Synthesis and structural studies of lanthanum (Iii) Dialkyldithiocarbamates 1,10-phenantroline

Ibrahim Baba, Indah Raya, Bohari Mohd. Yamin

Research output: Contribution to journalArticle

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Abstract

A new series of lanthanum dialkyldithiocarbamate complexes with 1,10-phenantroline were successfully synthesized using in situ methods. These complexes were characterized using elemental analysis, infrared, thermogravimetric analysis and conductivity. Microelemental analysis data were in agreement with the general formula La(S2CNR'R")3phen (R'=ethyl, methyl; R"=butyl, heptyl, isopropyl, isobutyl, benzyl and cyclohexyl; phen = 1,10-phenantroline). Infrared spectra of complexes showed the thioureide v(C-N) bands were in the region of 1450-1482 cm-1. The single v(C-S) bands appeared in the region of 959-997 cm-1 and v(C-H) bands in the region of 2918-2955 cm-1. The crystal structure of tris(N,N- ethylbenzyldithiocarbamate)(1,10-phenantroline)lantanum(III) adopts an orthorombic system (space group Pccn) with a distorted dodecahedron geometry with a = 19.865(5) Å, b = 42.803(10) Å, c = 10.657(3) Å, α = β = γ= 90° and Z = 9. Three dithiocarbamates and one phenanthroline ligands were coordinated to the central La atom in bidentate manner.

Original languageEnglish
Pages (from-to)185-190
Number of pages6
JournalSains Malaysiana
Volume38
Issue number2
Publication statusPublished - Apr 2009

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Lanthanum
Infrared radiation
Phenanthrolines
Thermogravimetric analysis
Crystal structure
Ligands
Atoms
Geometry
Chemical analysis

Keywords

  • Crystal structure
  • Dithiocarbamate
  • Lanthanum

ASJC Scopus subject areas

  • General

Cite this

Synthesis and structural studies of lanthanum (Iii) Dialkyldithiocarbamates 1,10-phenantroline. / Baba, Ibrahim; Raya, Indah; Mohd. Yamin, Bohari.

In: Sains Malaysiana, Vol. 38, No. 2, 04.2009, p. 185-190.

Research output: Contribution to journalArticle

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abstract = "A new series of lanthanum dialkyldithiocarbamate complexes with 1,10-phenantroline were successfully synthesized using in situ methods. These complexes were characterized using elemental analysis, infrared, thermogravimetric analysis and conductivity. Microelemental analysis data were in agreement with the general formula La(S2CNR'R{"})3phen (R'=ethyl, methyl; R{"}=butyl, heptyl, isopropyl, isobutyl, benzyl and cyclohexyl; phen = 1,10-phenantroline). Infrared spectra of complexes showed the thioureide v(C-N) bands were in the region of 1450-1482 cm-1. The single v(C-S) bands appeared in the region of 959-997 cm-1 and v(C-H) bands in the region of 2918-2955 cm-1. The crystal structure of tris(N,N- ethylbenzyldithiocarbamate)(1,10-phenantroline)lantanum(III) adopts an orthorombic system (space group Pccn) with a distorted dodecahedron geometry with a = 19.865(5) {\AA}, b = 42.803(10) {\AA}, c = 10.657(3) {\AA}, α = β = γ= 90° and Z = 9. Three dithiocarbamates and one phenanthroline ligands were coordinated to the central La atom in bidentate manner.",
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