Chao Huang

Guizhou University

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CCDC 2260123: Experimental Crystal Structure Determination

The Cambridge Structural Database (2023)

Zhou Zhang Jingpeng Li Zhuoyu Wang Mengxi Xie Xian-Song Xia

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccdc.csd.cc2fvv6c

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A Helical Salicylaldehyde Schiff Base Exhibiting Aie and Selective Recognition of Cu2+ Ions

Mao-Juan Tian Tao Jiang Bi‐Xue Zhu Jun-Xia Zhu Chao Huang

A racemic salicylaldehyde Schiff base (L) containing a pyridine-2,6-dicarboxamide scaffold was successfully synthesized and characterized. L exhibited a typical aggregation-induced emission (AIE) characteristic in the mixed solvent of THF/H2O. The UV-Vis absorption spectra and fluorescence emission spectra showed a high selectivity and sensitivity of L for the recognition of Cu2+ over other ions in the solution of THF/H2O (2:3, V/V), and indicated L can be used as a turn-off fluorescent probe for Cu2+. The stoichiometric ratio, association constant, and the detection limit of probe L toward Cu2+ were estimated using Job's plot method, UV-Vis spectra titration, and fluorescence spectra titration. More importantly, a Cu(II) complex was synthesized from the coordination interaction of probe L with Cu2+ and characterized by X-ray crystal diffraction technique. The crystal structure well illustrated the binding mode of L with Cu2+, contributing to the further understanding of the coordination mechanism.

Salicylaldehyde

10.2139/ssrn.4836954

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Q[8]/SC[6]A-based framework constructed via OSIQ for metal ion capture

Chinese Chemical Letters (2021)

Li-Fei Tian Ming Liu Lixia Chen Chao Huang Qian‐Jiang Zhu

10.1016/j.cclet.2021.08.106

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Synthesis, Crystal Structures, Photophysical And Antibacterial Properties Of Ag(I) And Zn(Ii) Coordination Polymers Based on a Flexible Bisacylhydrazone Ligand

Huan-Huan Yu Tao Jiang Bi‐Xue Zhu Chao Huang Dong-Mei Chen

A flexible bisacylhydrazone ligand (H4L) was designed and synthesized from the condensation reaction of dialdehyde 3,3’-thiobis(methyiene)-bis-(5-methyl-salicylaldehyde) (b) with isonicotinic hydrazide. In the DMSO/methanol solution, two coordination polymers (CPs), formulated as {[Ag(H4L)NO3]·DMSO·2H2O}n (CP 1) and {[Zn2(H2L2-)2]·3DMSO·3H2O}n (CP 2), were synthesized from H4L with Ag(I) or Zn(II) ions, respectively. These two CPs were characterized via elemental analysis, FT-IR spectra, and single crystal X-ray determination. The results show that CP 1 exists as a 1D looped-chain polymer, while CP 2 exists as a 2D sheet polymer. The coordination configurations of the two CPs were analyzed and compared in detail, which disclose the terminal pyridyl nitrogen atoms exhibit obviously stronger coordination ability compared to other sites. In addition, photophysical, electrochemical and antibacterial properties of H4L and the two CPs were investigated.

Coordination polymer

Crystal (programming language)

10.2139/ssrn.4500730

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Host-guest interactions of 8-aniline-1-naphthalene sulfonic acid with two macrocycles containing 2,6-pyridylamide and dipyrrole units

Journal of Chemical Sciences (2022)

Rui Yi Hongjuan Liu Ying Xiong Dong-Mei Chen Chao Huang

Sulfonic acid

Binding constant

Proton NMR

10.1007/s12039-022-02085-7

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CCDC 1052514: Experimental Crystal Structure Determination

The Cambridge Structural Database (2015)

Lu Liu Chao Huang Xiaonan Xue Ming Li Hongwei Hou

10.5517/cc14b72s

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Heterochiral or Homochiral Self‐Assembly: Mercury(II), Cadmium(II), and Spontaneous Resolution of Silver(I) Complexes Derived from a Racemic Bis(pyridyl) Ligand

European Journal of Inorganic Chemistry (2020)

Chao Huang Yongjie Liu Ya‐Ting Chen Dong‐Mei Chen Bi‐Xue Zhu

A novel racemic bis(pyridyl) ligand ( rac ‐ L ) was designed and synthesized by Schiff condensation reaction. Five complexes, [Hg 2 ( L R )( L S )Cl 4 ] · 2CH 3 CH 2 OH ( 1 ), [Cd( L R )( L S )Cl 2 ] n ( 2 ), {[Cd( L R )( L S )SO 4 (H 2 O)] · 11H 2 O} n ( 3 ), {[Ag( L R ) 2 ]NO 3 · CH 3 CN} n ( 4a ) and {[Ag( L S ) 2 ]NO 3 · CH 3 CN} n ( 4b ) have been synthesized and characterized. The different geometric features of complexes 1 – 4 were determined by single‐crystal X‐ray diffraction. The crystal structures show that the self‐assembly with racemic ligands can lead to homochiral or heterochiral complexes, through self‐recognition or self‐discrimination of the ligand units. Complex 1 exists as a 26‐membered binuclear heterochiral macrocycle. Complexes 2 and 3 form 1D mesomeric looped chain coordination polymers with different heterochiral self‐assembly types. More interestingly, two novel 2D homochiral coordination polymers 4a and 4b were obtained as racemic conglomerates via spontaneous resolution. Furthermore, the thermal stabilities and luminescence properties of complexes 1 – 4 were investigated.

10.1002/ejic.201901311

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CCDC 2041794: Experimental Crystal Structure Determination

The Cambridge Structural Database (2021)

Hongjuan Liu Rui Yi Dong-Mei Chen Chao Huang Bi‐Xue Zhu

10.5517/ccdc.csd.cc26jnbr

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CCDC 906793: Experimental Crystal Structure Determination

The Cambridge Structural Database (2013)

Yi Han Nicholas F. Chilton Ming Li Chao Huang Hong Xu

10.5517/cczfldc

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Synthesis, Crystal Structures and Antibacterial Properties of Four Complexes Derived from Mono- or Diquinoline-Substituted Acylhydrazone Ligands

SSRN Electronic Journal (2022)

Bi‐Xue Zhu Ling‐Chan Tian Jun-Xia Zhu Chao Huang Dong-Mei Chen

Two quinoline-substituted acylhydrazone ligands ( L 1 and L 2 ) were synthesized from the reaction of 2-aminobenzoylhydrazide and quinoline-8-carboxaldehyde in a molar ratio of 1:1 or 1:2 respectively. Four complexes, namely, [Cd( L 1 )Cl 2 ] ( 1 ), [Pd( L 1 - )Cl] ( 2 ), [Ag 2 ( L 2 ) 2 (NO 3 ) 2 ]‧2CH 3 OH ( 3 ) and [Zn( L 2 )Cl 2 ]·H 2 O ( 4 ) were obtained by the solvent evaporation method. The four complexes were determined structurally by single-crystal X-ray diffraction and characterized by infrared spectroscopy, element analysis and powder X-ray diffraction. The crystal structures reveal that both of the two acylhydrazone compounds act as tridentate ligands in the complexes. Besides, chiral self-assembly process occurs in the reaction of the racemic ligand L 2 with Ag(I) or Zn (II) ions. Furthermore, thermal stability and antibacterial properties of the complexes have been investigated as well.

10.2139/ssrn.4119242

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Citations (1)