coordination compound

简明释义

配位化合物

英英释义

例句

1.In inorganic chemistry, a coordination compound is formed when metal ions bond with molecules or ions known as ligands.

在无机化学中，配位化合物是金属离子与称为配体的分子或离子结合形成的。

2.The study of coordination compounds can help us understand complex biological systems.

对配位化合物的研究可以帮助我们理解复杂的生物系统。

3.A well-known example of a coordination compound is hemoglobin, which contains iron and binds oxygen.

一个著名的配位化合物例子是血红蛋白，它含有铁并与氧结合。

4.Chemists use coordination compounds in various applications, including catalysis and drug design.

化学家在各种应用中使用配位化合物，包括催化和药物设计。

5.The color of a coordination compound often depends on the nature of the metal and the ligands attached to it.

配位化合物的颜色通常取决于金属的性质和附着的配体。

作文

Coordination compounds, also known as coordination complexes, are fascinating chemical entities that consist of a central metal atom or ion bonded to surrounding molecules or ions, termed ligands. These compounds play a crucial role in various fields, including chemistry, biology, and materials science. The study of coordination compounds (配位化合物) has led to significant advancements in our understanding of chemical bonding, catalysis, and even the development of new materials. The central metal in a coordination compound (配位化合物) can be a transition metal, such as iron, copper, or nickel, which typically has the ability to form multiple bonds with ligands due to its unique electronic structure. Ligands can be simple ions, like chloride (Cl⁻), or complex molecules, such as ethylenediamine, which can donate electron pairs to the metal center. This interaction between the metal and the ligands creates a stable structure that is often responsible for the characteristic properties of the coordination compound (配位化合物). One of the remarkable features of coordination compounds (配位化合物) is their ability to exhibit different geometrical arrangements. Depending on the number of ligands and their spatial arrangement around the central metal, these compounds can adopt various shapes, such as octahedral, tetrahedral, or square planar configurations. For instance, the complex [Fe(CN)₆]⁴⁻ has an octahedral geometry, while [CuCl₄]²⁻ adopts a tetrahedral shape. This diversity in geometry not only influences the stability of the coordination compound (配位化合物) but also affects its reactivity and color, making them intriguing subjects for study. In biological systems, coordination compounds (配位化合物) are essential for life. Hemoglobin, the protein responsible for oxygen transport in blood, is a classic example of a biological coordination compound (配位化合物). It contains iron at its core, which binds to oxygen molecules, allowing for efficient oxygen delivery throughout the body. Additionally, many enzymes rely on metal ions coordinated to specific ligands to catalyze biochemical reactions, highlighting the importance of coordination compounds (配位化合物) in sustaining life processes. In materials science, coordination compounds (配位化合物) have been utilized in the development of new materials with tailored properties. For example, metal-organic frameworks (MOFs) are a class of materials composed of metal ions coordinated to organic ligands, forming porous structures that can be used for gas storage, separation, and catalysis. The tunable nature of coordination compounds (配位化合物) allows researchers to design materials with specific functionalities, paving the way for innovations in energy storage and environmental remediation. In conclusion, coordination compounds (配位化合物) are integral to various scientific disciplines and have far-reaching implications in both natural processes and technological advancements. Their unique structural characteristics and diverse applications make them a captivating area of study in chemistry. Understanding the principles governing coordination compounds (配位化合物) not only enhances our knowledge of chemical interactions but also opens up new avenues for research and development in numerous fields.