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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 Tetrahedral molecular geometry ： ウィキペディア英語版 Tetrahedral molecular geometry In a tetrahedral molecular geometry, a central atom is located at the center with four substituents that are located at the corners of a tetrahedron. The bond angles are cos−1(−1/3) =109.4712206...° ≈ 109.5° when all four substituents are the same, as in methane (CH4).〔("Angle Between 2 Legs of a Tetrahedron" ) – Maze5.net〕 〔(Valence Angle of the Tetrahedral Carbon Atom ) W.E. Brittin, J. Chem. Educ., 1945, 22 (3), p 145〕 The perfectly symmetrical tetrahedron belongs to point group Td, but most tetrahedral molecules are have lower symmetry. Tetrahedral molecules can be chiral. == Examples == 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「Tetrahedral molecular geometry」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.