【研究發展處訊】
化學系王志傑教授發表最新期刊論文
A 3d-4f Complex Constructed by the Assembly of a Cationic Template, [Cu(en)2]2+, and a 3D Anionic Coordination Polymer, [Sm2(C2O4)3(C5O5)(H2O)2]2–
作者:Ke, Szu-Yu ; Yeh, Chang-Tsung ; Wang, Chih-Chieh ; Lee, Gene-Hsiang ; Sheu, Hwo-Shuenn
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE,卷:643 期:10 頁碼:657-663,出版日期: 2017年5月18日 (SCI)
摘要:
A three-dimensional (3D) 3d-4f complex, [Cu(en)2][Sm2(C5O5)(C2O4)3(H2O)2]·8H2O (1) (en = ethylenediamine, C5O52– = dianion of 4,5-dihydroxycyclopent-4-ene-1,2,3-trione), were prepared via the in-situ ring-opening oxidation reaction of croconate in the presence of the template-directed complex, [Cu(en)2]2+ cation. The structural characterization determined by X-ray diffraction determination reveals that the 3D anionic coordination polymer of [Sm2(C2O4)3(C5O5)(H2O)2]2– in 1 can be describe in terms of in-plane 2D honeycomb-like [Sm2(C2O4)3] layered frameworks bridged by oxalate with bis-chelating mode, being mutually interlinked via the bridge of μ1,2,3,4-croconate ligands with bis-chelating coordination mode to complete the 3D open framework, which gives rise to 1D channels with pore size of 14.023×11.893 Å angstrom (longest atom-atom contact distances) along the b axis. The structure-directing complex, [Cu(en)2]2+, and solvated water molecules are resided into these honeycomb-type hexagonal channels. The thermal stability of 1 was further studied by TGA and in-situ powder X-ray diffraction measurement.
關鍵字
作者關鍵字:Coordination polymer; Host-guest chemistry; Samarium; Copper; Hydrogen bonds
KeyWords Plus:METAL-ORGANIC FRAMEWORK; CRYSTAL-STRUCTURE; MAGNETIC-PROPERTIES; COPPER(II) COMPLEXES; OXOCARBON DIANIONS; SURFACE-AREA; CROCONATE; OXALATES; ETHYLENEDIAMINE; CHANNELS
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