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1·Based on the crystal structure data of the lanthanide complexes, lanthanide contraction of the single valance bond length R0 for Ln-O bond is confirmed.

根据镧系元素络合物的晶体结构数据确定了单价键长R0的镧系收缩效应，并对已有的键价参数进行了系统的修订。

2·The ligand field stabilization, the transition-metal contraction, and the lanthanide contraction are reflected in the relative values of the electronegativity scale.

此外，该标度值的相对大小还能反映配合物的稳定性，过渡金属收缩和镧系元素收缩等性质。