199851-64-4Relevant academic research and scientific papers
Synthesis and Structure of a Zirconium Dinitrogen Complex with a Side-On Bridging N2 Unit
Cohen, Jonathan D.,Fryzuk, Michael D.,Loehr, Thomas M.,Mylvaganam, Murugesapillai,Rettig, Steven J.
, p. 112 - 119 (1998)
Reduction of Zr(O-2,6-Me2C6H3)Cl2[N(SiMe 2CH2PPri2)2] with sodium amalgam under dinitrogen yields the dinuclear zirconium dinitrogen complex {[(Pr2iPCH2SiMe2) 2N]Zr(O-2,6-Me2C6H3)}2(/a side-on mode of coordination with the N-N bond distance at 1.528(7) A?; resonance Raman spectra show a band at 751 cim-1 for ν(N-N), which is consistent with this very long bond. In addition, the N2 ligand is hinged slightly so that the Zr2(μ-η2:η2-N2) core adopts a flattened butterfly shape rather than a completely planar core as found in other related systems. Other Zr(IV) precursors of the general formula ZrCl2X[N(SiMe2CH2PPr2 i)2] (X = OBut, OCHPh2, NPh2) either decompose upon reduction under N2 or produce mixtures of products.
