Synthesis, characterization, photoluminescence, and electrochemical studies of novel mononuclear Cu(II) and Zn(II) complexes with the 1-benzylimidazolium ligand

Sherino Bibi, Sharifah Mohammad, Ninie Suhana Abdul Manan, Jimmy Ahmad, Muhammad Afzal Kamboh, Sook Mei Khor, Bohari Mohd. Yamin, Siti Nadiah Abdul Halim

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Two new mononuclear coordination complexes [Cu(bim)4Cl2]⋅2H2O (1) and [Zn(bim)2Cl2] (2) containing the 1-benzylimidazole (bim) ligand were successfully synthesized. Both complexes were characterized by IR, UV–vis, and fluorescence spectroscopies, single crystal and powder X-ray diffraction measurements, and thermogravimetric analysis. Self-assembly during the recrystallization process resulted in the formation of octahedral and tetrahedral Cu(II) and Zn(II) complexes, respectively. The single crystals obtained are representative of the bulk material, as shown by the powder X-ray diffraction patterns. Cyclic voltammetry measurements showed that complex 1 undergoes a quasi-reversible redox reaction, while complex 2 undergoes reduction alone, and no oxidation peak was observed; this is due to the stability of the reduced form of complex 2.

Original languageEnglish
Pages (from-to)31-38
Number of pages8
JournalJournal of Molecular Structure
Volume1141
DOIs
Publication statusPublished - 5 Aug 2017

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Photoluminescence
Single crystals
Ligands
Redox reactions
Coordination Complexes
Fluorescence spectroscopy
X ray powder diffraction
Self assembly
Diffraction patterns
Cyclic voltammetry
Thermogravimetric analysis
Infrared spectroscopy
Oxidation
1-benzylimidazole

Keywords

  • Benzylimidazole
  • Crystal structure
  • Cu(II) complex
  • Synthesis
  • Zn(II) complex

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy
  • Organic Chemistry
  • Inorganic Chemistry

Cite this

Synthesis, characterization, photoluminescence, and electrochemical studies of novel mononuclear Cu(II) and Zn(II) complexes with the 1-benzylimidazolium ligand. / Bibi, Sherino; Mohammad, Sharifah; Manan, Ninie Suhana Abdul; Ahmad, Jimmy; Kamboh, Muhammad Afzal; Khor, Sook Mei; Mohd. Yamin, Bohari; Abdul Halim, Siti Nadiah.

In: Journal of Molecular Structure, Vol. 1141, 05.08.2017, p. 31-38.

Research output: Contribution to journalArticle

Bibi, Sherino ; Mohammad, Sharifah ; Manan, Ninie Suhana Abdul ; Ahmad, Jimmy ; Kamboh, Muhammad Afzal ; Khor, Sook Mei ; Mohd. Yamin, Bohari ; Abdul Halim, Siti Nadiah. / Synthesis, characterization, photoluminescence, and electrochemical studies of novel mononuclear Cu(II) and Zn(II) complexes with the 1-benzylimidazolium ligand. In: Journal of Molecular Structure. 2017 ; Vol. 1141. pp. 31-38.
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abstract = "Two new mononuclear coordination complexes [Cu(bim)4Cl2]⋅2H2O (1) and [Zn(bim)2Cl2] (2) containing the 1-benzylimidazole (bim) ligand were successfully synthesized. Both complexes were characterized by IR, UV–vis, and fluorescence spectroscopies, single crystal and powder X-ray diffraction measurements, and thermogravimetric analysis. Self-assembly during the recrystallization process resulted in the formation of octahedral and tetrahedral Cu(II) and Zn(II) complexes, respectively. The single crystals obtained are representative of the bulk material, as shown by the powder X-ray diffraction patterns. Cyclic voltammetry measurements showed that complex 1 undergoes a quasi-reversible redox reaction, while complex 2 undergoes reduction alone, and no oxidation peak was observed; this is due to the stability of the reduced form of complex 2.",
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AU - Bibi, Sherino

AU - Mohammad, Sharifah

AU - Manan, Ninie Suhana Abdul

AU - Ahmad, Jimmy

AU - Kamboh, Muhammad Afzal

AU - Khor, Sook Mei

AU - Mohd. Yamin, Bohari

AU - Abdul Halim, Siti Nadiah

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N2 - Two new mononuclear coordination complexes [Cu(bim)4Cl2]⋅2H2O (1) and [Zn(bim)2Cl2] (2) containing the 1-benzylimidazole (bim) ligand were successfully synthesized. Both complexes were characterized by IR, UV–vis, and fluorescence spectroscopies, single crystal and powder X-ray diffraction measurements, and thermogravimetric analysis. Self-assembly during the recrystallization process resulted in the formation of octahedral and tetrahedral Cu(II) and Zn(II) complexes, respectively. The single crystals obtained are representative of the bulk material, as shown by the powder X-ray diffraction patterns. Cyclic voltammetry measurements showed that complex 1 undergoes a quasi-reversible redox reaction, while complex 2 undergoes reduction alone, and no oxidation peak was observed; this is due to the stability of the reduced form of complex 2.

AB - Two new mononuclear coordination complexes [Cu(bim)4Cl2]⋅2H2O (1) and [Zn(bim)2Cl2] (2) containing the 1-benzylimidazole (bim) ligand were successfully synthesized. Both complexes were characterized by IR, UV–vis, and fluorescence spectroscopies, single crystal and powder X-ray diffraction measurements, and thermogravimetric analysis. Self-assembly during the recrystallization process resulted in the formation of octahedral and tetrahedral Cu(II) and Zn(II) complexes, respectively. The single crystals obtained are representative of the bulk material, as shown by the powder X-ray diffraction patterns. Cyclic voltammetry measurements showed that complex 1 undergoes a quasi-reversible redox reaction, while complex 2 undergoes reduction alone, and no oxidation peak was observed; this is due to the stability of the reduced form of complex 2.

KW - Benzylimidazole

KW - Crystal structure

KW - Cu(II) complex

KW - Synthesis

KW - Zn(II) complex

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