solution. Attempts to prepare the corresponding iodo carbonyl complex of palladium(II) failed. The anion [PdI3(CO)]− rapidly undergoes decarbonylation both in solution and in the solid state. The stabilities of the halocarbonyl complexes relative to those of the corresponding halides (PdX2 or Pd2X62−) appear to decrease in the sequence Cl > Br > I. The crystal and molecular structures of the [PdX3(CO)]−
                                    在压力下,从PdBr 2与CO的反应中分离出先前难以捉摸的Pd 2 Br 4(CO)2与PdBr 2混合。根据溶液中的红外光谱数据,提出了一种中心对称结构。制备
钯(II)的相应
碘代羰基配合物的尝试失败。阴离子[PdI 3(CO)] -在溶液中和固态均迅速经历脱羰作用。卤代羰基配合物相对于相应卤化物(PdX 2或Pd 2 X 6 2-的稳定性))似乎会按顺序Cl> Br> I减少。[PdX 3(CO)] -阴离子(XCl,Br)的晶体和分子结构以[Nn-Bu 4 ] +作为抗衡阳离子。通过X射线衍射测定。[N(nC 4 H 9)4 ] [PdCl 3(CO)]的晶体数据:单斜晶;实测数据。空间群P 2 1 / n ; a 18.231(10); b 8.889(4);c 14.978(8)Å;β104.88(2)°; û 2346(2)埃3 ; Z = 4 D c 1.368 g厘米−3 ;