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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 Tetrafluoroammonium ： ウィキペディア英語版 Tetrafluoroammonium The tetrafluoroammonium cation (also known as perfluoroammonium) is a positively charged polyatomic ion with chemical formula . It is equivalent to the ammonium ion where the hydrogen atoms surrounding the central nitrogen atom have been replaced by fluorine. Tetrafluoroammonium ion is isoelectronic with tetrafluoromethane and the tetrafluoroborate anion. The tetrafluoroammonium ion forms salts with a large variety of fluorine-bearing anions. These include the bifluoride anion (), tetrafluorobromate (), metal pentafluorides ( where X is Ge, Sn, or Ti), hexafluorides ( where X is P, As, Sb, Bi, or Pt), heptafluorides ( where X is W, U, or Xe), octafluorides (), various oxyfluorides ( where X is W or U; , ), and perchlorate (). Attempts to make the nitrate salt, , were unsuccessful because of quick fluorination: + → + . == Structure == The geometry of the tetrafluoroammonium ion is tetrahedral, with an estimated nitrogen-fluorine bond length of 124 pm. All fluorine atoms are in equivalent positions.〔 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「Tetrafluoroammonium」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.