are Cl(2) and O(2). Molecular dimensions are W–Cl(1), 2.369(4); W–O(1), 2.088(11); W–Cl(2), 2.242(10); and W–O(2), 2.053(22)Å. Single-crystal e.s.r. spectra of (1) diluted in the niobium analogue gave g1= 1.739 ± 0.002, g2= 1.763 ± 0.002, and g3= 1.770 ± 0.002, whilst a similar study on [AsPh4][WOCl4(OH2)] gave g∥= 1.806 ± 0.001 and g⊥= 1.765 ± 0.001. The e.s.r. data for [WOCl3(PPh3O)2], [MoOCl3(PPh3O)2]
(1)的晶体结构已经通过X射线晶体学方法确定。该化合物在单斜空间群C 2 / c中以a = 14.002(6),b = 13.059(7),c = 19.158(8)Å,β= 96.00(3)°和Z = 4结晶。 WOCl 3(PPh 3 O)2 ]分子在晶体的两个方向上无序,并具有晶体学施加的C 2轴穿过W原子。无序原子是Cl(2)和O(2)。分子尺寸为W–Cl(1),2.369(4); W–O(1),2.088(11); W–Cl(2),2.242(10); 和W–O(2),2.053(22)Å。(1)在
铌类似物中稀释的单晶esr光谱给出g 1 = 1.739±0.002,g 2 = 1.763±0.002和g 3 = 1.770±0.002,而对[AsPh 4 ] [ WOCl 4( OH 2)〕得到克∥ = 1.806±0.001和克⊥ = 1.765±0.001。[WOCl 3(PPh