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首页> 外文期刊>Chemical Physics Letters >THREE-DIMENSIONAL MODEL TREATMENT OF THE TORSIONAL LEVELS OF ISOTOPIC WATER TRIMERS
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THREE-DIMENSIONAL MODEL TREATMENT OF THE TORSIONAL LEVELS OF ISOTOPIC WATER TRIMERS

机译:同位素水三聚体扭转水平的三维模型治疗

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摘要

A coupled three-dimensional model calculation of the low-frequency intermolecular torsional levels of the isotopically substituted water trimers (H2O)(2) . D2O and (D2O)(2) . H2O is presented, using the modEPEN torsional potential energy surface and a three-dimensional discrete variable representation approach. Relative to the pure trimers (D2O)(3) and (H2O)(3), the dynamical symmetry breaking leads to shifts of all torsional levels, as well as splittings of the degenerate e(u) and e(g) torsional levels of up to 20 cm(-1). The lowest nine (eight) levels of (H2O)(2) . D2O ((D2O)(2) . H2O) are pseudorotational states. The lowest torsional excitation of (D2O)(2) . H2O is predicted to lie at only 1.6 cm(-1). [References: 30]
机译:同位素取代的水三聚体(H2O)(2)的低频分子扭转水平的耦合三维模型计算。 D2O和(D2O)(2)。 使用Modepen扭转势能表面和三维离散变量表示方法提出了H2O。 相对于纯三聚体(D2O)(3)和(3)(3),动态对称断裂导致所有扭转水平的偏移,以及退化e(U)和e(g)扭转水平的分裂 高达20厘米(-1)。 (H2O)(2)的最低九(8)水平。 D2O((D2O)(2)。H2O)是伪传道状态。 (D2O)(2)的最低扭转激发激发。 预计H2O仅以1.6厘米(-1)。 [参考:30]

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