Triclinic structural isomer of cerium(III)-picrate complexes with triethylene glycol

Eny Kusrini, Muhammad I. Saleh, Rohana Adnan, Hoong Kun Fun, Bohari Mohd. Yamin

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Two new isomers of [Ce(NO3)(Pic)(H2O)2(EO3)](Pic) complex (where EO3=triethylene glycol and Pic=picrate anion) have been synthesized by one-pot reaction and structurally characterized. Both isomers, orange and yellow in color, respectively, have a triclinic P-1 crystal lattice with different unit cell dimension, and Ce(III) adopts a different coordination number. In orange isomer, the Pic anion is chelated to Ce(III) via phenolic and ortho-nitro oxygens in a bidentate mode, while in yellow isomer the Pic anion is chelated only monodentate through the phenolic oxygen. Coordination geometries can be described as a distorted bicapped square antiprism and a distorted tricapped trigonal prism for 1 and 2, respectively. Alcohol groups from EO3 form a 1-D chain with symmetry direction [1 0 0] through intermolecular O-H...O hydrogen bonding. Photoluminescence spectra of the complexes showed a broad band at 515-540 nm due to the 5d → 4f transition from the Ce(III) with electric dipole allowed.

Original languageEnglish
Pages (from-to)484-497
Number of pages14
JournalJournal of Coordination Chemistry
Volume63
Issue number3
DOIs
Publication statusPublished - Feb 2010

Fingerprint

Cerium
picrates
Glycols
cerium
Isomers
glycols
isomers
Anions
Negative ions
anions
Oxygen
oxygen
Prisms
coordination number
crystal lattices
Crystal lattices
electric dipoles
prisms
Photoluminescence
Hydrogen bonds

Keywords

  • Cerium
  • Picrate complexes
  • Triethylene glycol

ASJC Scopus subject areas

  • Materials Chemistry
  • Physical and Theoretical Chemistry

Cite this

Triclinic structural isomer of cerium(III)-picrate complexes with triethylene glycol. / Kusrini, Eny; Saleh, Muhammad I.; Adnan, Rohana; Fun, Hoong Kun; Mohd. Yamin, Bohari.

In: Journal of Coordination Chemistry, Vol. 63, No. 3, 02.2010, p. 484-497.

Research output: Contribution to journalArticle

Kusrini, Eny ; Saleh, Muhammad I. ; Adnan, Rohana ; Fun, Hoong Kun ; Mohd. Yamin, Bohari. / Triclinic structural isomer of cerium(III)-picrate complexes with triethylene glycol. In: Journal of Coordination Chemistry. 2010 ; Vol. 63, No. 3. pp. 484-497.
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