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Covalent Organic Frameworks : Chemistry, Materials and Applications
A comprehensive introduction to a groundbreaking polymer class Covalent Organic Frameworks (COFs) are materials that form two- or three-dimensional porous crystalline structures held together by strong covalent bonds.First described only in 2005, COFs have subsequently exploded as a field of study, with recent progress enormously enhancing scientific and industrial capacity for designing these organic materials by means of one-pot direct polymerization.The flexibility and predictability of these structures is part of what has given them applications in semiconductor construction, catalysis, energy storage, and more.Covalent Organic Frameworks: Chemistry, Materials, and Applications (2V set) provides a unique, comprehensive introduction to COFs and their chemistry, materials, and applications.It outlines the fundamentals of COF design, synthesis, and applications, offering a broad overview of both the origins of this thriving field and its many more recent developments.It equips readers with the tools to tailor COF design and production to a limitless range of potential scientific and industrial needs.Covalent Organic Frameworks readers will also find: Detailed treatment of design, synthesis, and computational approaches for a variety of specific COFsUnique comprehensive approach covers all possible reader needs in two accessible volumesDiscussion of connections between COF polymer chemistry and other fields including organic chemistry, computational chemistry, photochemistry, and more Covalent Organic Frameworks is a useful reference for organic chemists, materials scientists, polymer chemists, structural chemists, and more.
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Non-covalent Interactions in Coordination and Organometallic Chemistry
Non-covalent interactions in coordination and organometallic compounds (hydrogen, halogen, chalcogen, pnictogen, tetrel, and semi-coordination bonds; agosic and anagosic interactions; stacking, anion-/cation-Ï€ interactions; metallophilic interactions, etc.) are topical in modern chemistry, materials science, crystal engineering, and related fields of knowledge. Both experimental and theoretical methods are widely used for investigations of the nature and various properties of such weak contacts in gas, liquid, and solid states. Non-covalent interactions could be the driving force to design smart materials with valuable redox, electronic, mechanical, magnetic, and optical properties, which is promising for the manufacture of LEDs, photovoltaic cells of solar power plants, porous structures, sensors, battery cells, and liquid crystals.This Special Issue highlights and presents an overview of modern trends in non-covalent interactions in coordination and organometallic compounds, and bringing various different types to the attention of the scientific community.
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What is covalent development?
Covalent development is a term used in the context of software development to describe a collaborative approach to building and maintaining software. It involves multiple developers working together on the same codebase, using version control systems to manage changes and updates. Covalent development emphasizes communication, teamwork, and shared responsibility for the code, leading to a more efficient and cohesive development process. This approach allows for greater flexibility and adaptability in responding to changes and challenges in the development process.
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What are covalent bonds?
Covalent bonds are a type of chemical bond formed between two atoms when they share one or more pairs of electrons. This sharing of electrons allows both atoms to achieve a more stable electron configuration, typically by filling their outermost energy levels. Covalent bonds are typically found in molecules and are responsible for holding the atoms together to form the structure of the molecule. These bonds can be either polar, where the shared electrons are not equally distributed between the atoms, or nonpolar, where the shared electrons are equally distributed.
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What is a covalent bond?
A covalent bond is a type of chemical bond that involves the sharing of electron pairs between atoms. This sharing of electrons allows each atom to achieve a more stable electron configuration, typically by filling their outermost energy level. Covalent bonds are typically found in molecules and are stronger than other types of chemical bonds, such as ionic bonds. The number of shared electrons can vary, leading to different types of covalent bonds, such as single, double, or triple bonds.
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Can you explain the covalent bond?
A covalent bond is a type of chemical bond that involves the sharing of electron pairs between atoms. This sharing of electrons allows each atom to achieve a full outer electron shell, making the atoms more stable. Covalent bonds are typically formed between nonmetal atoms, and the strength of the bond is determined by the number of shared electrons and the distance between the nuclei of the atoms. Covalent bonds can be either polar or nonpolar, depending on the electronegativity difference between the atoms involved.
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What does "covalent" mean in chemistry?
In chemistry, "covalent" refers to a type of chemical bond that involves the sharing of electron pairs between atoms. This type of bond is formed between nonmetal atoms and is characterized by the atoms sharing electrons in order to achieve a stable electron configuration. Covalent bonds are typically strong and result in the formation of molecules.
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Is covalent bonding a difficult topic?
Covalent bonding can be a challenging topic for some students due to its abstract nature and the need to understand concepts such as electron sharing and molecular geometry. However, with proper explanation and practice, students can grasp the fundamentals of covalent bonding. It is important to break down the concepts into simpler parts and provide real-world examples to help students understand the concept better. With patience and practice, students can overcome the difficulties associated with covalent bonding.
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What is a non-covalent bond?
A non-covalent bond is a type of chemical bond that does not involve the sharing of electrons between atoms. Instead, non-covalent bonds are formed through electrostatic interactions, such as hydrogen bonding, van der Waals forces, and ion-dipole interactions. These bonds are generally weaker than covalent bonds and can be easily broken under certain conditions.
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What is a nonpolar covalent bond?
A nonpolar covalent bond is a type of chemical bond where two atoms share electrons equally. This occurs when the difference in electronegativity between the two atoms is very small or nonexistent. As a result, there is no separation of charge within the bond, making it nonpolar. Nonpolar covalent bonds are typically found between atoms of the same element or between atoms with similar electronegativities.
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