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均配物

四羰基鎳的配體都是一氧化碳,因此是均配物
顺铂的配體有氯原子以及氨,因此是異配物

均配物(Homoleptic)是指配合物中所有的配體都相同[1]。像四羰基鎳(Ni(CO)4)的配體都是一氧化碳,即為均配物。若不止有一種配體,稱為異配物(heteroleptic)。

有些化合物的名稱看似均配物,但其實不然,因為有些名稱中沒有提及的配體。例如在含格氏试剂溶液中平衡的二烷基鎂,其實有二個醚連結到中心的鎂原子。

另一個例子是醚溶劑(例如四氢呋喃)中的三甲基铝,像三烷基或是三苯基硼烷也會有類似的情形。

二甲基亞碸等配體可能有二種或二種以上的配位方式。若配合物其配體用不止一種的方式進行配位,仍可以稱為均配物。例如二氯化四(二甲基亚砜)合钌(II)中,二甲基亞碸分別以硫和氧和中心原子配位。

例子

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參考資料

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  1. ^ 國際純化學和應用化學聯合會化學術語概略,第二版。(金皮書)(1997)。在線校正版: (2006–) "homoleptic"。doi:10.1351/goldbook.H02850
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均配物
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