Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Valence Bond Theory02:45

Valence Bond Theory

32.3K
Overview of Valence Bond Theory
32.3K
Chemical Bonds02:40

Chemical Bonds

16.6K

Atoms participate in a chemical bond formation to acquire a completed valence-shell electron configuration similar to that of the noble gas nearest to it in atomic number. Ionic, covalent, and metallic bonds are some of the important types of chemical bonds. Bond energy and bond length determine the strength of a chemical bond.
Types of Chemical Bonds
An ionic bond is formed due to electrostatic attraction between cations and anions. Often, the ions are formed by the transfer of electrons...
16.6K
MO Theory and Covalent Bonding02:40

MO Theory and Covalent Bonding

10.5K
The molecular orbital theory describes the distribution of electrons in molecules in a manner similar to the distribution of electrons in atomic orbitals. The region of space in which a valence electron in a molecule is likely to be found is called a molecular orbital. Mathematically, the linear combination of atomic orbitals (LCAO) generates molecular orbitals. Combinations of in-phase atomic orbital wave functions result in regions with a high probability of electron density, while...
10.5K
Valence Bond Theory and Hybridized Orbitals02:38

Valence Bond Theory and Hybridized Orbitals

19.4K
According to valence bond theory, a covalent bond results when: (1) an orbital on one atom overlaps an orbital on a second atom, and (2) the single electrons in each orbital combine to form an electron pair. The strength of a covalent bond depends on the extent of overlap of the orbitals involved. Maximum overlap is possible when the orbitals overlap on a direct line between the two nuclei.
A σ bond (single bond in a Lewis structure) is a covalent bond in which the electron density is...
19.4K
Molecular Orbital Theory I02:35

Molecular Orbital Theory I

32.1K
Overview of Molecular Orbital Theory
32.1K
Molecular Orbital Theory II03:51

Molecular Orbital Theory II

19.2K
Molecular Orbital Energy Diagrams
19.2K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Playing Catch with Electrons: A Dynamic Metaphor for Chemical Bonding with an Extension of the Tunneling Model to Gas-Phase Molecules.

ACS omega·2024
Same author

New Perspective on Hydrogen Bonding.

ACS omega·2023
Same author

Bonding and Tunneling.

ACS omega·2023
查看所有相关文章

相关实验视频

Updated: Jul 4, 2025

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
11:33

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

9.6K

有或没有道化的化学结合.

John F Wager1

  • 1School of EECS, Oregon State University, Corvallis, Oregon 97331-5501, United States.

ACS omega
|February 5, 2024
PubMed
概括

量子力学电子道介导四种化学键类型,包括共价键和离子键,储存大量的凝聚能. 其他债券,如金属和范德瓦尔斯债券,不涉及道挖掘,并且具有较低的凝聚能.

科学领域:

  • 固态物理 固态物理
  • 量子化学是一种量子化学.
  • 材料科学是一种材料科学.

背景情况:

  • 化学键是材料性质的基础.
  • 量子力学电子道在化学结合中的作用尚未完全理解.
  • 区分道介导键与非道介导键对于预测材料行为至关重要.

研究的目的:

  • 为了确定哪些化学键类型是由量子力学电子道介导的.
  • 研究道挖掘,库伦比储能和凝聚性能源之间的关系.
  • 分析 (W) 中的特定结合机制.

主要方法:

  • 采用了固态道分析.
  • 对不同类型债券的凝聚力能量进行比较.
  • 库伦比储能动态的分析 (动态,静态,准静态).

主要成果:

  • 四种键类型涉及道化:共价,离子,极性共价和过渡金属键.
  • 有两种类型的键不涉及道:自由电子金属和范德瓦尔斯键.
  • 道中介债券由于道诱导的库伦比克能量储存而表现出更大的凝聚力能量.
  • (W) 结合涉及一种独特的两电子d-d道化过程.

更多相关视频

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.6K
From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
06:44

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

Published on: March 24, 2018

69.1K

相关实验视频

Last Updated: Jul 4, 2025

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
11:33

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

9.6K
Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.6K
From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
06:44

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

Published on: March 24, 2018

69.1K
  • 键也通过道化介导,但具有可变的凝聚能.

    • 结论:

    • 量子力学电子道化在各种直接化学键中起着重要作用.
    • 道的存在或不存在直接影响着凝聚力的能量和材料的稳定性.
    • 特定的结合机制,如中的结合机制,可以通过道分析来阐明.