Gülşah KILIÇKAYA, Başak DOĞAN, Nursel ACAR, İşıl Topaloğlu SÖZÜER

9961

Reactions of the solvent-stabilized compound [MoOCl2(THF)2] with aromatic nitrogen donor ligands: spectroscopic characterization and semiempirical AM1* calculations

Reaction of the solvent-stabilized dioxo-molybdenum(VI) compound [MoO2Cl2(THF)2] with PPh3 yielded the oxomolybdenum(IV) species [MoOCl2(THF)2] (1) by the removal of one oxygen atom as PPh3O. The complexes [MoOCl2(=NC6H4CN)] 2, [MoOCl2(CNC6H4OH)] 3, [MoOCl2(=NC6H4NH2)] 4, and [MoOCl2(=NC6H4OCH3)] 5, were synthesized by the reactions of [MoOCl2(THF)2] with XC6H4Y (X = NH2, Y = CN; X= CN, Y = OH; X = Y = NH2; X = NH2, Y = OCH3). All the new compounds were characterized by elemental analyses, and FTIR, UV-Vis, and 1H- and 13C-NMR spectra. Geometrical parameters and molecular orbital calculations showed that compounds 2-5 are stabilized by a charge transfer between the Mo center and the phenyl ring.
Anahtar Kelimeler:

Mo(VI) complexes; oxo-imido complexes; oxomolybdenum complexes; oxygen atom.

Reactions of the solvent-stabilized compound [MoOCl2(THF)2] with aromatic nitrogen donor ligands: spectroscopic characterization and semiempirical AM1* calculations

Reaction of the solvent-stabilized dioxo-molybdenum(VI) compound [MoO2Cl2(THF)2] with PPh3 yielded the oxomolybdenum(IV) species [MoOCl2(THF)2] (1) by the removal of one oxygen atom as PPh3O. The complexes [MoOCl2(=NC6H4CN)] 2, [MoOCl2(CNC6H4OH)] 3, [MoOCl2(=NC6H4NH2)] 4, and [MoOCl2(=NC6H4OCH3)] 5, were synthesized by the reactions of [MoOCl2(THF)2] with XC6H4Y (X = NH2, Y = CN; X= CN, Y = OH; X = Y = NH2; X = NH2, Y = OCH3). All the new compounds were characterized by elemental analyses, and FTIR, UV-Vis, and 1H- and 13C-NMR spectra. Geometrical parameters and molecular orbital calculations showed that compounds 2-5 are stabilized by a charge transfer between the Mo center and the phenyl ring.
Keywords:

Mo(VI) complexes; oxo-imido complexes; oxomolybdenum complexes; oxygen atom.,

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Turkish Journal of Chemistry-Cover
  • ISSN: 1300-0527
  • Yayın Aralığı: Yılda 6 Sayı
  • Yayıncı: TÜBİTAK
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