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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 Pentagonal bipyramidal molecular geometry ： ウィキペディア英語版 Pentagonal bipyramidal molecular geometry In chemistry, a pentagonal bipyramid (or dipyramid) is a molecular geometry with one atom at the centre with seven ligands at the corners of a pentagonal dipyramid. A perfect pentagonal bipyramid belongs to the molecular point group ''D5h''. The pentagonal bipyramid is a case where bond angles surrounding an atom are not identical (see also Trigonal bipyramid molecular geometry). Other seven coordinate geometries include the mono-capped octahedron and mono-capped trigonal prism. A variety of transition metal complexes adopt heptacoordination, but the symmetry is usually lower than D5h. ==Examples== * Iodine heptafluoride (IF7) with 7 bonding groups * Peroxo Cr(IV)-complexes, e.g. () where the peroxo groups occupy four of the planar 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「Pentagonal bipyramidal 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.