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分析了金属间化合物α－（ＡｌＭｎＳｉ）的空间结构，并运用余瑞璜的固体与分子经验电子论中的键距差分析法计算了α－（ＡｌＭｎＳｉ）的理论键距及其各种原子所选取的杂阶．在此基础上计算出α－（ＡｌＭｎＳｉ）中Ｍｎ原子键络的共价键键能．
The space structure of α - (AlMnSi) intermetallic compound was analyzed and the theoretical bond distance of α- (AlMnSi) and its selected atoms of various atoms were calculated using the bond distance difference analysis method in solid state and molecular empirical electronic theory Miscellaneous steps. Based on this, the covalent bond energy of Mn atom in αM (AlMnSi) was calculated.