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Related Concept Videos

Ionic Crystal Structures02:42

Ionic Crystal Structures

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Ionic crystals consist of two or more different kinds of ions that usually have different sizes. The packing of these ions into a crystal structure is more complex than the packing of metal atoms that are the same size.
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...
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Ionic Bonding and Electron Transfer02:48

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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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Ion Exchange01:17

Ion Exchange

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Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
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Ionic Compounds: Formulas and Nomenclature03:34

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An element composed of atoms that readily lose electrons (a metal) can react with an element composed of atoms that readily gain electrons (a nonmetal) to produce ions through complete electron transfer. The compound formed by this transfer is stabilized by the electrostatic attractions (ionic bonds) between the oppositely charged ions.
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Valence Bond Theory02:42

Valence Bond Theory

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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...
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Ions and Ionic Charges03:27

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In ordinary chemical reactions, the nucleus — which contains the protons and neutrons of each atom and thus identifies the element — remains unchanged. Electrons, however, can be added to atoms by transfer from other atoms, lost by transfer to other atoms, or shared with other atoms. The transfer and sharing of electrons among atoms govern the chemistry of the elements. During the formation of some compounds, atoms gain or lose electrons to form electrically charged particles called...
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Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing
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Ion-based materials comprising planar charged species.

Bin Dong1, Hiromitsu Maeda

  • 1College of Pharmaceutical Sciences, Ritsumeikan University, Kusatsu 525-8577, Japan.

Chemical Communications (Cambridge, England)
|September 18, 2012
PubMed
Summary
This summary is machine-generated.

Researchers explore ion-based materials with planar units, creating nanoscale architectures. Dipyrrolyldiketone boron complexes offer a route to planar anions, enabling advanced materials with potential electrical conductivity.

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Area of Science:

  • Materials Science
  • Supramolecular Chemistry

Background:

  • Planar units can self-assemble into nanoscale architectures with unique properties.
  • Ion-based materials utilize charged species to form solid and soft structures.

Purpose of the Study:

  • To describe recent examples of ion-based materials featuring charged planar species.
  • To highlight strategies for preparing challenging planar anions.

Main Methods:

  • Utilizing noncovalent association between planar anion receptors and anions.
  • Employing dipyrrolyldiketone boron complexes for anion preparation.
  • Combining planar charged species with countercations to form advanced materials.

Main Results:

  • Demonstrated efficient preparation of planar anions using receptor-anion complexation.
  • Showcased dipyrrolyldiketone boron complexes as suitable candidates for planar anion synthesis.
  • Fabricated advanced materials from these ion-based components.

Conclusions:

  • Ion-based materials from planar charged components offer pathways to novel nanoscale architectures.
  • The strategy of receptor-anion complexation is effective for creating planar anions.
  • These materials hold promise for applications in electrically conductive systems due to ordered structures.