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Self-Assembly by Tridentate or Bidentate Ligand: Synthesis and Vapor Adsorption Properties of Cu(II), Zn(II), Hg(II) and Cd(II) Complexes Derived from a Bis(pyridylhydrazone) Compound.

ABSTRACT: Four complexes, [Cu4L2(OCH3)2(CH3OH)2]·2H2O (1), [Zn2L2Cl4]·2H2O·2CH3OH (2), [Hg2L2Br4]·4CH3OH (3), and {[CdL2Cl2]·4H2O·4CH3OH}n (4), have been synthesized and characterized from a bis(pyridylhydrazone) ligand (L) with copper(II), zinc(II), mercury(II) or cadmium(II), respectively. Complex 1 exists as a centrosymmetric tetranuclear dimer with L as deprotonated tridentate ligand. Complexes 2 and 3 exist as centrosymmetric metallamacrocycles with L as bidentate ligand. Complex 4 exists as a 1D looped-chain coordination polymer. The thermal stabilities and vapor adsorption properties of the four complexes were investigated as well.

SUBMITTER: Liu HJ 

PROVIDER: S-EPMC7795747 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Self-Assembly by Tridentate or Bidentate Ligand: Synthesis and Vapor Adsorption Properties of Cu(II), Zn(II), Hg(II) and Cd(II) Complexes Derived from a Bis(pyridylhydrazone) Compound.

Liu Hong-Juan HJ   Yi Rui R   Chen Dong-Mei DM   Huang Chao C   Zhu Bi-Xue BX  

Molecules (Basel, Switzerland) 20201229 1

Four complexes, [Cu<sub>4</sub><b>L</b><sub>2</sub>(OCH<sub>3</sub>)<sub>2</sub>(CH<sub>3</sub>OH)<sub>2</sub>]·2H<sub>2</sub>O (<b>1</b>), [Zn<sub>2</sub><b>L</b><sub>2</sub>Cl<sub>4</sub>]·2H<sub>2</sub>O·2CH<sub>3</sub>OH (<b>2</b>), [Hg<sub>2</sub><b>L</b><sub>2</sub>Br<sub>4</sub>]·4CH<sub>3</sub>OH (<b>3</b>), and {[Cd<b>L</b><sub>2</sub>Cl<sub>2</sub>]·4H<sub>2</sub>O·4CH<sub>3</sub>OH}<sub>n</sub> (<b>4</b>), have been synthesized and characterized from a bis(pyridylhydrazone) ligand (<b  ...[more]

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