Coordinate bond

Japanese: 配位結合 - はいいけつごう(英語表記)coordinate bond
Coordinate bond

A form of chemical bond when classified superficially according to form. Also called a donor bond or semi-polar bond. Considering one atom as the center, this refers to a bond that has directionality with respect to that atom, in which the electrons involved in the bond are considered to be formally donated only by one of the atoms. In terms of the essence of chemical bonds, it is a type of covalent bond, and is a bond that has both covalent and ionic bond elements. In other words, there is no special bond called a coordinate bond, but it is formally called this. Coordinate bonds are found in complexes and many inorganic and organic compounds.

[Nakahara Katsunori]

[Reference items] | Chemical bonds | Covalent bonds | Coordination compounds

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

化学結合を表面的に、形式に従って分類したときの一形式。提供結合、半極性結合ともいう。一方の原子を中心として考え、その原子について方向性をもった結合のうち、結合に関与する電子が形式的に一方の原子からのみ提供されたと考えられる結合をいう。化学結合の本質からいえば、共有結合の一種で、共有結合的要素とイオン結合的要素をもっている結合である。すなわち、配位結合という特別の結合があるわけではないが、形式的にこのようによばれる。配位結合は錯体や多くの無機・有機化合物に認められる。

[中原勝儼]

[参照項目] | 化学結合 | 共有結合 | 配位化合物

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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