kwang Hwa Lii

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

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, ¹³C 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 C₄O₄^2- 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.

Original language	English
Pages (from-to)	9781-9786
Number of pages	6
Journal	Dalton Transactions
Issue number	44
DOIs	https://doi.org/10.1039/b911962k
State	Published - 2009

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10.1039/b911962k

CCDC 737282: Experimental Crystal Structure Determination
Liu, Y.-S. (Contributor), Tang, M.-F. (Contributor) & Lii, K.-H. (Contributor), The Cambridge Structural Database, 2010
DOI: 10.5517/ccsr690, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccsr690&sid=DataCite
Dataset
CCDC 737276: Experimental Crystal Structure Determination
Liu, Y.-S. (Creator), Tang, M.-F. (Creator) & Lii, K.-H. (Creator), The Cambridge Structural Database, 2010
DOI: 10.5517/ccsr63t, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccsr63t&sid=DataCite
Dataset
CCDC 737275: Experimental Crystal Structure Determination
Liu, Y.-S. (Creator), Tang, M.-F. (Creator) & Lii, K.-H. (Creator), The Cambridge Structural Database, 2010
DOI: 10.5517/ccsr62s, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccsr62s&sid=DataCite
Dataset

Cite this

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title = "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)",

abstract = "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, 13C 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.",

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T2 - RE(C4O4) 1.5(C2H6O2) (RE = Y, La-Nd, Sm-Lu)

AU - Liu, Yen Shen

AU - Tang, Ming Feng

AU - Lii, Kwang Hwa

PY - 2009

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N2 - 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, 13C 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.

AB - 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, 13C 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.

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U2 - 10.1039/b911962k

DO - 10.1039/b911962k

M3 - 期刊論文

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AN - SCOPUS:71049165636

SN - 1477-9226

SP - 9781

EP - 9786

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ER -

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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Datasets

CCDC 737282: Experimental Crystal Structure Determination

CCDC 737276: Experimental Crystal Structure Determination

CCDC 737275: Experimental Crystal Structure Determination

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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)