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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Dipotassium cyclooctatetraenide ： ウィキペディア英語版 Dipotassium cyclooctatetraenide Dipotassium cyclooctatetraenide, sometimes abbreviated K2COT, is an organopotassium compound with the formula K2C8H8. It is a brown solid that is used as a precursor to cyclooctatetraenide complexes, such as uranocene (U(C8H8)2). Analogs of K2C8H8 are known with ring substituents, with different alkali metals, and with various complexants. ==Preparation and structure== Potassium cyclooctatetraenide is formed by the reaction of cyclooctatetraene with potassium metal: :2 K + C8H8 → K2C8H8 The reaction entails 2-electron reduction of the polyene and is accompanied by a color change from colorless to brown. The structure of K2(diglyme)C8H8 has been characterized by X-ray crystallography of the derivatives with diglyme complexed to the potassium cations. The C8H8 unit is planar with an average C-C distance of 1.40 A. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dipotassium cyclooctatetraenide」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.