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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 Born–Mayer equation ： ウィキペディア英語版 Born–Mayer equation The Born–Mayer equation is an equation that is used to calculate the lattice energy of a crystalline ionic compound. It is a refinement of the Born–Landé equation by using an improved repulsion term. :$E\; =-\; \backslash frac\backslash left(1-\backslash frac\backslash right)$ where: *''N''A = Avogadro constant; *''M'' = Madelung constant, relating to the geometry of the crystal; *''z''+ = charge number of cation *''z''− = charge number of anion *''e'' = elementary charge, 1.6022 C *''ε''0 = permittivity of free space *:4π''ε''0 = 1.112 C2/(J·m) *''r''0 = distance to closest ion *''p'' = a constant dependant on the compressibility of the crystal; 30 pm works well for all alkali metal halides ==See also== *Born–Landé equation *Kapustinskii equation 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「Born–Mayer equation」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.