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Syntheses, Crystal Structures and Electrochemical Properties of Two Chiral Cu Complexes Based on D(-)/L(+)-4-Hydroxyphenylglycine
Author NameAffiliationE-mail
LIU Man-Yu College of Chemistry and Material Sciences, Hebei Normal University, Shijiazhuang 050024, China  
SHI Ya-Jing College of Chemistry and Material Sciences, Hebei Normal University, Shijiazhuang 050024, China  
WANG Lan-Zhi College of Chemistry and Material Sciences, Hebei Normal University, Shijiazhuang 050024, China  
SONG Hui-Hua College of Chemistry and Material Sciences, Hebei Normal University, Shijiazhuang 050024, China songhuihua@mail.hebtu.edu.cn 
Abstract: Two chiral coordination compounds based on D(-)/L(+)-4-hydroxyphenylglycine (D/L-Hhpg), {[Cu(D-hpg)(phen)(NO3)]·1.5H2O}n (1) and {[Cu(L-hpg)(phen)(NO3)]·2H2O}n (2) (phen=1,10-phenanthroline) have been syn-thesized and characterized by elemental analysis, infrared spectroscopy, powder X-ray diffraction, single-crystal X-ray diffraction, solid-state CD spectra and TG-DSC analysis. Compounds 1 and 2 are orthorhombic, P212121 chiral space groups. They are 1D chain structure, which is extended into a 3D supramolecular structure by the hydrogen bond. Interestingly, the compounds 1 and 2 exist left-handed or right-handed supramolecular helix chains along the b axis direction by the hydrogen bond respectively, which is extended by the hydrogen bond between coordinated nitrate anion and lattice water. Furthermore, based on the central metal ions of Cu(Ⅱ), further explored the compounds 1 and 2 of electrochemical properties, Analysis of cyclic voltammetry at varying scan rates (0.03 to 0.13 V·s-1) demonstrates a linear relationship between the anode peak current and the scan rate, indicating a surface-controlled electrochemical process.
Keywords: D(-)/L(+)-4-hydroxyphenylglycine  crystal structure  homochiral coordination compounds  electrochemistry
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LIU Man-Yu,SHI Ya-Jing,WANG Lan-Zhi,SONG Hui-Hua.Syntheses, Crystal Structures and Electrochemical Properties of Two Chiral Cu Complexes Based on D(-)/L(+)-4-Hydroxyphenylglycine[J].Chinese Journal of Inorganic Chemistry,2019,35(6):1065-1075.
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Chinese Journal of Inorganic Chemistry