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Related Concept Videos

Ionic Bonds00:42

Ionic Bonds

118.7K
Overview
When atoms gain or lose electrons to achieve a more stable electron configuration they form ions. Ionic bonds are electrostatic attractions between ions with opposite charges. Ionic compounds are rigid and brittle when solid and may dissociate into their constituent ions in water. Covalent compounds, by contrast, remain intact unless a chemical reaction breaks them.
Opposing Charges Hold Ions Together in Ionic Compounds
Ionic bonds are reversible electrostatic interactions between ions...
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Bond Polarity, Dipole Moment, and Percent Ionic Character02:48

Bond Polarity, Dipole Moment, and Percent Ionic Character

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Bond Polarity
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Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

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Ions are atoms or molecules bearing an electrical charge. A cation (a positive ion) forms when a neutral atom loses one or more electrons from its valence shell, and an anion (a negative ion) forms when a neutral atom gains one or more electrons in its valence shell. Compounds composed of ions are called ionic compounds (or salts), and their constituent ions are held together by ionic bonds: electrostatic forces of attraction between oppositely charged cations and anions. 
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Chemical Bonds02:40

Chemical Bonds

16.8K

Atoms participate in a chemical bond formation to acquire a completed valence-shell electron configuration similar to that of the noble gas nearest to it in atomic number. Ionic, covalent, and metallic bonds are some of the important types of chemical bonds. Bond energy and bond length determine the strength of a chemical bond.
Types of Chemical Bonds
An ionic bond is formed due to electrostatic attraction between cations and anions. Often, the ions are formed by the transfer of electrons...
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Molecular Shape and Polarity03:37

Molecular Shape and Polarity

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Dipole Moment of a Molecule
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Types of Chemical Bonds02:37

Types of Chemical Bonds

76.3K
Chemical bonding theories were pioneered by American chemist Gilbert N. Lewis. He developed a model called the Lewis model to explain the type and formation of different bonds. Chemical bonding is central to chemistry; it explains how atoms or ions bond together to form molecules. It explains why some bonds are strong and others are weak, or why one carbon bonds with two oxygens and not three; why water is H2O and not H4O. 
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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

Published on: March 24, 2018

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Directional Ionic Bonds.

Illia Hutskalov1, Anthony Linden1, Ilija Čorić1

  • 1Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland.

Journal of the American Chemical Society
|April 7, 2023
PubMed
Summary
This summary is machine-generated.

Ionic bonds, typically non-directional, can be engineered for spatial structuring. This study introduces directional ionic bonds using shielded ions, offering an alternative to noncovalent interactions for molecular design.

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Area of Science:

  • Chemistry
  • Materials Science
  • Supramolecular Chemistry

Background:

  • Covalent and ionic bonds are fundamental atomic interactions.
  • Traditional ionic bonds lack directionality, limiting their use in spatial structuring.
  • Noncovalent interactions like hydrogen bonds are crucial for molecular organization.

Purpose of the Study:

  • To introduce a method for creating directional ionic bonds.
  • To explore the potential of these directional ionic bonds as alternatives to noncovalent interactions.
  • To enable the spatial structuring of organic molecules and materials using ionic interactions.

Main Methods:

  • Designing ionic bonds with concave nonpolar shields around charged sites.
  • Investigating the predictable directional orientation resulting from this shielding.
  • Evaluating their applicability in structuring organic molecules and materials.

Main Results:

  • Demonstrated a predictable directional orientation of ionic bonds.
  • Showcased how nonpolar shields impart directionality to ionic interactions.
  • Established directional ionic bonds as a viable alternative for molecular and material structuring.

Conclusions:

  • Directional ionic bonds can be achieved through shielding charged sites.
  • These engineered ionic bonds offer a novel approach for spatial organization.
  • This provides a new tool for designing organic molecules and advanced materials.