AM1/d Parameters for Molybdenum

AM1/d Parameters for Molybdenum
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钼的 AM1/d 参数

DOI:
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发表时间:
2000
期刊:
影响因子:
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通讯作者:
N. Rösch
N. Rösch
中科院分区:
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文献类型:
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作者:
Alexander A. Voityuk and;N. Rösch

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AM 1方案扩展到d轨道,AM 1/d,已被参数化钼。对一系列钼化合物的结构和能量计算结果与实验数据进行了比较。键长的平均绝对误差为0.044 A(83次比较),X-Mo-Y角的平均绝对误差为3.3°(65次比较)。生成热的平均绝对误差为6.5千卡/摩尔(50次比较)。该评估证明了AM 1/d的良好性能。因此,所提出的方法可用于计算结构参数,以及形成热,反应焓,和相当大的钼的无机和有机金属化合物的键能。
The AM1 scheme extended to d orbitals, AM1/d, has been parametrized for molybdenum. Computational results on structures and energetics of a series of molybdenum compounds are compared with experimental data. The mean absolute error of bond lengths is 0.044 A (83 comparisons) and that of X−Mo−Y angles is 3.3° (65 comparisons). The mean absolute error of heats of formation amounts to 6.5 kcal/mol (50 comparisons). This assessment demonstrates the good performance of AM1/d. Thus, the proposed method may be used for computing structural parameters as well as heats of formations, reaction enthalpies, and bond energies of rather large inorganic and organometallic compounds of molybdenum.