A range of four coordinate metal complexes: square planar MX2L2 where M = Ni, Pd and Pt, X = Cl, Br and I and L = Et3P and Et2PhP; dinuclear planar M2X4L2 where M = Pd and Pt, X and L as above; and tetrahedral MX2L2 where M = Co and Zn, X and L as above, have been prepared and their low frequency infrared and 1H, 13C and 31P nuclear magnetic resonance spectra have been recorded. Trends in the ν(M-X)
四种配位
金属配合物的范围:方形平面MX 2 L 2,其中M = Ni,Pd和Pt,X = Cl,Br和I,L = Et 3 P和Et 2 PhP;双核平面M 2 X 4 L 2,其中M = Pd和Pt,X和L如上所述;和四面体MX 2 L 2,其中M = Co和Zn,X和L如上所述,已经制备,并且它们的低频红外光谱和1 H,13 C和31记录了P核磁共振谱。ν(MX),ν(MP)和δ(MPC)振动模式的趋势以及膦的亚甲基的
化学位移趋势与配合物中的电子效应有关,这些配合物会影响
金属-
配体键。给出了振动模式ν(MP)和δ(MPC)的新分配。