二化合物复合物N2L2 (L=N2,CO,CS,NO+,CN-) 是一种复合物
Yahui Li1, Chengxiang Ding1, Lianbin Xie1
1Institute of Atomic and Molecular Physics, Jilin University Changchun 130023 China sudip@jlu.edu.cn.
本研究使用量子化学计算研究N2L2化合物的稳定性和结合性. N2 (((CS) 2引物表现出轻微的稳定性,而其他引物则不稳定,分析了解离路径.
科学领域:
- 计算化学计算化学
- 量子化学 是一个量子化学.
- 理论无机化学 理论无机化学
背景情况:
- 使用ab initio和密度函数理论研究同电子化合物N2L2 (L = N2,CO,CS,NO+,CN-).
- 分析平衡结构和振动光谱以了解分子性质.
研究的目的:
- 为了确定N2L2化合物的热力学稳定性和解离路径.
- 阐明这些复杂物所涉及的结合情况和电子状态.
- 为了确定用于实验性表征的光谱特征.
主要方法:
- 量子化学计算,包括ab initio方法和密度函数理论 (DFT).
- 对平衡结构,振动光谱和热力学稳定性的分析 (ΔG298).
- 用化学价值的自然轨道进行能量分解分析 (EDA-NOCV),以描述结合.
主要成果:
- N2L2化合物表现出L2连接体的跨周平排列.
- 大多数复合物在热力学上是不稳定的,除了N2 (((CS) 2外,它稍微稳定 (ΔG298 = 4 kcal mol-1).
- 异质解离 (N2L2 → N2 + 2L) 在能量上比同质解离更受青.
- 振动光谱显示了连接体拉伸频率的特征性变化,有助于识别.
- 结合分析揭示了从L到N2的电荷捐赠,根据连接体的变化.
结论:
- 该研究提供了对N2L2化合物的稳定性和结合的详细理论理解.
- 捐赠者-接受者模型 (N2→(N2)←N2) 有效地解释了解离机制.
- 计算的振动频率为这些新型化合物的实验验证提供了一条路线.
更多相关视频
08:40Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
Published on: December 6, 2021
10:51The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
Published on: April 10, 2015
相关概念视频
Coordination Compounds and Nomenclature
Metal-Ligand Bonds
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
Coordination Number and Geometry
Ladder Diagrams: Complexation Equilibria
The formation constant, K1, for the formation of Cd(NH3)2+ complex from cadmium and ammonia is 3.55 × 102. Log K1 (i.e. pNH3) is 2.55, and...
1° Amines to Diazonium or Aryldiazonium Salts: Diazotization with NaNO2 Overview
The nitrous acid is unstable. Hence, it is formed in situ from a solution of sodium nitrite and cold aqueous acids such as hydrochloric or sulfuric acid. In an acidic solution, the –OH group of nitrous acid undergoes protonation to give oxonium ion, followed by...
Lewis Structures of Molecular Compounds and Polyatomic Ions
