coordinate bond

简明释义

配价键

英英释义

例句

1.The strength of a coordinate bond 配位键 can significantly affect the stability of the complex.

一个配位键的强度可以显著影响复合物的稳定性。

2.In coordination chemistry, a coordinate bond 配位键 is formed between a metal ion and a ligand.

在配位化学中，金属离子与配体之间形成了一个配位键。

3.In biological systems, hemoglobin utilizes coordinate bonds 配位键 to bind oxygen.

在生物系统中，血红蛋白利用配位键结合氧气。

4.Many transition metals form coordinate bonds 配位键 with various ligands in solution.

许多过渡金属在溶液中与各种配体形成配位键。

5.The formation of a coordinate bond 配位键 involves the donation of an electron pair from a ligand.

形成一个配位键涉及配体提供一对电子。

作文

In the realm of chemistry, understanding the various types of bonds that hold atoms together is crucial for grasping the complexities of molecular structures. One such bond is the coordinate bond, also known as a dative bond. This type of bond forms when one atom donates a pair of electrons to another atom that has an empty orbital. Unlike a covalent bond, where each atom contributes one electron, the coordinate bond involves a donor and an acceptor. The significance of this bonding type is particularly evident in coordination compounds, where transition metals often form complex ions with ligands. For instance, in the case of ammonia (NH₃) acting as a ligand for a metal ion, the nitrogen atom donates its lone pair of electrons to the metal, resulting in a coordinate bond. This interaction not only stabilizes the metal but also influences the properties of the entire compound. The formation of a coordinate bond is essential in various biological processes as well. Hemoglobin, the protein responsible for transporting oxygen in our blood, contains iron, which forms coordinate bonds with oxygen molecules. This bond is critical for the efficient delivery of oxygen to tissues throughout the body. Without the presence of these coordinate bonds, our ability to breathe and sustain life would be severely compromised. Moreover, the concept of coordinate bonds extends beyond simple molecular interactions. In inorganic chemistry, many catalysts rely on the formation of coordinate bonds to facilitate chemical reactions. Transition metals, with their ability to form multiple oxidation states, are particularly adept at creating complex structures through coordinate bonding. These complexes often exhibit unique properties, making them invaluable in industrial applications. In summary, the coordinate bond plays a vital role in both organic and inorganic chemistry. It is a unique type of bond that facilitates the formation of complex structures, enhances the stability of molecules, and is integral to numerous biological functions. By recognizing the importance of coordinate bonds, students and enthusiasts of chemistry can deepen their understanding of how atoms interact and combine to form the diverse array of substances that make up our world. As we continue to explore the intricacies of molecular chemistry, the coordinate bond will undoubtedly remain a key focus of study, revealing the underlying principles that govern chemical behavior and reactivity.

在化学领域，理解将原子结合在一起的各种类型的键对于掌握分子结构的复杂性至关重要。其中一种键是配位键，也称为共价键。这种类型的键形成于一个原子向另一个具有空轨道的原子捐赠一对电子。与每个原子贡献一个电子的共价键不同，配位键涉及一个供体和一个接受者。这种键合类型的重要性在配位化合物中尤为明显，其中过渡金属通常与配体形成复杂离子。例如，在氨气（NH₃）作为金属离子的配体的情况下，氮原子将其孤对电子捐赠给金属，从而形成配位键。这种相互作用不仅稳定了金属，而且还影响了整个化合物的性质。配位键的形成在各种生物过程中也是必不可少的。血红蛋白是负责在我们血液中运输氧气的蛋白质，含有铁，与氧气分子形成配位键。这种键对于有效地将氧气输送到全身组织至关重要。如果没有这些配位键的存在，我们的呼吸能力和维持生命的能力将受到严重损害。此外，配位键的概念超出了简单的分子相互作用。在无机化学中，许多催化剂依赖于配位键的形成来促进化学反应。过渡金属由于其形成多种氧化态的能力，特别擅长通过配位键创建复杂结构。这些络合物通常表现出独特的性质，使它们在工业应用中不可或缺。总之，配位键在有机和无机化学中都发挥着至关重要的作用。这是一种独特的键，促进了复杂结构的形成，增强了分子的稳定性，并对众多生物功能至关重要。通过认识配位键的重要性，化学的学生和爱好者可以加深对原子如何相互作用和结合以形成构成我们世界的各种物质的理解。随着我们继续探索分子化学的复杂性，配位键无疑将继续成为研究的重点，揭示支配化学行为和反应性的基本原则。