Synthesis and characterization of bis [ n -(4-benzoyloxy) Benzylidene{ n (n -di-/tri-alkoxy)benzoyl}-hydrazinato]nickel(II) complexes displaying liquid crystalline columnar phases

M. Nurul Abser, M. Manzurul Karim, Abu Kauser, Rabeya Parvin, M. Elias Molla, Zenifer Yeasmin, Wajdi Michel Zoghaib, Zainab Al-Rawahi, Carlo Carboni, Ghalib Al-Saidi

Research output: Contribution to journalArticle

Abstract

A series of materials based on the aroylhydrazinatonickel (II) complex is synthesized and characterized. The molecule in the materials consist of two 4-benzoyloxy-benzene groups and two benzene rings having two or three alkoxy chains containing 6, 8, 10, and 12 carbon atoms attached at the azomethine moiety. The synthesis, characterization by NMR and the phase sequence observed by DSC and polarized light microscopy are presented. Most of the compounds in the series display columnar phases in the temperature range between 100°C and 200°C. The phases observed and their temperature ranges are discussed in terms of the number and position of attached alkoxy chains.

Original languageEnglish
Pages (from-to)9-18
Number of pages10
JournalMolecular Crystals and Liquid Crystals
Volume571
Issue number1
DOIs
Publication statusPublished - Jan 1 2013

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Benzene
Nickel
benzene
carbon 12
nickel
Crystalline materials
Liquids
Light polarization
synthesis
liquids
polarized light
Optical microscopy
Carbon
Nuclear magnetic resonance
microscopy
Atoms
Temperature
nuclear magnetic resonance
Molecules
temperature

Keywords

  • Columnar
  • dendritic growth
  • discotic
  • metallomesogen

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Science(all)

Cite this

Synthesis and characterization of bis [ n -(4-benzoyloxy) Benzylidene{ n (n -di-/tri-alkoxy)benzoyl}-hydrazinato]nickel(II) complexes displaying liquid crystalline columnar phases. / Abser, M. Nurul; Karim, M. Manzurul; Kauser, Abu; Parvin, Rabeya; Molla, M. Elias; Yeasmin, Zenifer; Zoghaib, Wajdi Michel; Al-Rawahi, Zainab; Carboni, Carlo; Al-Saidi, Ghalib.

In: Molecular Crystals and Liquid Crystals, Vol. 571, No. 1, 01.01.2013, p. 9-18.

Research output: Contribution to journalArticle

Abser, M. Nurul ; Karim, M. Manzurul ; Kauser, Abu ; Parvin, Rabeya ; Molla, M. Elias ; Yeasmin, Zenifer ; Zoghaib, Wajdi Michel ; Al-Rawahi, Zainab ; Carboni, Carlo ; Al-Saidi, Ghalib. / Synthesis and characterization of bis [ n -(4-benzoyloxy) Benzylidene{ n (n -di-/tri-alkoxy)benzoyl}-hydrazinato]nickel(II) complexes displaying liquid crystalline columnar phases. In: Molecular Crystals and Liquid Crystals. 2013 ; Vol. 571, No. 1. pp. 9-18.
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AU - Karim, M. Manzurul

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AU - Molla, M. Elias

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