An eight-coordinate strontium complex with two tetradentate triethanolamine ligands: synthesis, IR spectra, thermal analysis and crystal structure of bis(triethanolamine)strontium(II) saccharinate

Kazak C., Hamamci S., Topcu Y., YILMAZ V. T.

JOURNAL OF MOLECULAR STRUCTURE, vol.657, no.1-3, pp.351-356, 2003 (SCI-Expanded) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 657 Issue: 1-3
  • Publication Date: 2003
  • Doi Number: 10.1016/s0022-2860(03)00429-0
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.351-356
  • Keywords: triethanolamine complex, strontium(II) complex, eight-coordination, dicapped trigonal prism, crystal structure
  • Ondokuz Mayıs University Affiliated: Yes


Bis(triethanolamine)strontium(II) saccharinate, [Sr(tea)(2)](sac)(2) was synthesized and characterized by IR spectroscopy, thermal analysis and X-ray diffraction techniques. The compound crystallizes in orthorhombic system and consists of two sac anions and a complex cation, in which each tea ligand behaves as a tetradentate ligand and their configuration results in an eight-coordinate strontium(II) complex with a bicapped trigonal prism geometry. The anions and cations are linked by the intermolecular hydrogen bonds between the hydroxyl hydrogens of the tea ligands and the amine N, and carbonyl O atoms of the neighbouring sac ions, forming one-dimensional chains running parallel to c. The adjacent chains are held together by van der Waals interactions, creating a three-dimensional network. The FTIR spectra and thermal decomposition of the complex were discussed. (C) 2003 Elsevier B.V. All rights reserved.