bonds in the compounds depicted exhibit formal σ donation in the opposite direction. Computational and spectroscopic data support stannylpalladium (PdISnIII) and palladastanna(IV)ocane (Pd0→SnIV) descriptions over stannylene coordination.
Pushmi-pullyu和
钯:尽管由SnCl 2向Pd II络合物的σ贡献而产生,但所示化合物中的SnPd键在相反的方向上表现出正式的σ贡献。计算和光谱数据支持stannylpalladium
钯(Pd我
锡III)和palladastanna(IV)ocane
钯(Pd 0 →Sn的IV)超过stannylene协调描述。