基于邻接矩阵和离子结合力参数(bi)概念, 建立了新的连接性指数(mB); 用其0、1阶指数0B和1B与23种常见透红外离子晶体的晶格能(U)和透红外截止波长(λ)关联, 拟合所得的回归方程的相关系数分别为0.96904、0.98523、0.99185、0.97635, 满足优级或良级标准, 可作为设计透红外离子晶体截止波长的参考.
A novel connectivity topological index( mB) based on the adjacency matrix and the ionic parameter of binding force(bi) was derived in the present paper. The 0 and 1 order indexes0B and 1B of mB were derived to correlate the long wavelength limit(λ) and the lattice energy (U) of 23 different types of transparent ionic crystals in infrared range. The relative coefficients (R=0.96904,
0.98523, 0.99185, 0.97635) of the derived equations are all in the range of higher level standards. Therefore, the results of present research could be useful for the design and evaluation of the long wavelength limit of ionic crystals.
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