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均配物

四羰基镍的配体都是一氧化碳,因此是均配物
顺铂的配体有氯原子以及氨,因此是异配物

均配物(Homoleptic)是指配合物中所有的配体都相同[1]。像四羰基镍(Ni(CO)4)的配体都是一氧化碳,即为均配物。若不止有一种配体,称为异配物(heteroleptic)。

有些化合物的名称看似均配物,但其实不然,因为有些名称中没有提及的配体。例如在含格氏试剂溶液中平衡的二烷基镁,其实有二个醚连结到中心的镁原子。

另一个例子是醚溶剂(例如四氢呋喃)中的三甲基铝,像三烷基或是三苯基硼烷也会有类似的情形。

二甲基亚砜等配体可能有二种或二种以上的配位方式。若配合物其配体用不止一种的方式进行配位,仍可以称为均配物。例如二氯化四(二甲基亚砜)合钌(II)中,二甲基亚砜分别以硫和氧和中心原子配位。

例子

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参考资料

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  1. ^ 国际纯化学和应用化学联合会化学术语概略,第二版。(金皮书)(1997)。在线校正版: (2006–) "homoleptic"。doi:10.1351/goldbook.H02850
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均配物
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