has a very acute MSC angle of 86.5(5)°. The reaction of TaCl5 with excess (LiS-2,3,5,6-Me4C6H) in hexane gives [Ta(S-2,3,5,6-Me4C6H)5] (2). Compound 2 crystallizes in the triclinic space group, P1 with a = 11.165(9), b = 18.675(11) A, α = 90.87(4), β = 101.83(6), γ = 96.77(5)°, V = 2407(5) A3 with Z = 2. [Ta(S-2,3,5,6-Me4C6H)5) is a monomeric compound with a distorted five-coordinate geometry. The
TiCl4与
2,3,5,6-四甲基苯硫醇钾(KS-2,3,5,6-Me4C6H)在THF中的反应得到[Ti(S-2,3,5,6-Me4C6H)4](1 ),收率为50%。化合物1在三斜空间群P1中结晶,a = 11.666(4),b = 19.417(5),c = 8.916(7)A,α= 97.09(2),β= 110.30(2),γ= 87.95( 3)°,V = 1880(3),A3,Z =2。单体[Ti(S-2,3,5,6-Me4C6H)4]具有扭曲的四面体结构,TiS键为2.292(6) )A.
硫醇盐基团之一的MSC角非常陡,为86.5(5)°。TaCl5与过量(LiS-2,3,5,6-Me4C6H)在己烷中的反应得到[Ta(S-2,3,5,6-Me4C6H)5](2)。化合物2在三斜晶空间群P1中结晶,a = 11.165(9),b = 18.675(11)A,α= 90