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Related Concept Videos

Hydrogen Bonds01:04

Hydrogen Bonds

16.1K
A hydrogen bond is formed when a weakly positive hydrogen atom already bonded to one electronegative atom (for example, the oxygen in the water molecule) is attracted to another electronegative atom from another polar molecule, such as water (H2O), hydrogen fluoride (HF), or ammonia (NH3). The huge electronegativity difference between the H atom (2.1) and the atom to which it is bonded (4.0 for an F atom, 3.5 for an O atom, or 3.0 for an N atom), combined with the very small size of an H atom...
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Hydrogen Bonds00:26

Hydrogen Bonds

136.3K
Hydrogen bonds are weak attractions between atoms that have formed other chemical bonds. One of these atoms is electronegative, like oxygen, and has a partial negative charge. The other is a hydrogen atom that has bonded with another electronegative atom and has a partial positive charge.
Hydrogen Bonds Control the World!
Because hydrogen has very weak electronegativity when it binds with a strongly electronegative atom, such as oxygen or nitrogen, electrons in the bond are unequally shared....
136.3K
Alkyl Halides02:45

Alkyl Halides

21.9K
Structural Properties
Alkyl halides are halogen-substituted alkanes wherein one or more hydrogen atoms of an alkane is replaced by a halogen atom such as fluorine, chlorine, bromine, or iodine. The carbon atom in an alkyl halide is bonded to the halogen atom, which is sp3-hybridized and exhibits a tetrahedral shape.
Unlike alkyl halides, compounds in which a halogen atom is bonded to an sp2 -hybridized carbon atom of a carbon-carbon double bond (C=C) are called vinyl halides. Whereas aryl...
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Valence Bond Theory02:45

Valence Bond Theory

51.4K
Overview of Valence Bond Theory
51.4K
Valence Bond Theory02:42

Valence Bond Theory

11.6K
Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
11.6K
Halogens03:01

Halogens

24.1K
Group 17 elements, known as halogens, are nonmetals. At room temperature, fluorine and chlorine are gases, bromine is a liquid, and iodine a solid. Astatine is a highly unstable radioactive element, so currently, most of its properties are unknown due to its short half-life. Tennessine is a synthetic element also predicted to be in this group. 
24.1K

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

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The Halogen Bond.

Gabriella Cavallo1, Pierangelo Metrangolo1,2, Roberto Milani2

  • 1Laboratory of Nanostructured Fluorinated Materials (NFMLab), Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano , Via L. Mancinelli 7, I-20131 Milano, Italy.

Chemical Reviews
|January 27, 2016
PubMed
Summary
This summary is machine-generated.

The halogen bond is an attractive interaction involving halogen atoms. This review explores its current research, future directions, and applications in materials science, biomolecular recognition, and drug design.

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Area of Science:

  • Chemistry
  • Molecular Interactions
  • Supramolecular Chemistry

Background:

  • The halogen bond is a non-covalent interaction.
  • It involves an electrophilic region on a halogen atom and a nucleophilic region on another molecule.
  • This interaction has a historical context and evolving research landscape.

Purpose of the Study:

  • To provide an overview of the current state of halogen bond research.
  • To discuss the future trends and potential of halogen bonding.
  • To highlight the advantages of using halogen bonds in various scientific fields.

Main Methods:

  • Literature review of halogen bond research.
  • Analysis of historical development and current trends.
  • Case studies demonstrating applications in different domains.

Main Results:

  • The halogen bond is a significant interaction with diverse applications.
  • Current research focuses on understanding and manipulating this bond.
  • Future research is expected to expand its utility in various scientific disciplines.

Conclusions:

  • The halogen bond is a versatile interaction with broad applicability.
  • Continued research will likely uncover new applications and deepen our understanding.
  • Its role in material sciences, biomolecular recognition, and drug design is substantial.