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Structure of the copper (II) perchlorate complex with Schiff base ligand containing pyridine N-oxide fragments and propylene bridges: Solvatochromic effect

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autorschaft

  • Miroslav Boča
  • Mário Izakovič
  • Guido Kickelbick
  • Marián Valko
  • Franz Renz

Externe Organisationen

  • Slovak Academy of Sciences
  • Johannes Gutenberg-Universität Mainz
  • Slowakische Technische Universität Bratislava (STU)
  • Technische Universität Wien (TUW)
  • Technische Universität Darmstadt
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Details

OriginalspracheEnglisch
Seiten (von - bis)1913-1921
Seitenumfang9
FachzeitschriftPOLYHEDRON
Jahrgang24
Ausgabenummer15
PublikationsstatusVeröffentlicht - 27 Okt. 2005
Extern publiziertJa

Abstract

The copper (II) perchlorate complexes with Schiff base ligands were investigated by X-ray single crystal analysis, electron spectroscopy, infrared and electron paramagnetic spectroscopy. The Schiff bases were obtained as condensation products of 2-pyridinecarboxaldehyde N-oxide with dipropylenetriamine (L1) and triethylenetetramine (L3), respectively. The structure of the complex [CuL2](ClO 4)2 was solved. In the structure, the ligand exists in the form of aliphatic polyamine containing two Schiff bases in contrary to the free form of this ligand with one pyrimidine ring and one Schiff base. Electronic spectra of the copper (II) perchlorate complexes of both ligands in different solvents were measured including time dependences. Vivid solvatochromic effect was observed for the complexes of both ligands. It was suggested that similar solvents cause similar equilibrium in the system and at least two different ways of isomerisation of the ligand during complexation exist.

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Structure of the copper (II) perchlorate complex with Schiff base ligand containing pyridine N-oxide fragments and propylene bridges: Solvatochromic effect. / Boča, Miroslav; Izakovič, Mário; Kickelbick, Guido et al.
in: POLYHEDRON, Jahrgang 24, Nr. 15, 27.10.2005, S. 1913-1921.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Boča M, Izakovič M, Kickelbick G, Valko M, Renz F, Fuess H et al. Structure of the copper (II) perchlorate complex with Schiff base ligand containing pyridine N-oxide fragments and propylene bridges: Solvatochromic effect. POLYHEDRON. 2005 Okt 27;24(15):1913-1921. doi: 10.1016/j.poly.2005.06.009
Boča, Miroslav ; Izakovič, Mário ; Kickelbick, Guido et al. / Structure of the copper (II) perchlorate complex with Schiff base ligand containing pyridine N-oxide fragments and propylene bridges : Solvatochromic effect. in: POLYHEDRON. 2005 ; Jahrgang 24, Nr. 15. S. 1913-1921.
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title = "Structure of the copper (II) perchlorate complex with Schiff base ligand containing pyridine N-oxide fragments and propylene bridges: Solvatochromic effect",
abstract = "The copper (II) perchlorate complexes with Schiff base ligands were investigated by X-ray single crystal analysis, electron spectroscopy, infrared and electron paramagnetic spectroscopy. The Schiff bases were obtained as condensation products of 2-pyridinecarboxaldehyde N-oxide with dipropylenetriamine (L1) and triethylenetetramine (L3), respectively. The structure of the complex [CuL2](ClO 4)2 was solved. In the structure, the ligand exists in the form of aliphatic polyamine containing two Schiff bases in contrary to the free form of this ligand with one pyrimidine ring and one Schiff base. Electronic spectra of the copper (II) perchlorate complexes of both ligands in different solvents were measured including time dependences. Vivid solvatochromic effect was observed for the complexes of both ligands. It was suggested that similar solvents cause similar equilibrium in the system and at least two different ways of isomerisation of the ligand during complexation exist.",
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Download

TY - JOUR

T1 - Structure of the copper (II) perchlorate complex with Schiff base ligand containing pyridine N-oxide fragments and propylene bridges

T2 - Solvatochromic effect

AU - Boča, Miroslav

AU - Izakovič, Mário

AU - Kickelbick, Guido

AU - Valko, Marián

AU - Renz, Franz

AU - Fuess, Hartmut

AU - Matuzsná, Katarína

N1 - Funding Information: The authors greatly acknowledge to the Slovak APVT project 20-005204, to the MWFZ and Forschungsfond of the University Mainz and the DFG (SPP 1137; RE 1627/1-2), and to the Alexander von Humboldt Foundation for financial support.

PY - 2005/10/27

Y1 - 2005/10/27

N2 - The copper (II) perchlorate complexes with Schiff base ligands were investigated by X-ray single crystal analysis, electron spectroscopy, infrared and electron paramagnetic spectroscopy. The Schiff bases were obtained as condensation products of 2-pyridinecarboxaldehyde N-oxide with dipropylenetriamine (L1) and triethylenetetramine (L3), respectively. The structure of the complex [CuL2](ClO 4)2 was solved. In the structure, the ligand exists in the form of aliphatic polyamine containing two Schiff bases in contrary to the free form of this ligand with one pyrimidine ring and one Schiff base. Electronic spectra of the copper (II) perchlorate complexes of both ligands in different solvents were measured including time dependences. Vivid solvatochromic effect was observed for the complexes of both ligands. It was suggested that similar solvents cause similar equilibrium in the system and at least two different ways of isomerisation of the ligand during complexation exist.

AB - The copper (II) perchlorate complexes with Schiff base ligands were investigated by X-ray single crystal analysis, electron spectroscopy, infrared and electron paramagnetic spectroscopy. The Schiff bases were obtained as condensation products of 2-pyridinecarboxaldehyde N-oxide with dipropylenetriamine (L1) and triethylenetetramine (L3), respectively. The structure of the complex [CuL2](ClO 4)2 was solved. In the structure, the ligand exists in the form of aliphatic polyamine containing two Schiff bases in contrary to the free form of this ligand with one pyrimidine ring and one Schiff base. Electronic spectra of the copper (II) perchlorate complexes of both ligands in different solvents were measured including time dependences. Vivid solvatochromic effect was observed for the complexes of both ligands. It was suggested that similar solvents cause similar equilibrium in the system and at least two different ways of isomerisation of the ligand during complexation exist.

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KW - Dipropylenetriamine

KW - Imidazolidine

KW - Pyrimidine

KW - Schiff base

KW - Solvatochromism

KW - Structure

KW - Triethylenetetramine

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