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Crystalline Molecular Complexes And Compounds: A Comprehensive Guide to Their Structure, Properties, and Applications

Marvin Hayes

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Published in Crystalline Molecular Complexes And Compounds: Structures And Principles (International Union Of Crystallography Monographs On Crystallography 18)

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Crystalline molecular complexes and compounds are fascinating materials with a wide range of applications. They are composed of two or more molecules that are held together by non-covalent interactions, such as hydrogen bonds, van der Waals forces, and π-π interactions. These interactions can lead to a variety of different structures, including layered, chain-like, and three-dimensional networks.

The properties of crystalline molecular complexes and compounds are determined by the nature of the interactions between the molecules. For example, hydrogen bonds can lead to strong and directional interactions, while van der Waals forces are weaker and more isotropic. The structure of the complex also plays a role in determining its properties. For example, layered complexes are typically more flexible and have lower melting points than three-dimensional networks.

Crystalline Molecular Complexes and Compounds: Structures and Principles (International Union of Crystallography Monographs on Crystallography Book 18)

by Frank H. Herbstein

4.8 out of 5

Language	:	English
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Crystalline molecular complexes and compounds have a wide range of applications. They are used in the development of new materials, such as organic semiconductors and superconductors. They are also used in the pharmaceutical industry, as they can be used to deliver drugs to specific parts of the body. In addition, crystalline molecular complexes and compounds are used in a variety of other applications, such as sensors, catalysis, and energy storage.

Structure of Crystalline Molecular Complexes and Compounds

The structure of crystalline molecular complexes and compounds is determined by the nature of the interactions between the molecules. These interactions can be classified into two types: strong interactions and weak interactions.

Strong interactions include hydrogen bonds, ionic bonds, and covalent bonds. Hydrogen bonds are formed between a hydrogen atom and an electronegative atom, such as oxygen or nitrogen. Ionic bonds are formed between a positively charged atom and a negatively charged atom. Covalent bonds are formed between two atoms that share electrons.

Weak interactions include van der Waals forces and π-π interactions. Van der Waals forces are caused by the attraction between the nuclei of two atoms. π-π interactions are caused by the attraction between the π electrons of two atoms.

The strength of the interactions between the molecules determines the structure of the complex. Strong interactions lead to the formation of well-defined structures, such as crystals. Weak interactions lead to the formation of more disFree Downloaded structures, such as glasses.

Properties of Crystalline Molecular Complexes and Compounds

The properties of crystalline molecular complexes and compounds are determined by the nature of the interactions between the molecules and the structure of the complex.

The following are some of the properties that are commonly associated with crystalline molecular complexes and compounds:

* High melting points: Crystalline molecular complexes and compounds typically have high melting points, as the strong interactions between the molecules prevent them from moving apart. * Low solubility: Crystalline molecular complexes and compounds are typically insoluble in water and other solvents, as the strong interactions between the molecules prevent them from being solvated. * High thermal stability: Crystalline molecular complexes and compounds are typically thermally stable, as the strong interactions between the molecules prevent them from decomposing. * Electrical conductivity: Crystalline molecular complexes and compounds can be either conductors or insulators, depending on the nature of the interactions between the molecules and the structure of the complex. * Magnetic properties: Crystalline molecular complexes and compounds can be either paramagnetic or diamagnetic, depending on the nature of the interactions between the molecules and the structure of the complex.

Applications of Crystalline Molecular Complexes and Compounds

Crystalline molecular complexes and compounds have a wide range of applications, including:

* Materials science: Crystalline molecular complexes and compounds are used in the development of new materials, such as organic semiconductors, superconductors, and magnets. * Pharmaceuticals: Crystalline molecular complexes and compounds are used in the pharmaceutical industry, as they can be used to deliver drugs to specific parts of the body. * Sensors: Crystalline molecular complexes and compounds are used in the development of sensors, as they can be used to detect a variety of different chemicals and gases. * Catalysis: Crystalline molecular complexes and compounds are used in catalysis, as they can be used to speed up the rate of chemical reactions. * Energy storage: Crystalline molecular complexes and compounds are used in energy storage, as they can be used to store electrical energy and heat.

Crystalline molecular complexes and compounds are fascinating materials with a wide range of applications. This book provides a comprehensive guide to their structure, properties, and applications, making it an essential resource for chemists, materials scientists, and engineers.

Crystalline Molecular Complexes and Compounds: Structures and Principles (International Union of Crystallography Monographs on Crystallography Book 18)

by Frank H. Herbstein

4.8 out of 5