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Construction of a Noncentrosymmetric Luminescent Coordination Polymer from [BaL 3 ] Unit (L = Pyridine‐2,6‐dicarboxylate Acid) and Li(I) Ion
Author(s) -
Song Ying,
Wu Zhaofeng,
Hu Bing,
Huang Xiaoying
Publication year - 2019
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.201800518
Subject(s) - chemistry , pyridine , crystal structure , luminescence , coordination polymer , ligand (biochemistry) , crystallography , quantum yield , ion , excitation , polymer , single crystal , stereochemistry , fluorescence , optoelectronics , medicinal chemistry , organic chemistry , optics , biochemistry , physics , receptor , electrical engineering , engineering
Summary of main observation and conclusion This work presents the synthesis, crystal structure and properties of a novel noncentrosymmetric (NCS) coordination polymer (CP), namely, (Me 2 NH 2 ) 3 [BaLi(2,6‐PyDC) 3 (H 2 O)] ( 1 ) (2,6‐PyDC = pyridine‐2,6‐dicarboxylate acid), which represents the first example of BaLi‐CPs with 2,6‐PyDC ligand. Single‐crystal X‐ray structural analysis reveals that the compound features a two‐dimensional (2D) layered structure. The simplified structure of each layer belongs to the hcb topology. The second harmonic generation (SHG) response of 1 is about 0.5 times that of KH 2 PO 4 (KDP) marker. What is more, 1 emits bright blue light upon the excitation of 365 nm UV light with the quantum yield (QY, Φ ) of 1.63%. The successful construction of this compound convinces the feasibility of constructing NCS CPs via the combination of [BaL 3 ] unit and Li(I) ion.
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