resonance energy

简明释义

共振能

英英释义

例句

1.Engineers often consider the resonance energy when designing structures to avoid resonance disasters.

工程师在设计结构时经常考虑共振能量以避免共振灾难。

2.In quantum mechanics, the concept of resonance energy refers to the energy associated with a system that oscillates at a specific frequency.

在量子力学中，共振能量的概念指的是与以特定频率振荡的系统相关的能量。

3.The resonance energy of a system can determine its stability and reactivity in chemical reactions.

一个系统的共振能量可以决定其在化学反应中的稳定性和反应性。

4.In spectroscopy, the resonance energy helps in identifying the molecular structure of compounds.

在光谱学中，共振能量有助于识别化合物的分子结构。

5.The resonance energy of the molecule can be calculated using various computational chemistry methods.

分子的共振能量可以通过各种计算化学方法进行计算。

作文

In the realm of physics and chemistry, the concept of resonance energy plays a crucial role in understanding molecular stability and reactivity. 共振能量 refers to the energy associated with the stabilization of a molecule due to the delocalization of electrons across multiple structures, known as resonance forms. This phenomenon is particularly significant in the study of organic compounds, where the presence of double bonds and lone pairs can lead to multiple valid Lewis structures. To illustrate this concept, let us consider benzene, a classic example of resonance in organic chemistry. Benzene can be represented by two primary resonance structures, which depict alternating single and double bonds between carbon atoms. However, the reality is that the actual structure of benzene is a hybrid of these forms, resulting in equal bond lengths and strengths. The resonance energy of benzene is the energy difference between the actual structure and the most stable resonance structure, indicating that the real structure is more stable than any individual resonance form. This stability is a direct consequence of the delocalization of pi electrons, which lowers the overall energy of the molecule. Understanding resonance energy is essential for predicting the behavior of molecules during chemical reactions. Molecules with high resonance energy are generally more stable and less reactive than those without such stabilization. For example, compounds like phenol exhibit significant resonance stabilization, making them less reactive than their non-aromatic counterparts. Conversely, molecules that lack resonance stabilization tend to be more reactive, as they are more likely to undergo chemical changes to achieve a more stable configuration. Moreover, the concept of resonance energy extends beyond simple organic compounds. In coordination chemistry, metal complexes often exhibit resonance stabilization due to the presence of ligands that can donate electron density to the metal center. This delocalization not only affects the stability of the complex but also influences its reactivity and interaction with other species. In conclusion, resonance energy is a fundamental concept in both chemistry and physics, providing insights into the stability and reactivity of various molecules. By understanding how 共振能量 contributes to molecular stability, chemists can better predict the outcomes of chemical reactions and design new compounds with desired properties. As we delve deeper into the world of molecular interactions, the significance of resonance energy will continue to illuminate the intricate dance of electrons that underpins the science of chemistry.

在物理和化学的领域中，共振能量的概念在理解分子的稳定性和反应性方面起着至关重要的作用。共振能量指的是由于电子在多个结构（称为共振形式）之间的去局域化而导致的分子稳定化所关联的能量。这种现象在有机化合物的研究中尤为重要，因为双键和孤对的存在可能导致多个有效的路易斯结构。为了说明这一概念，让我们考虑苯，这是有机化学中共振的经典例子。苯可以用两种主要的共振结构表示，这些结构描绘了碳原子之间交替的单键和双键。然而，现实情况是，苯的实际结构是这些形式的混合体，导致了相等的键长和强度。苯的共振能量是实际结构与最稳定共振结构之间的能量差，表明真实结构比任何单独的共振形式更稳定。这种稳定性是π电子去局域化的直接结果，降低了分子的整体能量。理解共振能量对于预测分子在化学反应中的行为至关重要。具有高共振能量的分子通常比没有这种稳定化的分子更稳定，反应性也较低。例如，像酚这样的化合物表现出显著的共振稳定性，使它们比非芳香族对应物反应性更低。相反，缺乏共振稳定性的分子往往更具反应性，因为它们更可能经历化学变化以实现更稳定的构型。此外，共振能量的概念不仅限于简单的有机化合物。在配位化学中，金属配合物常常由于配体能够向金属中心捐赠电子密度而表现出共振稳定性。这种去局域化不仅影响配合物的稳定性，还影响其反应性和与其他物质的相互作用。总之，共振能量是化学和物理学中的一个基本概念，为各种分子的稳定性和反应性提供了见解。通过理解共振能量如何促进分子稳定性，化学家可以更好地预测化学反应的结果，并设计具有所需特性的新的化合物。当我们深入探讨分子相互作用的世界时，共振能量的重要性将继续照亮支撑化学科学的电子复杂舞蹈。