Monomeric Oxo-Thiolate of Niobium Complex: The Synthesis and Structural Characterization of Square-Pyramidal [Ph4P][NbO(SPh)4] Complex

Bulletin of the Korean Chemical Society

Volumn 18, Issue 7, 1997, Pages 685-686

  Park, Jung Woo ^a   Hah, Hoe Jin ^a   Koo, Sang Man ^a  

^a Hanyang University   (South Korea)

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[No Author keywords available]

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EID: 0000562374     PISSN: 02532964     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (29)

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22. - ligands. The integration of NMR resonance peaks confirms that the complex I is diamagnetic which the oxidation state of Nb is +5.
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24. 4]THF (I) is triclinic, space group P1bar with a= 12.628(2) Å, b=14.056(3) Å, c=15.450(4) Å, α=72.31 (2), β=70.83 (2), γ=72.67 (2), and Z=2. Single X-ray diffraction data for the crystal of I was collected on Mac Science MXC3 diffractometer using Mo-Koc radiation. The solution of structure was carried out by a combination of heavy atom Patterson techniques, direct methods, and Fourier techniques. The refinement of the structure by full matrix least squares methods was based on 6310 unique reflections (2θ=45°, I>2σ). Anisotropic temperature factors were used for all non-hydrogen atoms with the exceptions of the disordered THF solvent molecules that were refined with isotropic temperature factors. At the current stage of refinement on 537 parameters with all atoms present in the asymmetric units, R=0.048, Rw=0.1371.
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