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首页> 外文期刊>Physical chemistry chemical physics: PCCP >Calculating and assigning rovibrational energy levels of (~(15)N2O)2, (~(15)N~(14)NO)2,~(14)N20-~(15)N2O and ~(15)N~(14)NO-~(15)N2O
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Calculating and assigning rovibrational energy levels of (~(15)N2O)2, (~(15)N~(14)NO)2,~(14)N20-~(15)N2O and ~(15)N~(14)NO-~(15)N2O

机译:计算和分配(〜(15)N2O)2,(〜(15)N〜(14)NO)2,〜(14)N20-〜(15)N2O和〜(15)N〜(14)的振动能级NO ~~(15)N2O

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摘要

In this paper we report transition frequencies and rotational constants computed for several isotopologues of the nitrous oxide dimer. A previously reported intermolecular potential, the symmetry adapted Lanczos algorithm and an uncoupled product basis set are used to do the calculations. Rotational transition frequencies and rotational constants are in good agreement with experiment. We calculate states localized in both polar and nonpolar wells on the potential surface. Two of the four isotopologues we study have inequivalent monomers. They have wavefunctions localized over a single polar well.
机译:在本文中,我们报告了为一氧化二氮二聚体的几种同位素形成的跃迁频率和旋转常数。使用先前报道的分子间电势,对称适应的Lanczos算法和非耦合乘积基集进行计算。旋转跃迁频率和旋转常数与实验吻合良好。我们计算位于潜在表面上的极性和非极性井中的状态。我们研究的四个同位素共聚物中有两个具有不等价的单体。它们具有局域在单极井上的波函数。

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