Inner Complex

Japanese: インナーコンプレクス - いんなーこんぷれくす
Inner Complex

…Other reagents with similar non-acidic -NH2 and =NH groups include the tridentate diethylenetriamine and the tetradentate triethylenetetramine. (Chemical formula) In the case of reagents with acidic and non-acidic groups in one molecule, such as amino acids, such as glycine, the oxidation number and coordination number of the central atom are often satisfied simultaneously by chelation, and the electrically neutral chelate complexes that are formed in this case are called inner complex salts, and many of them are important as precipitating reagents. Ethylenediaminetetraacetic acid (EDTA) is a reagent with two non-acidic ≡N groups and four acidic -COOH groups, and usually acts as a hexadentate or pentadentate ligand. …

*Some of the terminology that mentions "inner complex" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…同様の非酸性-NH2基および=NH基をもつ試薬として,三座配位のジエチレントリアミン,および四座配位のトリエチレンテトラミンなどがある。(化学式)アミノ酸,たとえばグリシンのように一つの分子中に酸性基と非酸性基とをもつ試薬の場合には,キレート生成によって中心原子の酸化数と配位数とを同時に満足する場合が多く,このときできる電気的に中性のキレート錯体はインナーコンプレクスinner complex salt(分子内錯塩)と呼ばれ,沈殿試薬として重要なものが多い。エチレンジアミン四酢酸(EDTA)は非酸性の≡N基二つと酸性の-COOH基四つをもつ試薬で,ふつう六座および五座配位子として働く。…

※「インナーコンプレクス」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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